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Drysdale 750 V8 Superbike
To build a road legal factory racer-
the highest performance motorcycle that could still be ridden to the corner shop
for a loaf of bread.
The decision to use the cylinder head from an existing 4 cylinder engine was one of the few times that economic reality overruled engineering innovation. There is little chance of selling a hand built special (particularly overseas) if the buyer has no chance of buying spare parts in the event of Drysdale Motorcycles ceasing to produce the 750-V8 for any reason. Most of the critical wearing parts in the 750-V8 can be purchased through any motorcycle dealership - guaranteeing worldwide parts availability.
Ian has no illusions about the economics of motorcycle production - even at the estimated price of AU$70,000 ( US$50,000 ) he still intends to build minimum batch runs of 5 or 6 at a time to make the venture profitable. He has managed to run a successful engineering business for 10 years with its ups and downs - and still find enough spare time ( and funds ) to develop several radical motorcycles.
The demand for 'upmarket' motorcycles worldwide is extremely strong with buyers willing to pay a premium for individuality and high performance - in these two areas the Drysdale 750-V8 will be unsurpassed.
750cc watercooled 8 cylinder, 90 degree vee configuration, bore and stroke 56 x 38mm, 'Flat' (180) crankshaft design, 6 speed close ratio cassette-style gearbox, 4 valves per cylinder, 17,000 rpm redline (race motors 19,000rpm), 120 kW power output projected.
Designed and machined in house by Ian, pattern by Neil Kilner of Accurate
Patterns, casting by Magnesium Technologies (Cast in high strength aluminium
Frame And Bodywork:
Designed and fabricated in house, TIG welded ERW tube, oval tube was custom made
to Ian's specifications.
and Hines 'Powerpack', to be replaced by MOTEC engine management system.
Source Drysdale V8