KR> VW mechanical pump or electric pump

2014-02-08 Thread Phillip Hill
I did a little checking and you can't push fuel through the VW mechanical pump so a backup system would entail, at minimum, a couple check valves and an electric pump...a bit more complicated that I care to make it. I see Facet has pumps that will flow through so you can run them in series as a bo

KR> VW mechanical pump or electric pump

2014-02-08 Thread Pat and Robin Russo
How about NO pump? Gravity from header tank only. Though I have used electric pump to feed the header tank-from wing tanks. -Original Message- From: Phillip Hill Sent: Saturday, February 08, 2014 10:14 AM To: KRnet Subject: KR> VW mechanical pump or electric pump Hi guys and g

KR> VW mechanical pump or electric pump

2014-02-08 Thread peter
Why not copy the Piper design with a mechanical (diaphram) and electric in series? Diaphrams do fail, but only from neglect. I'd use a stock VW pump and replace it every other year in an excess of caution. Peter >All the VW s I've had over the years,> I don't recall ever having one go bad.

KR> VW mechanical pump or electric pump

2014-02-08 Thread Dan Heath
[mailto:krnet-bounces at list.krnet.org] On Behalf Of Phillip Hill Sent: Saturday, February 08, 2014 10:15 AM To: KRnet Subject: KR> VW mechanical pump or electric pump Hi guys and gals. I'm going to opt for a GPASC flywheel drive engine on my KR2. So the question is, mechanical pump or

KR> VW mechanical pump or electric pump

2014-02-08 Thread Mark Langford
Phillip Hill wrote >All the VW s I've had over the years, > I don't recall ever having one go bad. I'd like to have a plan b though. > What you all think? One thing to consider is that when the VW pump does fail due to a diaphragm rupture, fuel is free to flow into the engine block, and things

KR> VW mechanical pump or electric pump

2014-02-08 Thread Mark Langford
Dan Heath wrote: >>It should not be a problem with the mechanical if fuel can be pumped thru the mechanical if it stops working. The Facet electrical will flow thru.<< There are some Facet pumps that have what Facet calls "positive shutoff" (PSO), which besides being an anti-siphon valve, shuts

KR> VW mechanical pump or electric pump

2014-02-08 Thread Phillip Hill
Hi guys and gals. I'm going to opt for a GPASC flywheel drive engine on my KR2. So the question is, mechanical pump or electric. I'm thinking using electric pumps instead of the mechanical for the ability to have a backup pump. It will be simpler to implement a backup solution with the electri