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By Mark M
#70864
I have met Steve Linsdell on several occasions, one of which was a guided tour of his bike collection including a previous incarnation of this racer, his Model K v-twin and his 800cc Series 3 Interceptor prototype among others. A very nice guy indeed, very quiet and modest and an amazing engineer and tuner.

REgards, Mark
By Felix
#70866
Would love to defrock that bike and leer at its nakedness! There must be a lifetime's creativity under wraps.
By Alan R
#70868
Hi Guys----- and thanks TIM NZ for posting this..I'm imagining I'm in those pits and having a "Sneak-peek" at the bike...Here's some random thoughts}--- "I wonder what the all-up weight is ??---From that I could roughly calculate the BHP at the wheel needed for 140mph....Bore/stroke = 90 x 78..... Forged Slipper piston, forged H-Section steel con rod--- roller or needle bearings throughout....Lightweight internals so mass inertia is reduced as is piston linear speed compared to a "Long" stroke but at a price}--- ie Poor chamber filling so is he using 2 small diameter inlet valves activated by big overlap polydyne type cams ??...That 42mm carb tells me that fuelling at top RPM has been a problem.....I imagine the useable power-band is narrow ( Hence the 6-speed box ) but looking at that exhaust can I bet he's using some form of reverse-pulse scavenging to draw extra fuel/air mix into the chamber...A look at the final drive sprocket ratio would help .........I can't see under that fairing but I'd expect a digital electronic ignition system firing 2 or even 3 plugs ( 1 for cold start then 2 for running ) ... only 1 disc up front ? ".............. As I say, just some random thoughts....
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By Adrian
#70871
Alan,



something tells me he's not using some weird three valve head, read the article again. This from the man himself.



"The cylinder head, timing case, crankcases, gearbox casing - it’s all original old stuff.”



The 41mm Dell'Orto carb is also used (in pairs) by the CRMC BMW sidecar outfits, my friend Tim's 998cc oufit being one of many.



A.
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By PeteF
#70872
It did occur to me Allan, one disk at the front and a drum at the back?
Enough on the track I suppose but.....

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