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Old 04-22-2013, 11:03 AM   #21
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Re: Battery pack and fuel

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Thank you everyone for your answers and tips i really appreciate it. Now i heard that higher voltage batteries can fry servos and receivers. What kind of battery do i need for my trainer so i dont have to charge it every 5 min

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Old 05-03-2013, 02:53 AM   #22
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Re: Battery pack and fuel

LIFE batteries charge to just around 7.2 volts and quickly drop below 7 volts after charge. NIMH and NICD standard 6V packs charge to 7.25 and stay around there so LIFE 2s packs won't fry your standard type receiver or servos and LIFE are the best. I have used them all and most of our club even uses LIFE 6.6V 2S packs for 30in WS to 100in.+ WS models. They work, they do not self discharge and they are inexpensive. Look at Hobby King as someone suggested for 1100mah or 1800mah packs and an inexpensive charger that does NIMH, NICD, PB, LIFE, LION, LIPO and you will be set for awhile.
If you use a 1100mah or 1800mah LIFE you will get several flights out of a charge.

I would be leery of that radio. It is not a Futaba standard 2.4 system and range may be less. Look at Hitec suchas Optic 6 2.4 even though older design it has the latest type 2.4 full range. Other like Spektrum, Airtronics, etc. can be looked at. Best is something used at the club you will fly at.

In this case ignore the signature below!!!

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Old 05-03-2013, 12:40 PM   #23
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Re: Battery pack and fuel

so i went ahead and bought Futaba 8JA 8chfor $279 at greathobbies. Next week im going to Calgary and will look for the battery pack and charger, and i also need fuel.
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Old 05-03-2013, 01:49 PM   #24
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Re: Battery pack and fuel

Good for you.

I really like my FMA chargers, good units and very safe. I also use omega 10%. I like the little bit of castor for protection both from lean runs and corrosion. Just make sure you spin your engine good at the end of the day. You do not want any left over fuel in the engine.

I also have one of these chargers and 8 of these battery packs, all have worked well for me. The battery also comes with a Futaba/Jr connector which is not shown in the picture. The battery would allow you to fly all day on a charge and you will have room in your plane and it weighs very little. Your Rx and servo's will also be fine on them. With a charged battery you would make a couple of flights and then charge the battery. Your charger would tell you how much mAh you have put back in the battery. Fly as many flights as you want to use 1200 mAh before needing to recharge the battery. That way you are leaving a very safe margin. Use the banana plugs and black futaba/Jr connector to charge the battery with charger set to life.

That's it, and the best part is all this costs just $50, possible a couple of dollars more for converting to CDN. If you want to buy from your LHS that's great too.

PS you could also add an item that weighs 113 grams or less with no increase in shipping cost.
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