Global Engine Review (1963 Annual Edition American Modeler) — Airplanes…

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Benelli Tornado Limited Edition (Italian version)

Annual 1963 American

Aircraft modeling has undergone changes over the decades both in technology and preferences. like American Aircraft and American Modeler before were the best venues for snapshots of the status quo of the day. many things never so much of the old content is relevant to modeler.

Whether you are here to wax or are just interested in learning hopefully you will find you are seeking. As time permits, I be glad to scan articles for All copyrights (if any) are hereby

Vintage engine collectors and will love this from the 1963 Annual of American Modeler. It is chock of information, line drawings, and of what was probably fairly coverage of all the engines being at the time. The list is not restricted to the it also includes engines Italy, France, the USSR, Germany, and others.

Extensive are provided detailing specifications for glow fuel and diesel Be sure to click on the images to see versions. Enjoy.

Global Review

Never before has been so comprehensive a round-up of he air-model powerplants as offered If you find this compendium of help, the editors would hearing from you and your club.

This roundup is to list every model engine currently available in the today — at least, in respective countries — and to on those of particular interest. are more than 270 types. every basic design is and, in some cases, versions.

Sometimes, a manufacturer may as many as six variations of a standard but with only very differВ­ences. The German Jena .15 diesel, for example, is not only in disc-valve and reed-valve versions, type is available with or small diameter cylinder Since these latter do not affect the general specifications of the only the basic designs are to avoid excessive duplication of

The hobby-model market develops and so rapidly the question naturally how up to date is our listing? First we say a word about how most manufacturers work. Some engines continuously (particularly .049’s), but generally engines are in batches — i.e. a may run off ten thousand .35’s and then his attention to .15’s and .19’s for a

Later he goes back to his .35 or to other size. Particularly special types, like .29’s and .60’s, a manufacturer not return them to production for a or more. depending on how he makes use of his facilities and/or the demand for

Therefore, many an engine not in production may be considered to be current that parts and finished are still warehoused or there is an that the manufacturer may resume Our list includes a few new motors were still not obtainable at time, but which the manufacturers say be on the market in early 1963. Not all are listed, since some were unable or unwilling to data on their new babies.

On the hand, some engines on sale are not carried in our list the makers advised us that no of that type are to be built.

engines which have put into series production are in this survey. This is simple enough to apply to of the major producing nations. It is difficult to define in the case of and Poland and the situation is decidedly in Russia. it is almost impossible to detailed information on model production from that

We have, therefore, included the types definitely known to been turned out in series in countries, although it should be that series production in instances can mean anything a few dozen to a few thousand. Large production of engines is confined to the States and, to a lesser to Britain, Japan, Germany and — roughly in that

Our tables show glow and engines arranged in order of for easy reference. Bore and data are those given by the or if not supplied, then obtained, possible, from measurement of motors. In the case of engines of than American or British these figures

U.S.A. America pioneered the production of gas engines in the thirties with spark-ignition motors as the Brown and Baby Cyclone running on From 1947-48 on the United developed the glowplug motor and set a for the rest of the world. The oldest in the model engine business is of the Herkimer (N.Y.) Tool Works Inc. who have making their O.K. for more than a quarter-century.

Plug Motors Specification

Diesel Motors Specification

Smallest of the O.K. Cub range is the .024 weighing but nine-tenths of an It is supplied with a 5 nylon which it will turn at 13,000-rpm. Similar in design is the Cub .049A.

Both these feature a rear reed-valve glow filament built in the and radial mounting via an integral tank. The .049B, on the other has front rotary-valve induction, tank and combined beam and mounting. This model is available, unassembled, for a dollar

Together with the .074 and models, the 049B is also in an S version equipped with pull-cord clutch type

The lightest engines in their are the Cub .14 and .19. Following basic Cub with screw-in radially cylinders are the .29 and .35 models, the largest engines to feature this of cylinder design. O.K. two diesels, the only American compression-ignition engines on the market, of and .075 cubic inch

Their variable compression differs from most diesels in having a flange on the which automatically prevents the adjustment from exceeding a value and makes the use of a nitrated fuel virtually essential. also feature a unique absorber member between the and compression screw.

Smallest combustion engine in regular anywhere is Leroy Cox’s .010, displacing just 1/100-cu-in, weighing a bare without its radial mount This wonderful little delivers its maximum power at 27 to 28 thousand rpm, the highest speed of any production of any size to It turns its standard 3 diameter at this speed; on reduced it will quite happily 32,000 rpm.

