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Avant Aurora Fuel Tank/Engine Mod

June 6th, 2009 No comments

After 50 or so flights I noticed engine running lean and fuel dripping from the tank. As it turned out I had a crack in the fuel tank around the fuel stopper hole. The problem was when the tank is under pressure (it’s a lot as I’m running a OMI Cline carb mod) and expaning it caused the plastic fuel stopper cap to press against the top engine mount bolt. In turn the fuel stopper hole is levered and all the engine mount vibrations where going into the fuel stopper hole. Obviously the tank eventually gave out and broke. You can see from the picture of the tank below which I epoxyed where the crack developed.

Avant Aurora Fuel Tank

A simple solution to the problem is to swap out the offending engine mount bolt with a 4mm rounded head bolt. The fuel stopper cap then easily clears the bolt when the tank is pressurised.

Fuel/Engine mount modification

Aurora build help (invaluable)

June 5th, 2009 No comments

Avant Aurora build videos can be found here (you’ll need a login but it’s free):
http://www.helifreak.com/showthread.php?t=75327

Avant Support Forum
http://www.avantrc.com/support

Avant Aurora Manual

Aurora Manual

Aurora Build Pictures

June 5th, 2009 No comments

Avant Aurora Build #1

Avant Aurora Build #2

Avant Aurora Build #3

Categories: Avant Aurora, RC Heli Fleet Tags:

Old Aurora Canopy

June 5th, 2009 No comments

This is my first attempt to spray a canopy which turn out ok other than the fact that the clear coat got eaten by nitro :(

Avant Aurora old canopy

Categories: Avant Aurora, RC Heli Fleet Tags:

Avant Aurora

June 5th, 2009 No comments

New Fusuno Canopy

Avant Aurora

The new Fusuno Canopy represents great value for money. However the first one I got the rear standoff holes were about as strong as a cornflake and had to be return and replaced.

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