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T-REX 250 › Largest Battery Size for 250?
12-12-2008 05:11 PM  8 years agoPost 1
docjoe

rrElite Veteran

Stockton, CA United States

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I just wanted to know if you guys that are already flying the 250 can tell me the largest battery that you could put into the 250.

Here's what I know that will fit:

Outrage 3s 800MAH 18x25x73mm 65g
Align 3s 800 22x30x55mm 68g

Here's what I would like to try:

TP 3s 1320 19x34x65mm 85g
Zippy 1000 18x34x73mm 86g

It's about 17-20 extra grams which I think may make a big difference in such a small bird but at the same time, I have a TP 1320 and I would think it would be nice to have a little extra flight time.

Would the Dimensions work as well?

BTW, the Zipp batteries are 25c and are about 11 dollars each!

Joe
We haven't seen Colonel Angus around these parts for years!

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12-12-2008 05:13 PM  8 years agoPost 2
S76 Mech

rrElite Veteran

Hatboro, Pa.

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I can tell you that the 1320's fit fine. Problem is they are only 13C I believe, and need more punch for the extra wieght. I have two of them that I fly for long flights, just easy 3D.

I tried the Outrage 20C 1000's (Size: 18x35x74 mm)but they are abit longer than the 1320s and you can't fit the cano of without modification.

Gaui Greatness X7, X5, NX4, X3

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12-12-2008 05:21 PM  8 years agoPost 3
S76 Mech

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Hatboro, Pa.

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Of course, you could always mod the battery tray mount to sit abit lower to accomodate the larger packs. I believe Eury did this to his 250 to fit some 950 packs (just from looking at his heli in the classy's). But, the heavier your pack, as you know, the more it affects c/g.

Gaui Greatness X7, X5, NX4, X3

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12-12-2008 05:46 PM  8 years agoPost 4
docjoe

rrElite Veteran

Stockton, CA United States

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S75Mech,

The Zippy packs are 25c and are about the same size as the TP3s, just a little longer about the length of the outrage packs. I think those might be a winner.

Joe
We haven't seen Colonel Angus around these parts for years!

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12-12-2008 06:14 PM  8 years agoPost 5
louk05

rrKey Veteran

Flying in BelAir Maryland

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i do

i have some outrage 1000 and they fit fine. a little tight but fit. also align has a new canopy out for the 250 its the yellow with black lightning bolt. its longer in the nose and sits up more to allow for larger batteries.

Fly Hard,Crash Hard,Upgrade, Align,AMA#906056

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12-12-2008 06:57 PM  8 years agoPost 6
S76 Mech

rrElite Veteran

Hatboro, Pa.

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i have some outrage 1000 and they fit fine
Can you post a picture of them installed, maybe your way is one I haven't tried yet.

thx

Gaui Greatness X7, X5, NX4, X3

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12-12-2008 07:21 PM  8 years agoPost 7
louk05

rrKey Veteran

Flying in BelAir Maryland

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yes i will.

i put the battery up as close as i can to the frame and its a bit hard to get the canopy on but it fits. also they are not longer than the 850's i have them as well. they are just wider. But the best bet woul be to get the new longer Align canopy. not sure if its out yet but its the yellow one with lightning bolt on it. it sits a bit higher and is a good bit longer. ill get ya some pics. like i said it is very tight but they fit
here they are. as you can see the 1000 is not longer just fatter. i will get some better comparison shots

Fly Hard,Crash Hard,Upgrade, Align,AMA#906056

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12-12-2008 11:01 PM  8 years agoPost 8
rcdaddy

rrVeteran

Singapore

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would it be too heavy to fly a 1300mah pack? I think even 1000mah pack is heavy already. The trex 250 is already 100g heavier than gaui 200

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12-12-2008 11:18 PM  8 years agoPost 9
leslie

rrKey Veteran

Hollis, NH - USA

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Hi all,

I moved my canopy forward 1/4 inch and I can now fit batteries up to 73mm in length. I have been running outrage 1000mah 20C and Jack Power 850 25C. I have a bunch of TP1320's that I'm running too, at 13C they are fairly lackluster.

Cheers,
leslie

Protecting those who protect us

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12-13-2008 12:37 AM  8 years agoPost 10
louk05

rrKey Veteran

Flying in BelAir Maryland

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yeah

the 1000mah made me move my sub trim back some but its worth it. the outrage 1000mah packs fit but its very tight. just need to get them as close top the frame as you can with the wires at the top of the frame and they will go on. i highly recommend the new canopy which i am getting as the 1000mah pack is really tight and hard to get the canopy on. lowering the battery mount will help or moving the canopy mounts forward some but that would make it loose for other lipos

Fly Hard,Crash Hard,Upgrade, Align,AMA#906056

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12-13-2008 01:36 AM  8 years agoPost 11
S76 Mech

rrElite Veteran

Hatboro, Pa.

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kinda like I said, they'll fit, with some mods

Gaui Greatness X7, X5, NX4, X3

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12-13-2008 11:09 PM  8 years agoPost 12
louk05

rrKey Veteran

Flying in BelAir Maryland

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I did no mods but yes. Like you said.

Get the new canopy I think it looks better any ways

Fly Hard,Crash Hard,Upgrade, Align,AMA#906056

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12-14-2008 12:52 AM  8 years agoPost 13
S76 Mech

rrElite Veteran

Hatboro, Pa.

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Steven, which cano are you talking about? The one that looks like the 600E or the one that looks like the stock 250 canopy but a different color, I think its blue? Didn't know it was longer, haven't read that anywhere, that would be nice, slightly longer for the larger packs.

Gaui Greatness X7, X5, NX4, X3

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12-14-2008 12:59 AM  8 years agoPost 14
S76 Mech

rrElite Veteran

Hatboro, Pa.

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If its the yellow one thats cool, thats the one I want anyway, just waiting for it to come out

Gaui Greatness X7, X5, NX4, X3

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12-16-2008 08:24 PM  8 years agoPost 15
Richardmid1

rrProfessor

Leeds, England

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Just ordered a 250, why are people squeezing bigger packs in this heli? Do you get short flight times with an 800mah pack?

60% of the time, it works every time!

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12-16-2008 08:30 PM  8 years agoPost 16
S76 Mech

rrElite Veteran

Hatboro, Pa.

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roughly 5:00 with an 800 pack on a 15T, 4:30is with a 16T.

Gaui Greatness X7, X5, NX4, X3

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12-16-2008 08:53 PM  8 years agoPost 17
Richardmid1

rrProfessor

Leeds, England

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Is that 5 mins doing 3D from start to finish?

60% of the time, it works every time!

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T-REX 250 › Largest Battery Size for 250?
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