Also in the line are the .020. 049. 051 and .09 models. These shaft valve engines develop high performance in their displacement groups.

Cox’s .049 c.i.d. engines always been in the forefront of class competition, beginning the famous reed-valve Space-Bug and Hopper series of ten years the Tee-Dee .049 currently these Cox traditions. This and the (identical except for a 4 thousandths bore) will exceed .14 horsepower at around 21,000-rpm. The .09 addition is slightly smaller other .09’s to qualify for the 1.5cc group.

Still interesting is the fact that it exceeds the performance of the best engines of this size.

The Cox .15, an improved version of the .15 introduced in 1961, was used by modeler Fritz Schneeburger to win the F AI World Free-Flight Championship. The power output of the Tee-Dee 15 .45-bhp at 17 to 18,000-rpm on 30% nitro led many control line to try it for speed work. where the was run at rpms exceeding 22,000, and cylinder failure were reported.

Cox therefore replaced the .15 with his new Special .15 which has an heavy cylinder and wrist-pin piston. Due to their high these engines develop power for free-flight work and are to be numerous at the 1963 World F/F

For those who do not require top contest of performance, Cox offers simplified and expensive versions of these rotary models in the .049. 09 and .15 groups, known as the Medallion For the Sunday sport and fun flyer, are the well established reed-valve .020, Baby Bee and Golden Bee also the Sportsman 15. All these are found in the Cox ready-to-fly plastic along with the rear drum-valve RR-1 .049.

All Cox are produced by highly advanced processes; crankcases are machined solid stock instead of made from castings.

One of the prolific American manufacturers is Fox. Duke currently has 15 models on his production list. His famous engine is unquestionably the .35 which is known the world

During the past ten years it has powered more place-winners in C/L contests than all other together. In speed circles the Fox has been remarkably successful. A Fox beginning with the original disc valve Fox .59 of 1947, has his Desaxe cylinder — the cylinder axis is offset to the crankshaft axis.

This is still found in the larger Fox

Apart from the Stunt a new Fox series began with the of the original black head Fox .35 which was based on a new crankcase From this, stemmed the .35, the Combat Special with lengthened …, the c.i.d. Rat-Racing .40.

Fox trend in engines of this is towards needle-bearings or ball-bearings in of the normal bushing. The very needle-bearing Combat Special .9-bhp on test) was the first of followed by the remarkably low-priced to replace the Rocket .35). Due in the shops is a new .40 with the crank supported via a rear ballВ· and a front needle-bearing.

Among the Fox models, the inexpensive .049 shortly be announced in a selected version having a massive dia. main journal stock engine is 1/4). low-priced .15X is another available in a special high-performance (.15XX). There is also a reworked full-race version from the factory) which to be a leading contender in .15 size circles. This versatile is made in an R/C version, as are the .10 and .40.

there is the revived and revised .59 R/C for big radio craft which an aluminum piston with two

Torpedo, the name of a .29 engine by Bill Atwood in 1939, was and further developed after War II by Kading Brodbeck Manufacturing Today, Johnny Brodbeck’s KB Corp. is a subsidiary of the big Aurora Corp. In a fine new factory at California, KB turns out 14 types of in nine displacements from to 045.

The only engine doesn’t carry the Torpedo is the .049 Tornado; this was commissioned by Aurora for their into the plastic ready-to-fly field. It had to start as easily as starter-equipped model engines, but a starter. and it does, aided by a non-metallic diaphragm type valve.

Most widely multi R/C engine during the three years has been Torpedo .45 R/C. One of these won the R/C Championship in 1960 for Ed Kazmirski and in ’62 for Tom Brett. Its throttling remain among the best.

In Bill Wisniewski set some FAI and Class A speeds with a of an entirely new KB, the Series 61 Torpedo with twin ball-bearing and disc valve intake. to the public early in 1961, the developing close to 1/2-hp at rpm on 50 percent nitro, was followed by a .35 — similar in design for shaft induction — and by a All these Wisniewski-designed KB engines are made and feature hard-chromed and a special type of crankshaft

The regular plain bearing, valve Torpedo engines the .19 (onetime holder of many records when it proved than some .29’s), a oversize (.201) version of the engine for the benefit of contestants who to fly in A and B categories with the same a barrel-throttle equipped R/C version, a .29 and .35, plus Combat and R/C of the latter and a standard version of the .45 became a very successful C/L motor. Both versions of the .45 are in that they are fitted a backplate mounted counterbalancing driven by the crankpin.

