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Forum: Gas Engines

01-10-2011, 11:00 AM

Replies: 49

TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

Views: 4,734

Posted By Truckracer

RE: TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

I guess I'm a bit bummed they chose to change to the cantilever crank design. Now the engine is just another 3 letter, Chinese DA sorta look alike. I thought refinement of the original design could...

Forum: Gas Engines

01-10-2011, 09:13 AM

Replies: 49

TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

Views: 4,734

Posted By Truckracer

RE: TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

The full floating bottom end on the rod scares me a bit .. especially the caged bearing. It looks like rod travel is limited to the rear by the tight fit in the piston but the bearing could still...

Forum: Gas Engines

12-26-2010, 10:17 AM

Replies: 49

TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

Views: 4,734

Posted By Truckracer

RE: TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

I wish them well. There should be a good market for the case mounted, side carb design. These fit well in short, round cowl airplanes. My older 3MM fits completely inside a Yellow Aircraft Zero cowl...

Forum: Gas Engines

12-26-2010, 10:00 AM

Replies: 49

TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

Views: 4,734

Posted By Truckracer

RE: TOC 53 have been Upgraded - TMM53N Bench Testing Run , Lighter & More power out

In a world where everybody wants lighter weight engines, there is really only one area to cut a lot of weight in a hurry .... get rid of the rear crank counterweight, shaft and bearing! Those are all...

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