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Futaba-RC . Next D . Fast Lad Performance

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Speed - Performance - Drag Race > 7.48 HP ,,90 motor
 
 
Geo
Senior Heliman
Location: Australia

Was reading about the boat guys Dynoing a 90 with 7.48 HP

Gee that would be a fast 3D routine

Geo
03-19-2004 Over year old.
 
 
JCadwell
Key Veteran
Location: Richland WA/ Morro Bay, CA

Water cooling does it all. We could make that kind of horsepower if we could get the heat out. The boat guys have an infinite heat sink with a constant temp gradient. We also need longer lasting engines that idle perfectly and transition well, and the boat guys want to win races. With helis skill beats power almost every time.

Thanks, John Cadwell
03-24-2004 Over year old.
 
 
Geo
Senior Heliman
Location: Australia

Yes

I agree skill does beat power
Its just that power you can buy but not skill
It grinding hard effort

Geo

This Dyno they have could refine our motors too

Thats obvious as you can see that the manufacturers dont know how to set a Squish

Geo
03-24-2004 Over year old.
 
 
the Wasp
rrProfessor
Location: Vt

he's most likely burning 50% nitro to get that kind of power...


Jim
03-26-2004 Over year old.
 
 
cass neal
Heliman
Location: san diego,cal

boats n helos

key veteran :has it right ,I have both and if you think it doesnt take any skill to drive a boat then think again!!! I crash my boat a lot more than my helo. but it is the constant temp that makes the difference and 60% doesnt hurt
05-29-2004 Over year old.
 
 
hepsibar
Senior Heliman
Location: Lancaster, Lancashire, UK

Guys -

How about wrapping thin copper tube round the head and running CO2 through it from a small co2 engine cartridge and valve. Would this cool enough to allow increased HP? And would the benefit outway the weight/ expense and cost?

If I had the parts and money was not an issue I would try this.

You could also run the pipe through the fan duct to cool the air flow and therefore run more fuel due to more oxygen. A bit like an intercooler on a car engine.



Empty Coffee Cup
12-08-2004 Over year old.
 
 
Geo
Senior Heliman
Location: Australia

100F

We run 100F cooler than we should,,,, 360F at the head is right , according to Clarence
Geo

Self confessed Inverted Auto failure
12-08-2004 Over year old.
 
 
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Ace Hobby . Esprit Model . Thunder Power RC

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Speed - Performance - Drag Race > 7.48 HP ,,90 motor
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