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Date:  4-7-2014
Number of Hours:  0.50
Manual Reference:  
Brief Description:  Fuel flow test - parked

I did a first fuel flow test tonight. I disconnected the fuel hose from the carburetor and placed it in a bucket (photo 2). I had the bucket marked at 1 gallon.

I opened the fuel valve by pushing in the rod I have connected to the valve (photo 1), and timed how long it took to fill the bucket to 1 gallon.

It took 82 seconds in the parked position. If anyone wants to check my math:

- 1 gal came out in 82 seconds
- Flow(GPH) = 3600 X #Gallons/#Seconds
- 3600 x (1/82) = 43.9 gph

At 0.55 lbs per HP, the Aerovee should burn:
- 0.55 lbs x 80 hp = 44 lbs/hour
- 44/6 lbs (avgas) = 7.33 gph (wide open throttle)

FAA says design for 150%, so...
- 7.33 ghp x 150% = 11 gph

So at 43.9 gph I think I have enough fuel flow ;)

Next I need to check with a steep (25 deg) climb angle.
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Fuel valve: push for fuel flow.

Fuel valve: push for fuel flow.

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Fuel line removed from carburetor, to fill graduated bucket.

Fuel line removed from carburetor, to fill graduated bucket.

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