AA vs. Lipo - Who's with me?

[Hans]

A wild thought i had when brainstorming with Greenace92 (guy builts awesome affordable slopesoarers, keep an eye on his progress)

I weighted four 3000Nimh penlite (AA) battery's: 120gr exact, using a Holder (http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=16375).

A 3000mah nanotech lipo (http://www.hobbyking.com/hobbyking/store/__11918__Turnigy_nano_tech_3000mah_2S_25_50C_Lipo_ Pack_.html) weights 164gr.

So when flying long range (or any other non-fast manouverable flying experience), what would be the downside of powering your RC-Receiver and servo's with a seperate AA-pack instead of those deadly expensive heavy hazardous Lipo's? Good chance that when your engine runs dead, you still have control no?

Also, a lipo is empty from one moment to another, but don't your servo's slow down over time when using AA, thus warning for problems to come?

Crashing a lipo always sucks, especially if you have to wait for a new one. But AA's are available at any gasstation. It could be the difference of going home or one more flight :)

[Legot]

That's the way gassers do it, they either use Nimh or LiFe packs.

Because they need a way to power their servos. no reason it wouldn't work. Personaly I like regulators more than Rx packs, but if I can get hold of some, I think I'd use Life,
The advantage being better power density in the Life's without having to run a regulator.

Best of both worlds IMO. (not to mention you can charge them fast as hell and run them down really low with no ill effects)

[Moelich]

I use a 2s LiFe pack on my composite slope glider, and it runs the rx plus five digital servos without a problem, without BEC. One charge can keep me flying for hours.