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Forum: Tachometer Readings

09-28-2013, 01:29 PM

Replies: 4

ASP/Magnum .15 Blue Head

Views: 2,334

Posted By aspeed

I made the cutter from an old chipped 7/16th inch...

I made the cutter from an old chipped 7/16th inch endmill and ground a radius the end. It is good for .07 to maybe a .40 size combustion chamber. The old...

Forum: Tachometer Readings

09-28-2013, 07:33 AM

Replies: 4

ASP/Magnum .15 Blue Head

Views: 2,334

Posted By aspeed

I just used a dremel tool. I didn't make a very...

I just used a dremel tool. I didn't make a very big slash because the crank is pretty hard and the stone was wearing fast. Probably a good idea to put a piece of fuel tubing over the crankpin so it...

Forum: Tachometer Readings

09-25-2013, 04:42 PM

Replies: 4

ASP/Magnum .15 Blue Head

Views: 2,334

Posted By aspeed

OK I put a slash in the crank like the car guys...

OK I put a slash in the crank like the car guys do, and radiused the rod a bit, and it goes 18,200 rpm. I spent a couple of days making some Turbo heads and put one on this motor. 20,500 rpm. I...

Forum: Tachometer Readings

09-06-2012, 07:16 AM

Replies: 4

ASP/Magnum .15 Blue Head

Views: 2,334

Posted By aspeed

ASP/Magnum .15 Blue Head

ASP .15, no muffler, 7-5" MA G3 prop, 10% nitro 17,600 rpm.

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