RE using digital instrumentation- I said a couple of things about LabView software the other day that turn out not to be quite right. On the EV list a couple...
will a stream of warm air transfer heat to steel better if it is hitting into it or "sliding over" the steel surface? we know it takes heat off the steel ...
In attempting to resurrect a Terrot crankshaft I've gotten in over my head and could benefit greatly from the groups collective wisdom. This unit is way older...
I can only remember seeing one engine with loose rollers. I think it was a West Bend 620. I believe the correct # of rollers in that was one less than would...
Peter Haynes
bikesrme@...
Mar 21, 2007 2:14 am
13291
... Caged is better, but if there is no room for a cage, then loose is tolerable. Not sure about clearance roller to roller as I avoid loose rollers, but from...
Ian
iwd@...
Mar 21, 2007 2:22 am
13292
Started down the path of caged only to find precisely nothing close enough to contemplate redesigning to fit. So back to loose rollers. These numbers give me...
Charles, I have several Vincent twins and they use uncaged roller bearings in the bottom end. You install all that will fit and then remove one. This keeps...
... I'm thinking back to my BSA Bantam ( god help me ), they were a pretty tight fit from memory. Cheers IAN See www.drysdalev8.com for : - Drysdale...
Ian
iwd@...
Mar 21, 2007 2:51 am
13295
... -~-> ... Hi from a long time member but this is my first post I have a 1952 ducati cucciolo that i repaired by the following method (50cc pull rod engine) ...
... You're a tight b@st@rd Bruce, your budget could have extended to a bit of EN36A and some heat treatment, couldn't it ?? Cheers IAN See...
Ian
iwd@...
Mar 21, 2007 1:07 pm
13298
After chewing on this a bit, I'm curious. The rod BE is/was 36.5mm and the rollers were 7mm, the BE width is 10mm. It seems like pulling a roller leaves way...
Vincents use .250 diameter roller bearings, which is between 6 and 7mm. Pulling 1 roller on a Vincent leaves a little over .250 gap, but this is not the...
I understood the .001" reference. A quick scan of roller bearing dimensions gives micron clearances between the rollers and the inner and outer races. How...
The rods on a Vincent are side by side. The rollers are .250 x .250. There are three rows of 45 rollers for each rod with spacers between each row, for a...
Have you tried Alpha Big Ends in the UK ? Terrots are not that exotic, and Alpha make/made bits for a very wide variety of machinery... hth. ... From: Charles...
RohanB
newboltz333@...
Mar 21, 2007 9:28 pm
13304
Never heard of them, google returns http://www.alpha-bearings.com, looks promising. Thank you, Charlie in Iowa...
Yes I could have if i wanted to but it kinds of goes against the grain of engine restroration for me. I decided to give it a go and it worked Besides that it...
A few years ago, someone put huge CAD hours into designing an improved Vincent engine. I was pretty sure this was in Australia at a machine shop. Did it ever...
This would have to be the Irving Vincent. Sure is in production - and apparently in classic racing these things are AWESOME !! http://www.irvingvincent.com/ ...
RohanB
newboltz333@...
Mar 22, 2007 6:20 am
13308
My "daily ride" is a Panther, with crowded roller bigend bearing. It has 2 rows x 14 rollers of 5/16" diameter. See exploded drawing: http://tinyurl.com/32obsw...
At the recent Barry Sheene Memorial meeting at Eastern Creek - Craig McMartin cleaned up Unlimited P5 "Forgotten Era" classes on one. Blew away the GSX's...
... Site won't hook up for me. The Horner boys have done a great job with this thing and gone about it with the right attitude. So many people try to...
Ian
iwd@...
Mar 22, 2007 2:10 pm
13312
Guys, thanks for the link to Irving Vincent. I wrote to them and asked if they will sell their crankcases. The answer was no. I guess you have to buy the...
Edward, There are several people in the UK, France and Germany that are making and selling new Vincent crankcases. One of them is even making them out of...
One of the latest "classic" magazines had a small article that the UK VOC had assembled a complete new Vincent twin from recently manufactured parts, so it...
The VOC spares company offers every part needed to build a new Vincent twin engine. They will soon be able to offer every part to build a complete Vincent...
... Yes and no. From the start, the Horner boys have stated that they aren't interested in making spares to keep existing Vincents going. they have been...
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