Originally Posted by marvi
thanks for the inputs
is there a difference between rayaracing's method and osrocket's method? pros and cons on each pinching service, from anyone who tried both?
First most RayAracing resizing method is with tooling designed just to resize sleeve cylinders. An alloy reconstruction process that reforms the sleeve alloys using internal and external control. state of the art equipment I spent 1 full year developing between late 2001-2002, that which has made it possible for many engine moders / clubs / hobby shops to resize rc nitro engine piston & sleeve sets. The guys out there resizing with success, are tooled by RayAracing.
You see in a previous post mentioned by Brian K contributing writer of XRC magazine he did an article on both my reconditioning-resizing work, and with tooling itself at hand to inspect and use himself. Thank you again BK and XRC magazine! Anytime you guys are ready to run another article on my reconditioning-resizing work as it is now in 2009 please feel free to call on me.
Finally, After inspecting thousands of piston and sleeve sets before servicing we have found that 9 of 10 sets are with from minor to moderately damaged surface finish conditions. As you guys know the sealing capabilities these 2 cycle ringless piston engines in both power cycle and mixing cycle are established (fit & finish) both cylinder wall to piston clearance/mated surfaces. Pinching is only half the job with renewing engine life. With that said we at RayAracing improve surface finish conditions before we resize. It simply provides better results than any other process/method used today.
Racers and hobbyists are encouraged to email me, text me with any questions. Please donot personal message me as I do not get a chance to sign on here as often as I'ed like.