
interesting bikes found randomly..
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Tarmacsurfer
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Re: interesting bikes found randomly..
Guess the donor bike
(Should be an easy one)
(Should be an easy one)
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- rodbargee
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Re: interesting bikes found randomly..
This is a Sachs rotary

That Hercules appears to have a weird two stroke engine that is intriguing

That Hercules appears to have a weird two stroke engine that is intriguing
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- DefTrap
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Re: interesting bikes found randomly..
Still my favourite bike on this thread.
A lot of them (XVs) have been done, few are as good.
- rodbargee
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Re: interesting bikes found randomly..
the discussion about the hercules was that the reed valve inlet and odd exhaust positioning was a rotary. I I get that its not like the other one pictured, I would love more info on it. if thE chamber was 90deg putting it inline? and finned without that huge air intake.
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- Horse
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Re: interesting bikes found randomly..
The DKW is a rotary like the Norton F1. 'Triangular' piston.


Even bland can be a type of character 
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Le_Fromage_Grande
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Re: interesting bikes found randomly..
That is a Wankel, and very interesting, I wonder how they've geared the rotor to the clutch.rodbargee wrote: Mon Feb 01, 2021 3:52 pm Here....https://motocrossactionmag.com/bikes-yo ... 02-rotary/
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Re: interesting bikes found randomly..
So is the Hercules MX bike, the rotor is vertically above the crankcases.
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- Horse
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Re: interesting bikes found randomly..
Ah, ok, apologies. First glance it just looks like a normal 2t barrel at an angle.
Even bland can be a type of character 
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demographic
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Re: interesting bikes found randomly..
Stolen off the Benelli website...
754cc Bore x Stroke - 88x62mm Engine layout - Parallel twin Engine details - 4-stroke, liquid cooled, 4 valves per cylinder, dohc Power - 80bhp Torque - 50lb-ft Top speed Est - 135mph Transmission - 6 speed, chain drive Tank size - 15 litres Frame - Steel Trellis Front suspension - 50mm USD hydraulic forks Front suspension - adjustment Compression, rebound and pre-load Rear suspension - Single Hydraulic Shock Rear suspension - adjustment Preload and rebound Front brake - 2 x 320mm discs, mono block Brembo 4 pot calipers Rear brake - 1 x 260mm disc, twin pot caliper Kerb weight - 220kg
I saw another picture of it side on, the tank is quite an odd shape.
754cc Bore x Stroke - 88x62mm Engine layout - Parallel twin Engine details - 4-stroke, liquid cooled, 4 valves per cylinder, dohc Power - 80bhp Torque - 50lb-ft Top speed Est - 135mph Transmission - 6 speed, chain drive Tank size - 15 litres Frame - Steel Trellis Front suspension - 50mm USD hydraulic forks Front suspension - adjustment Compression, rebound and pre-load Rear suspension - Single Hydraulic Shock Rear suspension - adjustment Preload and rebound Front brake - 2 x 320mm discs, mono block Brembo 4 pot calipers Rear brake - 1 x 260mm disc, twin pot caliper Kerb weight - 220kg
I saw another picture of it side on, the tank is quite an odd shape.
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