Name the bike

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This particular 1928 Windhoff 746cc Four motorcycle was sold at a Bonham’s auction in 2008 for £100,500. Its been blessed with a complete mechanical and cosmetic overhaul carried out during 2007/08. This machine comes with 1959 German registration documents, sundry invoices for the work carried out and articles about the history of Windhoff. This 746cc Windhoff Four is up for auction again on 29 Apr 2012 at Stafford Bonhams, the estimated price for the current sale is £100,000-£130,000 or $160,000-$210,000USD. But chances to find another one like this is slim they are as rare as hens teeth.

In 1926 Windhoff came out with a new machine the Windhoff Four, offering 746cc overhead camshaft, oil-cooled engine. The engine was designed by Ing. Dauben who later went on to work for Mercedes-Benz. Perhaps the most advanced motorcycle design yet seen; the Windhoff Four was loaded with innovation.

Windhoff Four was the bike with no frame, the huge engine was the frame in which was attached the front-wheel fork. The rear wheel was also attached to four fully chromed shafts emanating from the engine, which ran horizontally to the drive shaft, giving the entire unit a great architectural balance. The unit was renowned for it’s smoothness and flexibility, enabling the Windhoff to be ridden at the speeds as low as 6mph without snatch. In 1928 Windhoff machine set the world speed and endurance record on the Opel Race track during the annual Opel 24 hour race.

Something as remarkably engineered as Windhoff Four did came with a hefty price tag. They were more costly then BMW’s top of the range 750cc twin motorcycles. In a time of economic depression selling a motorcycle with a hefty price tag was quite challenging. Things didn’t work out well for the brothers, they tried and failed and sadly in 1933 they gave up as motorcycle manufacturers.

 
OK, what's this?
Honda Racer.jpg
 
1978 Honda NR500,legend has it that the 'NR' should have stood for 'Not ready'. According to Mr Honda,failure is another kind of success so maybe it wasn't a complete waste. It certainly was technically unique with oval pistons and double conrods.Basically it was Honda's way of getting around the ban on more than four cylinders by mking a V8 with siamesed bores and pistons.
I dunno how to post pics so someone else can set the next one please.
 
The 1979 Honda NR500

The engine contained ground breaking and mind-boggling technology. Unfortunately it didn't work very well.

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It revved to 19,500 rpm but had colossal internal friction such that (if I remember correctly) the engine would stall if the revs dropped below 8,000 rpm! Although it was a failure, Honda have never viewed it as such- they learnt a lot from this hideously expensive exercise.
 

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