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1. 02:31 PM - Re: Fuel system (Robert Oliver)
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--> FEWMustang-List message posted by: "Robert Oliver" <rocslo@charter.net>
Hi Ken: Sorry about the delay in getting back to your questions back on the
4th. Have been out of town. I have a TF-51 with the stock ZZ3 Chevy 350
engine, 86 inch MT prop, the FEW PSRU reduction unit, Airflow performance
fuel injection system, and the MSD ignition system. Originally I had the
Blackhawk PSRU unit on it but was never happy with it because it did not
seem aircraft grade. The new FEW unit is really aircraft grade and I am
more than pleased with it. I have about 20 hours on it and Ed Hullinger put
another 11 hours on it on a test stand. I take off at full throttle and
4500 RPM, pull back to 4300 RPM in the climb and get an easy 2000 FPM in
climb with a fuel burn of about 20 GPH. I generally cruise at 22 inches MP
and 3400 RPM. at a speed of about 180 - 190 MPH and a fuel burn of 11.8 gph.
I have had the a/c up to 290 mph in a test dive and other than heavy on the
controls, no problems. My stall clean is about 78 MPH and with flaps and
gear down, about 70 MPH. I am using the gear design as furnished by Jim
Kern and have had no problems with it in the total hours I have flown. Have
never had to use the emergency gear release but have tried it in flight and
it worked fine. I am using the stock oil pan that came with the engine and
have never seen any oil pressure fluctuations in flight but have never flown
it inverted. I use a Corvette heat exchanger between the oil filter and
engine for oil cooling. My oil will get up to about 215 F in climb but
drops down to about 190 F in cruise. My water temp. stays about 195 F which
is my thermostat temp. The PSRU runs about 160F. The PSRU has its own
dedicated oil system. I always fly with air scoop door closed in flight. I
land the a/c with 20 degrees of laps and make wheel landings as that is the
way it seems to want to land. It is really well tamed on the ground and
does not seem to have any bad habits in the air. It does have a lot of
rudder which needs watching. I do not notice any particular torque on
takeoff. I feel that I have more than sufficient power but have never flown
with anyone in the back seat, although have flown with 175 pounds of lead
shot in the back seat and it felt fine. The aircraft is a real attention
getter at the airports and am always getting requests for a flyby. I hope
this answers most of the questions you may have and if you need more info,
let me know. Robert Oliver
----- Original Message -----
From: <PolymerDesign@aol.com>
Subject: Re: FEWMustang-List: Fuel system
> --> FEWMustang-List message posted by: PolymerDesign@aol.com
>
> Hi Bob. Can you give us some more flight info on your plane since you've
> got so many hours? Cruise at full throttle and at 3400rpm? And stall and
> approach speeds? Also which redrive you're using and hp of engine.
Etc. Ken
> Gottschall
>
>
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