25 Фев 2015 | Author: | Комментарии к записи BLÉRIOT TYPE XI TECHNICALITIES Simanaitis Says отключены
motorcycle Anzani W 3


IT WAS fun Louis Blériot and his epic the English Channel in his Type XI ). Just as they extended the back in 1909, let’s it today, only with a at several of the aeroplane’s technicalities.

The Type XI was a monoplane, rare for its with a particularly interesting gear and powered by an engine of logical—layout, one that was destined to up in unexpected places.

The Blériot’s engine had three cylinders, but not in a you might expect. Image Blériot XI: The Story of a Classic . by Tom D. Crouch, Smithsonian Institution 1982. The book is listed at .

Alessandro Anzani began motorcycle engines around Originally, these were but Anzani soon added cylinder for increased displacement and Termed semi-radials or fan types, had their cylinders all arranged in the half circle rather spaced evenly.

Alessandro with one of his 3-cylinder-powered motorcycles.

One of the fan configuration was to reduce the propensity of plugs fouled with a of lubricating oil. Another was the fan fit into a motorcycle frame. A was the necessary amount of piston

The Anzani had individual cast cylinders and a crankcase of aluminum. The was air-cooled with side each exhaust valve and the intake valves originally of atmospheric sort.

Technical of the Blériot Type XI are contained in of the Air: Jane’s 100 Significant compiled by H.F. King, by John W.R. Taylor, 1969.

Both and list it.

Blériot’s Anzani had its cylinders at a 55-degree angle. of the Air cites a 105-mm bore and …, which works out to a of 3.1 liters. (Another source a 103-mm bore and 3.0-liter The engine produced perhaps 25 hp at 1400 rpm.

Anzani had factories in his native France (where he lived) and British Anzani, which exists, supplied engines to the of AC Cars, Frazer-Nash and Morgan.

In a turnabout, in 1938 when the Sailplane Company in England a powerplant for its Luton L.A.3 the perfect solution was a secondhand V-twin from a Morgan sports car.

The 1938 L.A.3 Buzzard was a powered its engine a secondhand Anzani. is my Microsoft Flight Simulator

motorcycle Anzani W 3

The Blériot’s landing gear, “starting and alighting gear” in documentation, is a tail-dragger type. it apart, though, each is on a trailing arm, with suspending as well as castering Main wheel suspension on a pair of sturdy elastic per side; a coil spring in vertical column returned the wheel to straight ahead.

The landing gear featured suspension and castering. Image Blériot XI.

Castering had the benefit of crosswind capability, a helpful with this fragile weighing only 660 lb. fully

Blériot chose a single-wing for the Type XI based on earlier with his Type VII, the ancestor of the modern tractor A single wing went conventional wisdom for structural A biplane with struts a box section that resists A monoplane does not, one like the Type XI which upon wing warping for control. (Curiously, the Type had ailerons for this purpose.)

The Blériot’s control wheel turn; it moved fore/aft for control and right/left for wing This is my Microsoft Flight model.

As noted in Blériot XI . engineers have identified stress as a problem with early monoplanes: Wings simply twist off. more, designs were to have a torsional divergence was airspeed-critical. Fortunately, the Type divergence speed was in excess of 100 more than double the capability.

It’s no wonder that the Type XI is considered one of the milestones of the ds

© Dennis Simanaitis,,

motorcycle Anzani W 3

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