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Message-ID: <002301c56036$a09a89b0$966eecdc@george>
From: "George Lendich" <lendich@optusnet.com.au>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-961407@logan.com>
Subject: Re: [FlyRotary] Injector Valves (was Re: Technical Advisor)
Date: Tue, 24 May 2005 17:41:25 +1000
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Ian,
What is the size of the hole in the jet?
George ( down under)

> Hi Richard,
>
> Do the injector valves vary the amount of oil injected based on load?  I
> have dissassembled a pump from a 13BT and it looks to be a positive
> displacement type with no apparent pressure relief function.  I do not
> have any "injector valves", just plain old banjo bolts that thread into
> the housings, a jet sits in the bottom of the hole below the banjo bolt.
> What am I missing?
>
> Thanks -- Ian
>
> ------------------------------------------------------
>
> Georges,
>
> the 12A pump is way to small for the 13B. According to the spec. the 12A
> pump is pumping 2.0 - 2.5 cc  in 6 minutes on its two lines with the
> engine running at 2000RPM.
> The 13B NT does 4.5-5.5 cc on two lines in 5 minutes engine running at
> 2000RPM. The Turbo setting does 5.2 - 6.6 under the same condition.
> One more thing, if you use the OMP. You must retain the injector valves
> sitting on the rotor housing and the intake manifold. Their vacuum line is
> hooked up to the intake plenum. These valves do the oil injection, the OMP
> only supplies the oil!
> I hope this answers the question.
>
> Richard Sohn
> N-2071U
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>