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Mark,
The lightest the plane gets is about 18lbs even ... with going to more carbon. I thought the issue was mine alone, but I have two identical setups....that I followed here...and these planes thermal out...no doubt. I have seen it in both of mine, plus Matt Stingers Plane. Maybe there are variations in these speed controls. Below are photos from Bakersfield IMAC Free Style. Matt Stringer is a fantastic pilot...but these are photos of his
plane thermaling out...and gettin
him last place...one minute into
the event. Bottom right is an ugly dead-stick. He did a bit of damage. The issues are not
isolated or rare.
I have moved my ESC down to the bottom box for cooling. However, I have had this plane previously thermal on me probably 8 times...and I don't trust it anymore at all. I have cleared it for use by my 10 year old to fly it for IMAC sequences...but low 3D is banned with the config.
The ESC needs to be higher amp draw...down in cowl box. Its not an airframe issue, but clearly the components are being used by us too hard...too close to the edge. Just our experience out here in the. west. If I was buying new
for this plane, there no way in hell
I would use that ESC. The motor
is marginal on power...as has been
discussed at great length in a
build forum for the Electric AJ Slick
89" at RC Groups. In fact, of all
the motor options...it just about
the least powerful. I want people
to understand this up front if they
are throwing down their hard
earned cash.
- Richard Carlton |
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Are you sure it is a thermal event? What temp is the esc showing? Could it be your batteries? I ask alot of questions because I've seen a similar circumstance that turned out to be the batteries were going open. I've flown in over 104 degrees with this setup and like I said before, no issues. Also what is your air routing over the ESC? I'm waiting on a AJ Slick and will transfer my power setup to that plane, I talked to Andrew at length about it and he really likes his setup with the Slick which is the A60-18L.