Seems thread is a little slow and this doesn't have much to do with motorcycle engines but just a thought here on Michelin Tweel.As some race frames are now...
Try putting a "<" before and a ">" after the link. Like this: <http://www.michelinman.com/difference/releases/pressrelease01102005a.html> It forces the long...
... Most OEM automotive cranks are not hardened. Of the few that are, it's one of the case hardening treatments and is ground off the first time the crank is...
... Sleeve valves, piston-port uniflow dual crank two strokes, rotary valves... Ordinary poppet valves last as long as they need to, are cheap, and have a vast...
Hullo listers, Thanks very much for the extremely useful info. This has simplified my job considerably! Now to turn up a couple of crankpins on the mini...
Hullo group, I recently installed some new guides on an enfield bullet. Now, when I pop in a new valve, it most certainly doesn't set properly on the seat and...
Look for Serdi or Neway are the ones I see most often in US moto shops. There are also abrasive stone ways of doing it. The cutter systems take a few seats to...
Old cranks are being reclaimed these days using hard chrome on the journals. Gives them a long service life apparently.... hth, Rohan. ... From: Dave Williams...
RohanB
rohan3333@...
Apr 2, 2005 6:57 am
8441
I kept wondering if this was an April 1st announcement.... Flexible wheels ? Service life measured in metres is the thought that comes to mind.... Cheers, ...
RohanB
rohan3333@...
Apr 2, 2005 6:57 am
8442
One of the Classic Racer guys hobbled into club meeting a few months back - someone mentioned that the steering stem dropped out then tore out of his Manx...
RohanB
rohan3333@...
Apr 2, 2005 7:05 am
8443
... For random occations, visit a local rebuilder and have the seats cut. Up to $20 per seat is a reasonable price....
... There are two basic processes - reaming and grinding. Most automotive and aircraft service is done by grinding. Most "small engine" service manuals for...
... Right. I forgot about the single-edge Serdi-type stuff. I use 3/8" Sioux stones, as do most of the shops in my area. I know a couple of guys with Serdi...
... Yep. As far as I know it originated with the drag racing crowd in the late 1950s. Metallic particle spray welding has been used since the 1940s that I...
Arc welding was also used to make stroker cranks. You built up the top of each throw and put the crank in the grinder, offset the wheel for the stroke change ...
The crankpin should be round and cylindrical within 0.0002 inch, be finished to better than 10 uinch rms, and probably even finally directinally polished ....
Michelin do seem serious about it, don't they ? Maybe its like the Dilbert cartoon, where Marketing have announced its, now its up to Engineering to invent...
RohanB
rohan3333@...
Apr 2, 2005 10:20 pm
8451
Reminds me of the engine building shop in India. Guy out on the footpath with oxy and crank, applying metal like the crank must have been 10 sizes undersize....
RohanB
rohan3333@...
Apr 2, 2005 10:20 pm
8452
A friend of mine was stationed in Japan in the '60s. He dropped by the Yoshimura shop and Pops was hand grinding racing cams. My friend also had an engine...
... Yes - good advice - it's something you need to get right because the consequences of a failure here is likely to be life threatening. I once welded up a...
Ian
iwd@...
Apr 3, 2005 3:34 am
8454
... Hard chroming cranks is not always successful as the webs cause "shadows". BTW - chrome also "runs" to the bottoms of a job too, wierd eh ? Most methods...
Ian
iwd@...
Apr 3, 2005 3:39 am
8455
... I've only done a few welded strokers, but I haven't had any problems with them. -- ===ronin@... (Dave Williams)===================DoD #978=== ==...
Maybe this is another case of where the theory (of welding cranks) sounds horrible, but in practice works perfectly well. To quote Joe Craig (Nortons race...
RohanB
rohan3333@...
Apr 3, 2005 10:09 pm
8458
In a message dated 4/2/2005 6:21:49 PM Eastern Standard Time, rohan3333@... writes: Maybe its like the Dilbert cartoon, where Marketing have...
... That's the really neat thing about continuing to use 30's technology. There's heaps more leeway before it goes "boom!" as compared to the modern stuff. ;-)...
Yes, who would think that the most popular racing in the US is NASCAR. Big pushrod V-8 engines in big sedan and pickup truck bodies. Even Toyota got into the...
Group, This reply from a fellow I forwarded the earlier "internal coating" discussion to. Ernie B. Header coatings, One of the many topics that Smokey and I...
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