Fuel tank vent location for Pumped 2-stroke engines & more

[Kenneth Blackwell]

Incheol,

The Webra is 2.145" and the OS is 1.896" from bottom of flange to center of
exhaust.

I have had both Webra and 3M in my hands at the same time and the 3M is much
shorter in height than the Webra...but I didn't measure it.

I bring the vent out through the FW and drop it out the bottom of the
airplane.

Ken Blackwell

----- Original Message -----
From: "Ihncheol Park" <PatternFlyer at msn.com>
To: "NSRCA" <discussion at nsrca.org>
Sent: Friday, April 18, 2003 5:41 PM
Subject: Fuel tank vent location for Pumped 2-stroke engines & more


> Hi,
> I have a question for those using OS 140, 3M 140/170, Webra 145 etc.
> I am sure that the 3M engines have only one line connecting the engine and
> fuel tank.
> Where do you people put the vent line?  Firewall?
>
> Also, would someone tell me the vertical distance from the bottom of
> mounting flange (thrust line) to the center line of the exhaust port of OS
> 140, 3M 140, Webra 145?
> Thank you,
>
>
> Ihncheol Park
> CompTIA A+ COMP10648565
> 1973 White Ave., #402
> Moscow, ID 83843
> (208) 883-7882 (home)
> (208) 661-5018 (cellular)
> PatternFlyer at msn.com
>
>
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