The Duromatic division of the Testor Corporation, of McCoy engines, are currently four models. A new model is for 1963. The most famous of all, of course, is the Red-Head The current model actually back nearly 15 years.

minor modifications have carried out during that Since the .60 is still the most successful Class C racing in use anywhere in the world this is a tribute to the soundness of Dick original design. It follows the racing engine pattern of valve induction, twin shaft, ringed aluminum and puts out around 1.5-bhp stock!

Of more orthodox with shaft intake and bushed bearings are the .19. 29 and .35 models. During 1962, made 100,000 .19’s sold at $4.95 as part of a to encourage participation in the Air Youth Championships.

When a secondhand R/C engine changes hands for it must be good. Prices up to level (double the original have been paid for Lee’s handmade .45’s, as by Doug Spreng to win the 1960 and Nationals multi event. Veco Products secured services to design a 45 for them, we not surprised to have another Nats R/C winner.

In fact, it the C/L stunt event as well. also made .49’s but the .45 since it provided a more balance of power and fuel for those currently favored Having seen some of the engines run out of gas at the recent World R/C we think he had a good point!

At the end of the Veco range, the .19 and .19 R/C are pleasant well performing motors. .29 and .35 sizes include a .29R for Racing and Proto Speed and .35 and R/C engines.

The current Johnson manufactured by Dynamic Models is by the biggest crankshaft journal yet on a engine. 5/8 diameter. This exceptionally generous gas passages contributes much to their power output. The Combat .36 is especially popular on this Two ball-bearing versions of the engine an R/C version.

This latter is with Johnson’s special carburetor fitted with a compensating needle-valve to meter in accordance with your opening.

Dynamic also Holland Hornet engines by former National Champion, Bob Hornets, which have up an enviable record in Half-A over the years, are also in an .051 size for Class A and as a needle-valve 2-speeder. Another product is the Gilbert engine, in two sizes for A. C. Gilbert American ready-to-fly models.

These motors use the seldom seen (or sideport) layout in which gas is admitted to the crankcase though a in the lower part of the cylinder of through a rotary-valve or reed-valve.

One of the manufacturers, Wen-Mac, makes but one type. Wen-Mac turn out as as 4,500 Half-A size engines per day, most go their plastic ready-mades. from a design by Bill the Wen-Mac .049 is available in two the Hustler and the Rotomatic, with self-engaging recoil starter.

Precision Engineering Co. who, making motors under own name, manufactured engines and parts for other firms, are offering their .15 c.i.d. in standard and throttle equipped Well made and easy these low priced motors are values. A very extensive of Cameron marine accessories is available.

Dooling Brothers that they still their famous .29 and .61 facing on their production list. of these are made as and when schedules permit. Meanwhile, spare parts for these can be obtained.

A new American entry are the Dew .45 and .51 for R/C work. No details presently

GREAT BRITAIN — If has set the standards by which the glow of the rest of the world are judged, the British may be said to have the same with diesels they were not the first to a model diesel. Credit for goes to the Swiss for the original .12 Dyno engine.

But most of the in diesel design has originated in

The Oliver-Tiger .15 is certainly the most British engine in contest It has an almost unbeaten record in and international FAI class team-racing and the advent of ultra high glow .15’s, was a favorite for FAI Made by the John Oliver concern in Dorset, the secret of success is in the meticulous hand that goes into the and fitting of each engine.

the Tiger 2.5 c.c. Mk III (.15) and its brother, the Tiger-Cub 1.5 c.c. Mk II are fairly orthodox and feature valve, radial porting and ball-bearings.

At extra cost they are available in factory-modified versions up to 20 percent more power. or .36-bhp for the .15 and .23 for the .09.

A rival for the is the Eta 15 diesel, also with ball-bearings and radial porting, but valve intake. The stock of this motor will about .35 horsepower and speeds of 100 mph have been reached good FAI team-racers. The makers, Eta Ltd. also build two engines, the most successful of has been their disc-valve, ball-bearing, ringed piston

Speed flyer Major Gus of the USAF has topped 150 mph with a powered by one of these.

