Help Twin Jet Im Thick (Full Version)

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shozzy69 -> Help Twin Jet Im Thick (8/25/2003 2:29:44 AM)

HI HOPE YOU CAN ALL HELP GOT A TWIN JET AND WAS HAVING GREAT FUN BUT UPRATED MOTOR'S TO THE NEW JAMERA HSBB 480 ONES THEY HAVE GOT LOADS OF POWER AND HAD TO PUT ON THE BOLT ON GUNTHER PROPS IVE GOT A 50 AMP SPEED CONTROLLER IN THERE AND 8 CELLS 3000 MA BUT I NOW TOSS THE MODEL OFF IT CLIMBS FOR A BIT THEN BANKS TO THE RIGHT AND NOSES IN WHAT AM I DOING WRONG BOTH MOTOR'S SEEM TO HAVE LOADS OF POWER IS ONE MEANT TO SPIN ONE WAY AND THE OTHER THE OTHER WAY I DONT KNOW PLEASE HELP
SHOZZY



3DFanatic -> Help Twin Jet Im Thick (8/25/2003 5:37:52 AM)

Check your CG. Sounds a little tailheavy.



shozzy69 -> Help Twin Jet Im Thick (8/25/2003 11:39:18 AM)

the cg is spot on so still lost pleae help
daz



3DFanatic -> Help Twin Jet Im Thick (8/26/2003 6:12:38 AM)

How much airspeed did you have when you banked? The motors can have all the horsepower in the world but if you don't have airspeed in a turn, it won't matter.



daveslats -> RE: Help Twin Jet Im Thick (9/8/2003 5:44:34 PM)

Shozzy,
The Twinjet needs lots of air over its wings, otherwise it's going to stall, which sounds like what has happened to you. That initial climb you mention may only be a result of your initial toss. Sounds to me like you may have one of your props the "right" way round. In order for your twinjet to fly properly, you MUST invert the props (have the writing on the props facing to the front of the plane, AND reverse the polarity of the motors, so that, as you look at the props from behind they should be turning clockwise. With two 480s you should be into vertical in no time. In order to invert the props you will have to take out the little black spinner and put it in from the other side.
Also, is your battery pack a NiMH? Sounds like it may be. They are notorious for not giving up enough amperage on take off. Also, did you peak-charge the batt?



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