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HelicopterEngines Plugs Mufflers Fuel › Fuel Usage: 90's vs 50's. Is it that much?
04-07-2011 12:16 PM  6 years agoPost 1
davehour

rrElite Veteran

Guayama, Puerto Rico​00785

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Hi:

I'm wondering how different is the actual fuel usage between a 90 and a 50 size heli.

Although a rough ideal might be seen by comparing the engine sizes, there are other factors that affect the fuel usage.

90's fly at lower headspeeds. Likewise, there are engines in the same class that are more fuel efficient than others. Flight duration is another key indication. These mentioned figures, in fact, can make the actual difference in fuel usage between 90's and 50's not that much as thought.

To help find that out, please post your actual experiences with 90's and 50's. What we find might be interesting.

Thanks in advance.

David

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04-07-2011 12:23 PM  6 years agoPost 2
heli-cuzz

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Pittston, Pa. USA

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Between my 50 and 90. The 90 gets 6 flights per gallon and the 50 is 10 flights per gallon.
Both are about 9 minute flights so the 50 gets about 36 minutes more per gallon.

Fury 55 NIB Furion6 CGY750 fbl helicopter-Frenzy CGY750 fbl nitro-Frenzy fbl NOBAR90

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04-07-2011 12:30 PM  6 years agoPost 3
jschenck

rrProfessor

La Vista, NE.

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^^ exactly.

Another way to look at it. My 90 costs about $3.50/flight in fuel. My 50 is about $2.00/flight

YMMV <smiley>

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04-07-2011 05:40 PM  6 years agoPost 4
chopper_crazy

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Delphos, Ohio

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that will be as accurate of information as you will get Nice work guys.

It's a complex, costly, glow powered anti-gravity machine!

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HelicopterEngines Plugs Mufflers Fuel › Fuel Usage: 90's vs 50's. Is it that much?
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