A third .15 which has achieved a place in is the Rivers Silver-Streak. This rotary motor has a unique design with special roller bearings. Rivers a 3.5 c.c. (.21 c.i.d.) of similar design called the Arrow and this is also in a slightly reduced bore to come within the American .20 Class A limit.

Diesels of .15 c.i.d. are frequently rather running, but the Silver Arrow is in both power and smoothness a good .19 glow engine.

.19 contest diesel with characteristics is the P.A.W. 19-D, mainly for British combat (which limits engine to .21 c.i.d.). This and its companion .15 and .09 are the work of J.G. (Gig) who, before becoming an manufacturer, accumulated many of know-how by running a model re-boring and repairing service.

diesel still manufactured in is the Mills. Actually, the present 1.3 (.08) has remained virtually for thirteen years and its basic goes back to the original Mk I 1.3 which came on the market in the of 1946. The smaller .45 c.i.d.

75 is not quite so old, but both are long-…, side-port types; to handle and are still widely for beginners.

Easy starting diesels are also produced by Saunders (.034 c.i.d. A-S 55) and Engineering (.06 M. E. Heron). are well-made radially ported valve motors with fuel tanks.

M.E. offers an .09 of similar design.

the larger manufacturers, International Aircraft Ltd. a division of the big Brothers toy organization, currently eight diesels and three engines under their trademark. The diesels range .049 to .21 c.i.d. and are of varied The 149-D Vibramatic, for example, has a type of automatic intake consisting of a steel shim backed by a light coil

Having the same bore and are the 150R with normal valve and the 1500 Viper rear rotary drum and twin ball-bearings. A plain glowplug version of this mill is called the Venom. is also an .06 based on the 150R

The 249-BB is a .15 twin ball-bearing also obtainable in a modified version with improved The 349 is a loop-scavenged .21 fitted with one and a rear drum valve; for R/C equipped with a barrel and a neat exhaust extension for coupling to a pipe or muffler. smallest diesel is the 80. a glow is called the 049-RG.

Largest is the rather elderly (1949) a .30 c.i.d. loop-scavenged glow job a ball thrust race.

is another firm with a bag of mills. One of their best, the .09 contest diesel, has a twin shaft and a non-metallic disc with alternate drive for right or left handed Their Racer .15, in 1951, has been one of their successful and their Hunter .21 the first R/C model aircraft of the English Channel.

Just by E.D. is a beginner’s .06 Cadet. this George Fletcher, new designer, is after docility and The Cadet has side port spring starter and a neat, muffler as standard equipment.

is an entirely new job, the Condor 60 for R/C multi with twin bearings.

While production at the plant on the Isle of Man is concentrated on small diesels for fly-for-fun three years ago this also began manufacture of one of the ambitious power-plants ever by a British firm. This was the .29, a precision made, opposed, twin-cylinder glow dual rotary valves fed a single carburetor.

Since a crankshaft is used the conrods detachable caps — per scale practice — secured with two screws. most twins, it offers no advantage over a good .29 but the remarkable smoothness of the simultaneous-firing cylinder arrangement is a real Davies-Charlton also make the a beginner’s .046 glow, is one of the last expensive motors in the

D. J. Allen Engineering Ltd. of London, produce four diesels in popular displacements. 06. 09. 15 and designed by Dennis Allen.

entering the model engine he had been one of the first British to take up U-control and, R/C flying. More recently, has been turning out the A-M .049 engine — an English of the Wen-Mac. In July 1961 also took over the of Merco engines from flier Bill Morley and tuning wizard Ron Checksfield.

in ’58 this pair had set out to British modelers with a .35 comparable with top American The Merco .35 is now the most widely stunt engine in Britain a long string of contest in the hands of such experts as Warburton and Ray Brown. The engine is offered as a reduced bore .29 and are R/C versions of both sizes.

latter are fitted with type carburetor throttles to exhaust blanking plates.

Just before Merco shifted to Allen Engineering, a new was released, the 49 R/C. Now in production in standard and R/C versions it is one of the finest ever made in the U.K. twin ball-bearings, ringed piston and high grade

One of the most powerful R/C multi available, it offers .70-bhp 11,000 and 11,500-rpm on 5 percent fuel and is noted for its above-average on such larger props as and 12×8. Two of the three engines by the winning British team at the World R/C Championships were 49 R/C’s.

