Transplant

[CLsnyder]

----- Original Message -----
From: James Montebello <jamesm at talarian.com>
To: <diy_efi at efi332.eng.ohio-state.edu>
Sent: Monday, May 03, 1999 11:17 PM
Subject: RE: Transplant


> > What engines used roller bearings?  What applications?
> > Shannen
>
> A great many engines use roller bearings.  The bottom ends
> of most two-stroke engines are all roller bearings.
>
SNIPP
> In all cases, the crankshafts are multiple pieces pressed
> together around the bearings and one-piece rods.  For very
> high-stress operation, these bits would be welded together.
> If the crank needed to be rebuilt, the weld was ground off,
> and the parts pressed apart.
>
No, not all. OMC uses an automotive style crank with split caps and rollers.

> Most of these engines are not low power applications, either.
> The two-stroke GP machines made today produce in excess of
> 400hp/liter unsupercharged.  The big roller bearing Suzuki
> and Kawasaki engines are very popular in drag-bike applications.
>
> james montebello
>
>