Flyin Hawaiian
Posts: 815
Joined: 4/28/2005 From: Orlando,
FL, USA Status: offline
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Hey guys, thanks for the response, I have done it both ways with-out any failures. My 102" QQ Yak has module on the outside w/ battery & regulator. My AW QB Extra 260 had the ignition gear inside of the box. On this project I am opting to go with NiMh 1900-2700 mah battery. I am not going to put an on/off switch or regulator. Since I have a Smart-Fly Optical Cut-off switch. I can shut the ignition down with this at the field. I just got to unplug the battery when I get done flying. By eliminating the switch and regulator it will be as light as a 1900 mah li-po w/ reg and switch, and I eliminate two potential failure points. One of my flying buds VooDoo aka Krillbill, had his Fromeco Regulators fail........twice, causing him much damage to his brand new 35% Krill Katana. The plane has been repaired and flying again. But needless to say, he almost lost the plane all together. I will probably just put the module on top of the box, so I would not have to drill out a big hole on the sides of the motor box for the plug wires. I will put the NiMH batter inside the box next to the Smart-Fly Optical Cut-off receiver, this should help keep the battery cool and away from the heat of the engine. I already have two Duralite 4000 mah Lith-ion redundant batteries and will be using them on my Duralite 40/16 Power box. I will mount those last after the whole plane is almost put together so I can adjust for CG. With Carbon fiber pipes, I may not need to mount these batteries too far forward.
< Message edited by Flyin Hawaiian -- 12/6/2007 8:17:37 PM >
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Rennie "Fly Low & Slow & In Control!" Team Extreme of extremeflightrc.com / B & E Graphix
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