A favored engine for R/C in Britain is the water-cooled Taplin diesel. An air-cooled airplane is also offered and the new Mark 2 has increased from .42 to .49 displacement a needle roller nose in addition to three ball-bearings. The is a vertical in-line, alternate-firing — unusual in that parts are pressed together being inserted in the center the drive then being via a separate extension shaft.

twin is fitted with an barrel throttle carburetor and an manifold. It has a nickel-plated crankshaft, cylinders.

JAPAN — country’s best-known model firms are O.S. and Enya. is one of the oldest manufacturers of model Owner Shigeo Ogawa his first miniature power-plant in and went into production in with a .10 c.i.d. motor at the of about 20 per month. By 1941, had designed seven more ranging from .27 to .58 c.i.d.

WW-II he re-established his factory on a scale and produced several types including a ball-bearing racing .64. The big-time point came after with the original O.S. 29. engine was distributed in the U.S. by Atwood and production went up to 1000 per month.

In 1956, the new O.S. Max-1 15 helped win the F/F Championship for Britain’s Ron Draper and the name soon became to modelers throughout the world.

offerings are Max-6, Max-19 and the latter two also available in R/C Max-49 features a single ball-bearing supplemented by a bronze bush; the R/C job has a coupled throttle of intricate design. This of a barrel throttle with air-bleed idling mixture remote needle-valve metering to a separate jet and a neat exhaust enclosed in a diecast extension.

The which delivers .65В·bhp at on 5 percent nitro fuel is not heavy at 11 oz.

Ogawa’s 19, first of this displacement, is a little all round than the popular 15, but resembles the latest Max-III 15 three-point (instead of two-point-as on the 15 and Max-III 29’s and 35’s) fixing and a counterbalanced prop For R/C the 19 has a slightly simplified version of the R/C throttle. The Max-III 15, more than earlier O.S.

and with pressure feed and the insert removed, has reached on 50 percent nitro in tests. factory lists .48).

All engines are glows. A .15-D was made four years but despite impressive specification, was not too The crankcase casting of this became the basis for the .15R ball-bearing racing glow

Several dozen of these during 1960 and 1961 outstanding, particularly for FAI free-flight. the engine has not yet reached regular it is not included on our list. O.S. is out a special contest version of .29 known as the .29X which close to .80-bhp at 16,000-rpm on 30 to 40 nitro fuel.

Enya lists nine different glow engines and two diesels, with TV (throttle valve) of most of them. One of the most is the .29-III which, on independent reached nearly .70-bhp at 15 to It is also made in a special version for which .80-bhp is These have been particularly well for Class B racers in Australia.

Also in competition, the Enya 15-D broke new ground when it in Mk I form in 1956 Unlike other contest diesel it used a loop-scavenged cylinder and the diameter shaft of any 15 diesel at time. It came close to Oliver performance and probably other designers since it was by two successful European .15 diesels of configuration. In 1960 it was replaced by the Mk.

2 which has the largest shaft of any ball-bearing 1.5 (.453 dia.) and .34-bhp at 15,500 to 16,000-rpm.

Benelli Tornado Limited Edition (Italian version)

biggest is their plain-bearing 50, an rugged motor that has in production for the last eight This is available in an R/C edition with a simple throttle-valve. more complicated throttles are on R/C versions of the 35-II and 45.

These a barrel throttle, plus a fuel system with an needle-valve to adjust idling

Enya engines are produced by the Metal Products Co. Ltd. of under the direction of three brothers — Jiro, and Yoshiro Enya.

Fuji glow engines which fit displacements from .049 to .29 are of design, the smaller ones reverse-flow scavenged, radially-ported while the larger designs are scavenged.

K.O. engines, by Kondo Brothers, are currently to radially ported .049. 099 and .15 plus a loop scavenged .15 which is also available a coupled throttle system.

from Japan, we have the 45 glow engine. Previously in its R/C version with a coupled throttle system similar to of the O.S. 35 P/C, the Kyowa appeared with a new type similar, in principle, to the Johnson Mix.

WEST GERMANY — the best known engines are and Taifun. Webra started in with a plain bearing .15 followed by a .09. In 1953 the powerful, compact, relatively twin ball-bearing, short-… Webra Mach-1 designed by Bodemann.

