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HomeScaleAircraftHelicopterScale Model RC Helicopters › Help! Jet Cat "outlet for air flow" heating problem
08-08-2012 07:56 AM  5 years agoPost 1
Hawk079

rrNovice

Switzerland

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Hi Guys! I did yesterday my first flight with my new machine.

After 4-5 min of flight i observed this heating trouble on the paint's jet "outlet for air flow".

What can i do to solve this problem?

Swiss Pilot

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08-08-2012 10:12 AM  5 years agoPost 2
modtron

rrKey Veteran

Oxford. UK

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It all looks a bit to tight - you will need to have at least a 3mm air gap around the outlet for air flow.
modtron
Oxford UK

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08-08-2012 10:26 AM  5 years agoPost 3
PETER ROB

rrElite Veteran

Devon UK

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twin wall
your exhaust, the inner, needs to be longer than the outer
this will then draw cooler air through the gap between inner and outer walls
What you have at the moment is the outer wall acting as the exhaust and getting too hot
And as Modtron said too close to the body

Another note you need to put spacers between inner and outer walls, to keep the gap even, if you do not the you will still get the same over heating problem where the 2 touch
Peter R

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08-08-2012 12:31 PM  5 years agoPost 4
Hawk079

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Switzerland

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Tks Guys for your advices. So could I add a piece of iron (in the inner exhaust left side) to increase the outflow and avoid the heating problem?

Swiss Pilot

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08-20-2012 11:57 AM  5 years agoPost 5
Hawk079

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Switzerland

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Hi Guys!
I solved the problem! No more heating influence on the fuselage.....

Swiss Pilot

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HomeScaleAircraftHelicopterScale Model RC Helicopters › Help! Jet Cat "outlet for air flow" heating problem
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