REFLECTOR: Best Speed for MPG

[Brian Michalk]

The engine runs most efficiently at wide open throttle and low RPM.

If you can regulate power with altitude, fly high at WOT.

On 08/14/2013 07:51 AM, Ron N VelocityXLFG wrote:
> I was wondering what the best speed per gallon of gas  has been in the 
> velocity.
> I have been doing some  work on this lately . Now my plane having a 
> alternative
> motor and a fixed pitch prop will likely not be the same as other 
> installations but
> with that said I still would like to know what Speed other velocity 
> pilots are
> finding for the best fuel mileage  has been.  I feel most comfortable 
> at 145 knots
> seems to be the sweet spot for me so far but that is also my comfort 
> zone for the engine
> rpm on my fixed pitch propeller. Now this is only about Half throttle 
> for me wide
> open I get 175 knots Or should I say 201 MPH  but I am sure my mileage 
> will go way down at the speed.
>
>
> So far for me with only a few cross country's under my belt
> Velocity XLFG LT1
> Prop RPM 2500 Prop tip speed 535 mph
> Prop Dia 72"
> At 4500 alt
> 2600 gross Weight
> Speed of 143 knots
> 280 mile round  trip
>
> I got 12 gallons an hour
> fuel burn
>
> Ron
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