REFLECTOR:Re: RG vs. Fixed

[Scott Derrick]

Jack,

Have you flown a fixed triangle course to get these numbers, as GPS 
ground speed will lie unless you average it over a triangle or square 
course?

Thast a very impressive speed, what kind of Velocity, engine, prop are 
you using and what is your fuel burn at that speed?

Scott

jack davis wrote:
>>I am not really sure what the speed loss >would be with a good fitting
> 
> farings.  I >think 10kt could be high.  I have a IO->360 @210hpw/
> 10-1pistons and mt.  I >true at 178kts balls to the wall above >8K.  What
> about other' fliers REAL no >B.S. #'s.
> 
> I can honestly say that I get much higher true airspeeds and the GPS
> confirms what I'm seeing.  I true to about 187-190 KTAS.  Of course, I have
> made modifications including flush mounted windows, flanged main gear doors
> and tightly fitting nose gear doors, aileron gap seals, low drag oil cooler
> ducting, modified cowling, and tight seams everywhere.  I don't know what
> any of these things are worth individually.  I am working on a mod that will
> completely enclose and streamline the main gear, but don't know if this will
> add any more speed.  I can tell you that I love every knot I gain.
> Aerodynamic efficiencies are so much better than adding more horsepower.
> When you are flying long cross-countries, a 30 or 40 minute cut in time is
> well appreciated.
> 
> Jack
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