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HomeAircraftHelicopterKyosho Caliber/Quest Neo-Caliber series › switching to lipo rx pack
04-06-2010 02:22 PM  8 years agoPost 1
hillbilly2239

rrApprentice

Clarksville, TN

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i have been running nimh packs for a year now and i have decided to switch to lipo and was hoping some of you more seasoned guys could give me some info. im trying to learn as much as i can about this set up, i just purchased this reg from amain hobbies, http://www.amainhobbies.com/product...tor-16awg-Deans and was wondering if anyone can tell me if they have used this reg or heard of anyone using it and do you think it will be ok. im planning on using it in my caliber 5 and need to know a good type of lipo to use. should i go with a 7.4 or 11.1 and how many mah should i get?
all input would be greatly appreciated!! thanks in advance!

hillbilly

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04-06-2010 02:30 PM  8 years agoPost 2
ShuRugal

rrKey Veteran

Killeen, TX

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well, since you're running it through a regulator, higher voltage pack wont do you any good, just makes the regulator work harder to burn off the extra juice. As far as mAh capacity goes, i'd say get one with at least as much capacity as you NiMH pack. Better yet, get the highest capacity pack you can fit without adversely throwing off your balance.

AMA 700159

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04-06-2010 03:12 PM  8 years agoPost 3
Zaneman007

rrElite Veteran

Texas - USA

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With lipos you have a couple of options;

There are three types of batteries: Lipo, Li-ion, and LiFePo4. These are all lithium batteries.

The LiFePo4 is unique. When loaded it will drop down to 6.6 volts, and remain there until the battery dies. You can run this system unregulated as long as all of your servos are rated at 6 volts.

Lipo's and Lion batteries have approximately the same nominal voltage, 7.4 volts for a 2S setup. You do not want a 3S 11 volt battery as there are no 11 volt servos and most regulators are designed for 7.4 volt lipos.

Here are your options:

1)Purchase high voltage servos all the way around run it straight.
2)Run a regulator, the one you referenced, and you will be good.

3)There are regulators that will allow you to run the lipos straight to the cyclic and drop the rudder and throttle servo to 5.2 volts.

As far as pack size goes there are a couple of routes you can take.

1) Purchase a small battery like a 1300ma or 1900ma lipo and either recharge them at the field or buy several and swap them out.
2) Purchase a big one like a 5200ma and fly all day on one charge.
3) Purchase one somewhere in-between.

Personally, I have found that the 3600ma pack works best for me, not to small and not to big. It all comes down to the weight verses the number of flights, before you recharge.

Remember different servo set ups will pull a different number of millamps per flight.

I hope that helps.

Old Guys Rule!

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04-07-2010 01:08 AM  8 years agoPost 4
hillbilly2239

rrApprentice

Clarksville, TN

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thanks for the info guys! right now i am running three hs645mg on cyclic, hs311 on throttle, which are all rated for 6v, and a 401/9253 on tail which is max of 5v. so this regulator seemed just right for my setup what do you guys think? i think i will throw a 2500 to 3500 mah pack on there should sufice for what i do. im not big into hard 3d flight i like to do sport flying you know few rolls and loops and maybe a few tic tocs now and then but no really hard flight. thanks again!

hillbilly

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04-07-2010 01:16 AM  8 years agoPost 5
Zaneman007

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Texas - USA

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That will work.

You'll like the feel of constant voltage.

Old Guys Rule!

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04-07-2010 01:59 AM  8 years agoPost 6
baby uh1

rrVeteran

St. James, Mo.

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I'm running one of my older 2100 MAH 3 cell lipos through a switch mode bec on my Caliber 30 and it works great! The switch mode regulator can use a 3 cell with no problem and I have enough wattage to fly all day.

Anything is possible if you don't know what you are talking about!

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04-07-2010 02:03 AM  8 years agoPost 7
hillbilly2239

rrApprentice

Clarksville, TN

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thanks alot again for all replies, hey zane, what do you mean i will like the feel am i going to notice a pretty big difference in servo responce?

hillbilly

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