REFLECTOR: Franklin Spline Drive Fuel Pump

[Laurence Coen]

I am using a Weldon fuel pump on my Franklin.  It is a vane pump and I think 
the PZL pump is also.  I tried to blow through the Weldon pump and nothing 
happened.  I, of course, plumbed in a by-pass.  If you can't blow through 
your PZL pump, you need a by-pass.

Larry Coen
SE/RG Franklin

----- Original Message ----- 
From: "Donald Royer" <djroyer at earthlink.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Saturday, November 26, 2005 5:05 PM
Subject: RE: REFLECTOR: Franklin Spline Drive Fuel Pump


> The way that it is made, it is hard to see how a pump failure would equire
> a bypass. I don't have one.
>
> Don
>
>
>> [Original Message]
>> From: Jeffrey Clough <jclough at gci.net>
>> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>> Date: 11/26/2005 1:37:55 PM
>> Subject: REFLECTOR: Franklin Spline Drive Fuel Pump
>>
>>   I have the newer fuel pump on my Franklin engine and am plumbing the
>> fuel system. Does the spline drive engine driven fuel pump allow fuel
>> flow through it if the pump fails or do I need to plumb a bypass with a
>> check valve around it for a possible pump failure?  Thanx   Jeff C
>>
>>
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