This engine many other continental its bypass system, consisting of internal cylinder flutes the piston riding on thin at the bottom of its …, has been in the Polish Jasholka, East Jena and Schlosser and Hungarian Webra also made a version of the Mach-1 but this duplicated the popularity of its diesel.

.21 (not to be confused with Bully shaft valve and bearing engines) also twin ball-bearings and disc is offered in both R/C and glow Biggest Webra is the flat Boxer .47 c.i.d. diesel, from the original Ruppert diesel which aroused so interest in Europe in the planes of R/C multi champion Karl-Heinz famed for his pneumatic servo The Boxer is still available a rear mounted vacuum for those who use such servo

Webra’s smallest are the Piccolo 047 and diesel mills. Sport-Glo was at the request of the famous Schuco for their entry into the plane market. Big-Ben 5 is a .29 for R/C.

Taifun engines-made for and by the Johannes Graupner organization, biggest model firm include six diesels and one glow. of the diesels are .15’s, all use radially-ported and a 15 x 14mm bore and …, but has a different crankcase and is quite as the specification table indicates. The has an integral barrel-throttle type

Also for R/C is the .21 Bison glow, a plain bearing shaft motor with coupled plate type exhaust

Popular sport type on the German market include the and Rebell diesels. These are priced conventional designs, all radial porting, shaft and plain bearings. Derived the Jaguar 2.5 is the Robbe Duo-29, a using Jaguar cylinder

Flat twins made by Fricke (F.M.O.) include a .39 diesel and a .61 c.i.d. glow, with ball-bearing shafts.

GERMANY — The Ferdinand Bambino diesel is basically the as the Tomboy engine that was produced by Klaus Krick in Germany. For an explanation we have to go to 1958 when Benno who, with his father turned out the Schlosser .15 diesel that year by Hungary’s Frigyes to win the World F/F Championship), East Germany for the West. him went Ferdinand Krick’s son

The first engine this began producing was the Schlosser Later, Schlosser took a job Volkswagen and Krick continued to the Tomboy for a time under his own It is obvious from data and of the East German Krick that to all intents and purposes is the same engine.

Another German engine of similar is the WMD-05. In the 1.5 c.c. group c.i.d.) there is the Wilo designed by Willi Otto who has many engines in the past. producer in East Germany is Jena GmbH, better as the Carl Zeiss Optical at Jena.

Jena turns out a .06 c.i.d. diesel fitted ball-bearing shaft and a spring unorthodox in that it is a side motor but with the intake horizontally forward, instead of from the cylinder. Jena makes six larger diesels on a common crankcase and ball shaft assembly. Two are .12 c.i.d. the .15’s.

Their reed-valve .15 are reported to produce .36 bhp.

— Like Fiat in the auto world, Super-Tigre is the name in Italian model Super-Tigres in many types are by Micromeccanica Saturno of Bologna the direction of owner Jaures Their .15 c.i.d. glow for years have been widely used by FAI speed than any other.

The present model is especially interesting for its loop-scavenger cylinder porting in the bypass ports open with the exhaust, despite a flat piston head. on the same main casting as the .15 are .19 and .23 and a .15 diesel. An older Super-Tigre .15 diesel of entirely different has a rear rotary drum and circumferential porting.

Three models are fashioned around latest series G.21 G.21/29 is a racing engine for .95-bhp is claimed on nitro. is basically a combat motor. is also made with a piston for R/C work with Super-Tigre throttle assemblies.

Two expensive plain bearing are offered — one for stunt a conventional baffle piston, for combat with a special and squish-band type head.

S-T .51 and .56 are bronze bearing ringed-piston which have proved for R/C multi.

New pistons and deeply heads have overcome the troubles experienced with early examples. Throttle are made to fit nearly all the S-T glow (also the G.20/15 diesel) the types recommended as most for conversion are the .19. 23.

40. 51 and .56.

The brothers, U go and Cesare, of Brescia, who in hopping-up Super-Tigres for speed are offering a .60 of their own design. similar to the McCoy .60, it is a ball-bearing affair touted to 1.84-bhp at 18,000-rpm.

U.S.S.R. As we have remarked, it is most to get an accurate and up-to-date statement of production in Russia, but our list six recent types, three and three glows, four of have actually passed our hands. All these use pressure-cast which suggests that have been made in numbers.

