RCU Forums - View Single Post - GSP Katana 72"...DETAILED BUILD and 3D FLIGHT REPORT
Old 08-14-2003 | 01:28 PM
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Dangerous Dan
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From: gainesville, TX
Default GSP Katana 72"...DETAILED BUILD and 3D FLIGHT REPORT

I use an Hitec Eclipse 7 channel computer radio. I have the abilitity to run the elevator servos on seperate channels, but the drawback is that I have to do it on a switch with a P-mix. I lost my hanger 9 Pizzaz(dual HS 85mg) because I forgot to turn this switch on and the plane would roll left when elevator was applied, once i realized my mistake it was too late.
I desided that on the next plane I build, with dual elevator servos, I would use a miracle reversing Y to get rid of this problem. The reversing y has a pot. that you can adjust to match the center, but you loose the abilitity to match the endpoints individually. I am on a tight budget, but am willing to wait until there is enough funds to build this plane correctly. If I buy Hitec Digital servos (expensive) and a Hitec Digital servo programmer(expensive) I can reverse the servos, adjust the endpoints, and adjust the centers on a standard y. Or I could use standard HT servos on seperate channels and tie a string around my finger to reming me to check the switch, or go with the miracle Y.

One question: Why did you use HS 5925MG on the ailerons(Digital 130 or so torque extremly fast) and use three Futuba S9402 on the evevator and rudder(not digital, slower, and less torque than the HS5925MG). Why not use HS5925 all the way around($10 more each, and the same weight with better specks).

HS 5925MG $89
Futuba S9402 $79
HS81 $17
Hitec programer $159

Wow do the math