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HelicopterMain Discussion › Li Poly Cells
05-08-2005 06:26 PM  12 years agoPost 1
Prolodoc (RIP)

rrApprentice

Cookeville, TN, USA

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I need to change my batteries ( 2 Turines, 4 Glo, 6 electric ) and am considering Li cells. Once the cells are installed in the Hughes 500 Turbine, they are very hard to get to, so I need a reliable and SAFE cell. I have use NiMh and Nicads to date. Any thoughts from you experts out there? Later, Terry

I saw an adult one time.....I was not impressed....I refuse to grow up....

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05-09-2005 12:15 AM  12 years agoPost 2
bell1684

rrApprentice

North Kingstown, RI USA

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Terry
Stick with the brand name packs..i prefer Thunder Power.

There are cheaper packs out there but why risk it?

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05-09-2005 12:17 AM  12 years agoPost 3
Prolodoc (RIP)

rrApprentice

Cookeville, TN, USA

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Brand Name

I Intend to. The turbines approach 10 grand and I dont want to put cheap cells in them. I just wanted to see if there were many in flight fires due to the li cells or if they had made them fairly safe now. Later, Terry

I saw an adult one time.....I was not impressed....I refuse to grow up....

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05-09-2005 12:30 AM  12 years agoPost 4
bell1684

rrApprentice

North Kingstown, RI USA

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Terry
The only negative experience ive had has been with a lead from my charger shorting out causing a cheap chineese Lipo to heat up and partially swell up..obviously the end of the pack.
Ive only read one story of an in-flight problem where the Lipo caught fire in flight and partially damaged the plank (I think it was a turbine powered jet)..seems like 99% of the problems have been caused by operator errors when charging. Check out the r c groups forum..lots of Lipo stories both good and bad outlined there.

Darrell

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05-09-2005 12:52 AM  12 years agoPost 5
dkshema

rrMaster

Cedar Rapids, IA

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There are quite a few pics (and stories) of helis that have been fried when LiPo charging goes awry. And for the record, the manufacturers of LiPo batteries specifically state that the batteries should not be charged while in your aircraft. Not all of the fires have been caused by operator error, by the way. I'd find a way to get them in and out for charging. It only takes a few minutes to roast your heli to a pile of goo.

Dave

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05-09-2005 02:03 AM  12 years agoPost 6
Prolodoc (RIP)

rrApprentice

Cookeville, TN, USA

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Yep

I have seen the pile of goo. I think I will stick to good old NiMh and just monitot them..Thanks, Terry

I saw an adult one time.....I was not impressed....I refuse to grow up....

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HelicopterMain Discussion › Li Poly Cells
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