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Other › 1st SE flights & tp2000 puffed slightly on SE w/13t
01-27-2007 04:40 AM  10 years agoPost 1
pmcderm993

rrNovice

MN

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Just flew my new SE for the first time. Very smooth--no trimming needed whatsoever. Almost perfect but...

1st flight: 2150DN battery was warmer than when used in my XL with JGF 450TH. Seemed much shorter duration, but didn't measure it.

2nd flight: TP2000 felt almost hot and puffed slightly, but, appearance wise, returned to totally normal. Even shorter duration.

What C rating is the TP2000? I've never had a problem with the TP2000s even getting warm in my XL or mini-ultra stick.

Can I still use this battery if I watch it carefully? Is tht 13t with the Align motor too much for it? Would my other TP2000 be okay with a 12t? I just do FF. Should I reserve the TP2000s for the mini-stick?

I plan on selling the XL. Should I swap the Align motor out with the JGF 450TH from the XL before selling it?

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01-27-2007 06:52 AM  10 years agoPost 2
BikeNBoatN

rrVeteran

Santa Ana, CA USA

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Puffing is usually a sign of over-discharging and leads to a pack's early death. How long are you flying? If you're flying till the esc low voltage starts cutting out power, you're flying for way too long.

After puffing a couple Apex packs with 8-10 minute flights, then a couple more with 7-8 minute flights, I now set my timer to 5 minutes and haven't had any more problems. In the long run, I'd rather have more, short flights instead of fewer, long flights, before the packs die.

Brent
Slow and Smooth 2-D Scale Flyer
AMA #35431

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01-27-2007 07:38 AM  10 years agoPost 3
Pyrock

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SF Bay Area

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I'm not sure about the TP 2000's but I have a 450TH in my SE and one of my batteries is a Kokam 2000 and it works great. I get around 7 mins of cruising with light aerobatics. Probably 5-6 mins of harder 3D.

Trex 500, Stretched Logo 10 3D, Ion-X, Gaui 200

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01-27-2007 12:54 PM  10 years agoPost 4
Gazzer

rrVeteran

Hope Valley, UK

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The 450TH is a very efficient motor and hence runs cooler. If it were me I would certainly use the 450TH in the SE and dump the Align motor in your old heli!

<--Raptor 60--Raptor 50--Mini Titan E325-->

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01-27-2007 01:52 PM  10 years agoPost 5
SilverBullet

rrApprentice

Bentonville, AR USA

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Can you use a 25A ESC with the 450TH or do you have to use a 35A? What does the extra 10A do?

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01-27-2007 02:02 PM  10 years agoPost 6
ckoelliker

rrElite Veteran

St. Simons, GA

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You should make sure that you are set up correctly. i.e. that your main gear mesh and tail belt are not too tight. This will definitely put some added strain on your motor and battery. Also you did not mention your flight time. If you are flying too long you are going to shorten the battery life of any lipo that you are using. Also how old is the battery? Maybe you have just been a little bit hard on it and it is starting to go. The tp prolites do run on the warm side, but they can handle the align motor and the 13 tooth pinion. Saying that if you have a better motor why not switch. I have never used any of those brands so I can not comment on their performance or efficiency. However check your gear mesh, belt tension, and flight time to make sure that those are not contributing to the extra heat in your battery.

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01-27-2007 02:41 PM  10 years agoPost 7
Gazzer

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Hope Valley, UK

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For everything but maybe hard core 3D you will have no problem using a 25A ESC with the 450TH

<--Raptor 60--Raptor 50--Mini Titan E325-->

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01-27-2007 04:54 PM  10 years agoPost 8
helimatt

rrElite Veteran

Lafayette, IN

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Assume your using the Align motor, but nobody mentioned make sure the throttle is above say 80%+ for all flight conditions. Lower throttle is less efficient for both the ESC and the motor, so use more AMPs to fly. Run up that motor rpm, control lift with pitch, you'll be much happier.

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