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Author Topic: OS FP 35 Venturi size  (Read 969 times)

Online Tim Wescott

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OS FP 35 Venturi size
« on: July 02, 2014, 04:25:04 PM »
A friend asked me if I could make him a venturi for an OS 35 FP.

I said "sure!".

It has a stock OS needle.  I was planning on making one at whatever size the consensus here seemed to call out, and one that's 1/64" bigger, so he can mess around with what he likes best.
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The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

Offline Dane Martin

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Re: OS FP 35 Venturi size
« Reply #1 on: July 02, 2014, 10:14:41 PM »
on suction? .250
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Online Tim Wescott

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Re: OS FP 35 Venturi size
« Reply #2 on: July 02, 2014, 10:35:28 PM »
Suction or muffler.  He'll want it for sport/stunt flying.
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AMA 64232

The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

Offline Steve Helmick

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Re: OS FP 35 Venturi size
« Reply #3 on: July 02, 2014, 11:55:00 PM »
I'd say .265". Can always be drilled out later, but can also be 'reduced' with a layer or two of nylon mesh from a pair of pantyhose. I wouldn't bother to make two, unless you already made the offer.  D>K Steve
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