The Kometa .29 and Moscow and VIP-20 were all featured in Iron Engines, American Modeler for 1962, so no need for descriptions to be here. The MK-12V, not to be confused the earlier MK-12S and MK-12K is a copy of the West German Mach-1.

The MK-16K is an interesting .09 with a long crankshaft in ball-bearings fore and aft and having a which is comparable with of the better European contest of similar displacement. The Kharkov, a .15 intended for racing and free-flight, based on the Czechoslovakian MVVS .15 which it closely resembles.

— Like Italy, only two or three active Best known is Moteurs of Paris. Micron, one of the pioneer of diesels, has produced numerous since the war, ranging baby diesels to a racing Most are now out of production or made to order. Their current includes four .09 and .15 diesels.

29 and .35 engines. Latest products are the .15 for FAI and the .35 for which a throttle carburetor is

The Modelsport MS-10 is a new one built in diesel and glow types. In the Stab 1.25 has been for 16 years.

CZECHOSLOVAKIA and HUNGARY Although Some Czech and engines have been by small independent producers, all current production is now in the hands of the Model Development Centers as MVVS and MOKI. In addition to the motors listed, MVVS has a of new ones, but these have not yet the stage where they can be as production offerings.

MOKI now has a version of the front rotary S-2 .15, called the D-1, they claim delivers at 17,000-rpm. They have to disc valve for their racing glow .15, the With this speeds 130-mph on monoline and straight FAI have been reported.

MOKI team-race TR-6 has the same general layout as the and TR-5 series, but features a new and is generally similar in design to the Tiger.

POLAND and RUMANIA Poland’s leading designer is Gorski, an accomplished modeler and who built the first successful rotary-piston type miniature in Poland’s most widely powerplants, the Jaskolka .15 and Sokol .29 were both by Gorski. The has progressed through four — shaft-valve and reed-valve bearing, reed-valve and disc-valve types. The last two, as Jaskolka-2 and Jaskolka-3, are included on our

Similar variations of the larger have also been but a successor to these, the Super-Sokol, by Gorski, is being turned

This engine is an entirely new The standard production version is a manufactured by Ryszard Szmidtke of Unlike the older Sokols, it is (the first Polish of this type) with shaft and disc intake.

among diesels, it has a curved on the piston, the contra-piston being to take this. A glow is assembled by the Polish Model Center in Warsaw. Rated at 14,000-rpm it is for C/L stunt work.

In the Test Center is making a number of throttle equipped for R/C and scale U-control models. The consists of a simple butterfly in the intake which linked to a blade type exhaust drops rpm to 3 or 4,000 according to used.

Rumania is the latest European country to produce its own the I.O.R. 2.5. Based on the Mach-1 it is built by RumaВ­nian Industries.

HOLLAND and NORWAY Three Dutch Typhoon in our list are by Miniatuur-Motorenfabriek TyВ­phoon of The last type produced by the was the .42 c.i.d. Typhoon-Twin, an in-line, throttle-equipped diesel like the Taplin, but with a special of rotary-valve contained in the center section of the 3-piece crankshaft.

The has an extra power take-off at the rear, suitable for driving a pump for pneumatic servo

Typhoon’s .29 disk-valve ball-bearing was developed from the company’s racing .29; the R. 250 is an orthodox ported ball-bearing diesel.

Jan David-Andersen, one of the earliest manufacturers of put his first engine into scale production late in A keen boat and airplane David-Andersen continued experimenting various types of diesels settling down to regular in 1950 with a sturdy .15, which was later by an .06. Both have superseded by improved models and D-A production is concentrated on the three listed.

These are superbly with many pleasing such as glandnuts on the compression-screw and to adjust tension. A full of accessories, including throttles, extensions, water-jackets and marine assemblies, is also produced by Motors.

Current Aussie is confined to the engines made by Burford Co. Ltd. Eight include the Glo-Chief .19. 29. 35 and .45 jobs, the Taipan .09.

15 and .15 diesels, and the Taipan .15 glow. The are conventional loop-scavenged motors; the are reverse-flow scavenged (i.e. port) motors. All are shaft-valve soundly engineered and of good

Their well-produced crankcases are R/C versions of the 19 and 45 have recently shown.

Additions to this will appear in future of American Modeler.

Benelli Tornado Limited Edition (Italian version)
Benelli Tornado Limited Edition (Italian version)


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