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› Thunderpower 45c lipos...From the IRCHA deal..
09-04-2009 04:32 PM  8 years agoPost 1
Jag72

rrProfessor

South of Boston

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I got home last night and was pretty stoked to see that my 6s5000mah 45C Thunderpower pack had arrived!

What a deal ...I flew a break in flight on it this morning and am pretty excited to see how it performs in comparison to the 35C hyperions I have....

I'm assuming we're going to start seeing a lot of these 45c packs in the air very soon...

this is a GREAT time to be flying electrics

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09-04-2009 04:37 PM  8 years agoPost 2
FlaG8r

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Florida

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What was the cost?

Life is tough, it's tougher if you're stupid

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09-04-2009 04:39 PM  8 years agoPost 3
psych-lick

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Portland, OR

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How much heavier are they?

-Jeff T.

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09-04-2009 04:49 PM  8 years agoPost 4
Jag72

rrProfessor

South of Boston

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IRCHA deal...

At IRCHA Thunderpower was offering a "trade in" program that allowed you to turn in any old and crappy packs for a 50% credit...so this new 45C 5000mah pack cost me a WHOPPING $140 shipped

I will go to my car and get the pack...to weigh it..

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09-04-2009 06:19 PM  8 years agoPost 5
Jag72rrProfessor - South of Boston - My Posts: All  Forum  Topic

here you go...

I weighed 3 different packs

Hyperion 6s5000mah 25C :weight 750grams
Hyperion 6s 5500mah 35C: Weight 887 grams
Thunderpower 6s 5000mah 45C :Weight 780 grams

here are a couple pics of the size for comparisons...



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09-04-2009 06:29 PM  8 years agoPost 6
psych-lick

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Portland, OR

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Wow!
Thanks for posting the weights and photos. I am really surprised the 45C weighs only 30 grams more than hyperion's 25C.

-Jeff T.

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09-04-2009 06:29 PM  8 years agoPost 7
Frank Bostwick

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Cincinnati Ohio

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8879, Thats how many batteries you have gone thur, come on Anthony
Fess up.

RIP ROMAN

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09-04-2009 06:36 PM  8 years agoPost 8
Jag72

rrProfessor

South of Boston

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LOL...

I'm probably OVER that number these days Frank

I'm terrible at knowing when to stop flying I accidentally took 2400mah out of my new 6s 2600mah 35c hyperion on it's 1st cycle...I think I already killed it ...lol..

Yeah...I'm pretty hard on my packs sometimes...

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09-04-2009 06:52 PM  8 years agoPost 9
TMoore

rrMaster

Cookeville, TN

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I flew a 3s 850 45c pack in my T250 and the power is comparable to their 30C pack. Maybe a touch more power but not a quantum leap.

TM

Delayed Response Operator Not Engaged

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09-04-2009 06:57 PM  8 years agoPost 10
Jag72

rrProfessor

South of Boston

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Yeah...

I don't think it felt any more powerful than my Hyperion 35c's ...maybe a datalogger will show differently though

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09-04-2009 07:08 PM  8 years agoPost 11
Frank Bostwick

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Cincinnati Ohio

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Even my lowly DX7 has a timer! PM ya later about stuff.

RIP ROMAN

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09-04-2009 07:15 PM  8 years agoPost 12
red_z06

rrProfessor

Dumont, NJ

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Be sure to reduce at least 25% off the flight time when testing these new packs. They will consume more current due to higher head speed.

Also, make absolutely sure that you never go below the nominal voltage of 22.2v. At that voltage, you might not even have 100-200mah of juice left. You can treat the nominal voltage on these high dischage packs as never go below voltages.

My testing of the 6s5000 40c TP pack showed 4700mah chare with the discharged voltage of 22.4v.

www.JustinJee.com

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09-04-2009 07:18 PM  8 years agoPost 13
Jag72

rrProfessor

South of Boston

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Good to know...

Thanks for the info Benny

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09-04-2009 08:35 PM  8 years agoPost 14
ppridday

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Detroit Lakes MN

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Bummer for us poor schmucks that couldn't make it to IRCHA...

Paul

"There's someone in my head, but it's not me..."

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09-04-2009 11:57 PM  8 years agoPost 15
Fastsrt

rrVeteran

Lebanon, Tn

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Bummer for us poor schmucks that couldn't make it to IRCHA...
Yep, i would agree.

TP was also offering some new rx packs that are nice, 2S lipo 3600mah Pro Lite RX packs $48ea. I picked up 2 in hand and ordered 6 more when i got home after seeing how well they fit and balanced my helis.

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09-06-2009 06:27 AM  8 years agoPost 16
Master Rick

rrApprentice

The Moon

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Got the 3s 45C at IRCHA for 35 bucks , man i wish i had more money that day. WHAT A DEAL! Thanks TP!.

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09-06-2009 08:50 AM  8 years agoPost 17
OICU812

rrMaster

Edson, Alberta, Canada

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Hmm wonder if they'll make 10S sticks in the 45C fashion?

...Once upon a time there were Nitros, flybars and frequency pins...

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09-06-2009 02:34 PM  8 years agoPost 18
Eco8gator

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Palm Beach, FL

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Its not the upfront power that makes the difference its the consistancy through manuvers...that may not be so important to a std heli but it does help for fbl helis.

I have a set of the 4400's and even I was able to tell the difference between a set of the 40C 4250 packs.

But a timer is key with these new generation packs because they seem to give the power till the last drop. I fly it hard(as hard as my skills allow) for 3 mins and then I charge it and adjust my timer according consumption.

C

Xera Motors
ProBar
Minicopter
Thunder Power

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11-12-2009 04:58 AM  7 years agoPost 19
cobia5

rrNovice

Pearland, Tx

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I do not push my batteries to the limit and my flying is tame; no 3d flying, although I have been using lipos for years. The standard lowest safe dischage has always been 3.6v per cell. In a 6s lipo, that would be 21.6v (lowest voltage without damage to the battery).

I have seen published reports from lipo manufacturers that state the lowest acceptible voltage per cell is 3.3v to prevent damage to the battery.

With that said, I never push the limit and end up never going below 3.7v per cell (22.2v for 6s packs). I personally use the timer method with consistent flying. With current lipo technology, cells are consistent and durable.

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11-12-2009 08:42 AM  7 years agoPost 20
Terrabit

rrElite Veteran

Seattle, WA - USA

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Just as metered voltage will drop immediately after charging, metered voltage will rise immediately after discharging. Resting voltage is no-load voltage several minutes after charge/discharge. If you take your lipos down to a resting voltage of 3.6v/cell it is quite possible that end of flight loads neared or exceded 3.3v per cell lows. I aim for no lower than 3.7v/cell resting, usually more like 3.75v/cell.

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› Thunderpower 45c lipos...From the IRCHA deal..
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