BMW R7 Motorcycle by Alfred Boning — Review

21 Май 2015 | Author: | Комментарии к записи BMW R7 Motorcycle by Alfred Boning — Review отключены

BMW R7 – A Forgotten Engineering Miracle

happened more than 75 ago. BMW company created new motorcycle prototype with name – BMW R7 . This machine was and developed by talented german – Alfred Böning .

First and prototype was introduced in 1934. after, project was closed, and BMW R7 saw mass production. Plans and of motorcycle were sealed and in a box for over 70 years. And finally in engineering plans and parts remained from motorcycle used, and BMW R7 was recreated.

 But for now get back to history.

Boning to invent something totally and unseen before. He planned to design and engineering capabilities of BMW at its

It was risky and radical decision – intended to change standard design of the 1930’s completely. He know if public could extravagant design of R7, but he was persistent and his came true, despite financial problems.

It was the glorious motorcycle, with bodywork (probably for first and pressed steel bridge For the first time ever front forks were they were installed on motorcycle in Germany after however for R7 it was an exception, and forks used even before came to mass production.

itself was made from but there were some made with monocoque which was used exceptionally for motorcycles and cars. Every detail and part was carefully even mudguards were and innovative. Also extensive use of added a lot to bikes design, it futuristic and powerful.

It was motorcycle no other and the world never anything like that (even by modern standards R7 looks exceptionally great). And it only looks. Comfort and parameters were ahead of time as well.

Heart of this monster was well crafted M205/1 It was 800cc (790) boxer 2 valves per cylinder; which 34.94bhp (25.7kW) at 5000rpm! And was in 1934.

Again, for the first in a European motorcycle, the engine was in one-piece tunnel design. was forged in a single piece Cylinder and its head was a monoblock which eliminated possible with head gasket. And problems were pretty at that time. Aside of combustion chamber was hemispherical, and several other innovations separated con-rod ends, was amazing.

Many of those were not available for BMW motorcycles /5 Series was introduced, in 1969! Not project was led by Alfred Böning.

Gearbox was 4-speed with single plate, cable clutch. While hand change was common at that no motorcycle had such easy, form of gear changing. It was to car’s gearbox actually.

ratios were pretty and even with that BMW R7 had speed of 145km/h!

Person that bike would sit on the saddle, gripping the side (that could be opened to the electrics) with his knees. His were greatly protected on the footboards. Speedometer was functional and different; it was similar to speedometers were used for prestige of the era.

This motorcycle has aimed at the truly successful because it was very expensive and

All was functioning and looking in perfect Even exhaust pipe was shaped, and I need to say it was fantastic! of that, taillight was sculptured in the shape, and it even had the word illuminated in the lens. Also hung in original position the pressed steel frame.


Again, it was so different, comparing to motorcycles from 1930’s.

any doubt BMW M7 was a glorious motorcycle, but it was too and hard to build. Company to produce inexpensive sporty which were quite to general public. Strangely, R7 was seen on any motorcycle shows at time, so almost no one has heard it. As war approached, motorcycle was put in a box, with construction plans.

parts were stripped and for other motorcycles.

When box R7 was finally opened (In June bike was in quite bad condition. motorcycle was 70% complete, many were damaged by rust. And on top of electric battery caused corrosion of steel.

It was expensive long-term project, but BMW giving up.

Various specialists BMW started to work on this Bodywork was handed to Hans and another specialist in vintage engines (Armin Frey) was on the priceless motor. Gearbox, and engine needed to be replaced, and several missing parts not hard to find from vintage models, some to be re-created again.

Luckily construction plans from were found in the BMW archives, and process became easier.

in late 2007, all parts found, re-built and put together. was painted with BMW signature paint; later white were added. Over 70 passed, and motorcycle was kicked life again.

Now it’s not for static display in the BMW museum, it be seen on the road classic and shows throughout Europe and the of the world. Many bike were very lucky they saw this miracle at the BMW

Thanks to the BMW team, now we can see this motorcycle on photos. And they us idea how well R7 was developed, and how it was ahead of its time!


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