Dee, I agree with Rob... I too, do not have a check valve, and fuel flow is
dictated in the Posa Injector, by the opening of the mixture control lever. If
you notice, the fuel entry to the injector is through the mixture valve. To
properly set it, make sure that when the mixture is fully retarded (pulled
back) the mixture valve is fully seated in the closed position, then while
cranking to start the engine, advance the mixture control and fuel will start
flowing to start the engine or likewise, crack the mixture valve when you are
doing your initial 5 prop turns by hand as we discussed earlier for a quick
engine start.
To ensure that no fuel is flowing when securing your airplane at the end of
your day, retard your mixture control and shut off your main tank fuel valve
also. Just keep it simple. Best regards
Luis
On Monday, July 24, 2023 at 09:47:33 PM CDT, Sid Wood
<[email protected]> wrote:
I put a check valve in parallel with the VW engine-driven fuel pump. The VW
fuel pump will not flow fuel if the engine is not running. The electric
backup fuel pump cannot push fuel through the VW fuel pump. So, had to put
the check valve in parallel with the VW fuel pump to get fuel to the carb
for starting.
Sid Wood
California, MD.
-----Original Message-----
From: ROB SCHMITT via KRnet
Sent: Monday, July 24, 2023 10:24 PM
To: KRnet
Cc: ROB SCHMITT
Subject: Re: KRnet> Thanks for all the help ... For the assistance starting
my KR2
Remove the check valve! I don’t have one on my fuel system, it will just
cause problems.
Rob Schmitt
Sent from my iPhone
> On Jul 24, 2023, at 7:03 PM, dee david via KRnet <[email protected]>
> wrote:
>
>
>
> I would like to say thank you to the entire KR community and especially,
> Luis
> with regards to getting my plane started.
>
> I now have the engine running on all 4 cylinders. - it does sound nice.
>
> The caveat right now is that I am taking the fuel straight to the throttle
> body.
>
> Still having issues with the vacuum operated check valve.
>
> Thanks
> --
> KRnet mailing list
> [email protected]
> https://list.krnet.org/mailman/listinfo/krnet
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