Re: Peugeot belt length: Malossi Multivar

Toledo Riot /
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> jumpsuit steve wrote:

> -------------------------------------------------------

> Multivars have a smaller OD shaft.

>

> Stock:

>

> Diameter = 1.340"

>

> Circumference = 4.210"

>

> 1/2 stock circumference (approx belt contact) = 2.105"

>

> Multivar:

>

> D = .825"

>

> C = 2.592"

>

> 1/2C = 1.296"

>

> 2.105 - 1.296 = .809"

>

> so theoretically you have almost an extra inch in your belt for the

> multivar.

>

> you either/both bring the belt in (shorter belt as you have done) or

> swing the motor out into the belt run. I don't think you can top out on

> the polini spring, but you can top out the nut/bolt that goes through

> the stock spring - preventing full extension -- until something hits,

> like the motor mount stop, or the head on the frame, carb on swingarm

> etc. so you could take off the belt and see what is preventing it from

> swinging forward. but if it works, it works. there is no spec position.

>

> > LSLB RXb wrote:

>

> > -------------------------------------------------------

>

> > is this with a stock length conrod or the longer conrod cause 1.3mm

> btdc

>

> > would be different if it was the 75mm conrod vs the 85mm conrod.

>

> rod length should not affect timing in a significant way.

>

> http://www.torqsoft.net/piston-position.html

>

> crank angle difference between 75mm and 85mm rod with 40mm stroke @

> 1.3mm btdc is .23 degrees.

>

> piston position difference @ 18.5 deg is 1.302mm - 1.271mm = .031 mm

> aka .0012"

Boom, the math to prove my caveman esc test and try theory, thank you for the help!

This single post is part of a larger thread. Start from the top or view this post in context.
Subject Written By Posted
  Peugeot belt length: Malossi MultivarTopic by: Toledo Riot Toledo Riot 12/02/21 09:18AM
  Re: Peugeot belt length: Malossi MultivarRe: Beach Club Nick Beach Club Nick 12/02/21 01:27PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 12/02/21 02:59PM
  Re: Peugeot belt length: Malossi MultivarRe: Beach Club Nick Beach Club Nick 12/02/21 03:45PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 12/02/21 04:14PM
  Re: Peugeot belt length: Malossi MultivarRe: LSLB RXb LSLB RXb 12/02/21 03:42PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 12/02/21 04:13PM
  Re: Peugeot belt length: Malossi MultivarRe: jumpsuit steve jumpsuit steve 12/03/21 11:56AM
  Re: Peugeot belt length: Malossi MultivarRe: LSLB RXb LSLB RXb 12/03/21 12:50PM
  Re: Peugeot belt length: Malossi MultivarRe: b to the eff b to the eff 12/03/21 01:11PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 12/03/21 02:35PM
  Re: Peugeot belt length: Malossi MultivarRe: jumpsuit steve jumpsuit steve 12/03/21 05:05PM
  Re: Peugeot belt length: Malossi MultivarRe: LSLB RXb LSLB RXb 12/03/21 06:20PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 12/03/21 02:13PM
  Re: Peugeot belt length: Malossi MultivarRe: b to the eff b to the eff 12/03/21 06:07PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 05/06/22 12:27PM
  Re: Peugeot belt length: Malossi MultivarRe: Graham Motzing Graham Motzing 05/06/22 01:05PM
  Re: Peugeot belt length: Malossi MultivarRe: L e e L e e 05/06/22 01:32PM
  Re: Peugeot belt length: Malossi MultivarRe: Toledo Riot Toledo Riot 05/06/22 02:18PM

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