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Forum: Tachometer Readings

04-18-2014, 12:23 PM

Replies: 7

Norvel BB .15

Views: 1,722

Posted By aspeed

Made a Turbo head for it. It wasn't making more...

Made a Turbo head for it. It wasn't making more than a couple hundred rpm more. Couldn't measure it anyway. Looked at the stock plug, and there was a .030" step down to the plug on the inside. ...

Forum: Tachometer Readings

03-07-2014, 07:44 AM

Replies: 7

Norvel BB .15

Views: 1,722

Posted By aspeed

The stock venturi is .196" or 5 mm. That is an...

The stock venturi is .196" or 5 mm. That is an ok size, but there is a spigot and needle that restricts the hole to almost half of that. The carb was designed to run reliably, and not so much to...

Forum: Tachometer Readings

03-05-2014, 05:00 PM

Replies: 7

Norvel BB .15

Views: 1,722

Posted By aspeed

Just digging up this old thread, I have been...

Just digging up this old thread, I have been thinking of making a Turbo head for this motor. I have a good feeling about it. It is a strong motor already, and I have been having good luck with...

Forum: Tachometer Readings

09-06-2012, 07:29 AM

Replies: 7

Norvel BB .15

Views: 1,722

Posted By aspeed

Norvel BB .15

Norvel .15 BB, 7-5" MA G3 prop, 10% nitro, no muffler, RC carb 16,900 rpm, Home made control line carb. .202" dia. clear hole(no spraybar poking through) 18,900 rpm.

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