REFLECTOR: Franklin Fuel Pump

[Brian Michalk]

Electronic fuel injection.

If one wanted to use this on a carb, then a low pressure regulator is 
needed.  I'm not sure if a stock regulator goes that low.  It shouldn't 
be too difficult to build one out of fittings, a spring and ball bearing.

On 11/24/2010 2:37 PM, W J Wilbeck wrote:
>
> 45 PSI Wow!
>
> I am pretty sure that if you are using a carburetor the MAX Fuel 
> Pressure should be 7 PSI.
>
> wj
>
> *From:*reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] 
> *On Behalf Of *Brian Michalk
> *Sent:* Wednesday, November 24, 2010 2:31 PM
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* Re: REFLECTOR: Franklin Fuel Pump
>
> Are you running the diaphragm pump, or the newer rotary vane pump?
>
> If it's the rotary pump, then that will need to be sent in for repair.
>
> I machined an adapter for a sprint racing fuel pump for my airplane.  
> The issue with adapting mine to anything stock, is you will need an 
> external fuel pressure regulator.  I'm running 45PSI.
>
> On 11/24/2010 2:17 PM, aminetech at bluefrog.com 
> <mailto:aminetech at bluefrog.com> wrote:
>
> I think my fuel pump is going bad.  On several occasions, my engine 
> has stalled at idle, both after landing and when taxiing for T/O when 
> the engine is warm from a previous flight.  I notice that just before 
> it stalls, my fuel flow indicates as little as 0.1 gph (normal idle is 
> around 2 gph).  If I turn on the electric pump, the flow jumps to 5-20 
> gph for a second or two and then levels out at the ususal 2 gph (and 
> it doesn't stall).  Is this something I can repair, or is it better to 
> send it in for repair?  The older diaphram pump was replaced before I 
> bought the plane.
>
> Thanks,
>
> John
>
>   
>   
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