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Old Oct 25, 2001, 10:11 AM
Registered User
New Castle, IN
Joined Sep 2001
83 Posts
Would these batteries work with the Wattage Hawk?

I found some batteries on Ebay

http://cgi.ebay.com/aw-cgi/eBayISAPI...ndexURL=0&rd=1

Would they work for the Hawk? I don't have motorcalc and wondered how they might perform in my Hawk?

Thanks for your help!
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Old Oct 25, 2001, 10:32 AM
Registered User
Fountain Valley, CA USA
Joined Oct 2000
500 Posts
It is not clear what cell size he is presenting here.

If it is a 5/4 AAA nimh, then yes, it will work fine.

If it is a 2/3A nimh, then it is too heavy.

-Mike
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Old Oct 25, 2001, 11:53 AM
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San Francisco, CA, USA
Joined Jun 2001
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if you're going to use NiMH, i'd go with 8 cells instead of 7. i used an 8 cell 720mah AAA NiMH in my hawk, and it performed quite well. it would probably fly on 7 NiMH cells, but the speed would not be there.
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Old Oct 25, 2001, 03:12 PM
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New Castle, IN
Joined Sep 2001
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I sent email to the company in the ebay auction and their reply is that the cells are 4/3 AAA. Being a pretty new E-flight guy, what does this mean, and will they work (well) in my Hawk?
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Old Oct 25, 2001, 04:21 PM
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4/3 AAA means each cell is a third larger than a regular AAA cell. they should work fine in your hawk. however, NiMH cells tend to have a significant voltage drop under load, so you typically need to use one more NiMH cell in a pack than you would with NiCds. so if a 7 cell NiCd pack is recommended, you'd want to use an 8 cell NiMH as a substitute. i'd recommend an 8 cell NiMH for the hawk.
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Old Oct 25, 2001, 04:35 PM
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Laurel, MD
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Man are you guys knowledgeable. Good info about 7 pack nicads = 8 pack nimhs....

jay
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Old Oct 26, 2001, 01:33 AM
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San Francisco, CA, USA
Joined Jun 2001
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btw, don't make the dumb mistake i made and mount your receiver in front of your battery. if you crash nose first, the battery will smash the rx to bits, believe me
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Old Oct 26, 2001, 04:38 AM
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Southampton, UK
Joined Oct 2001
3,384 Posts
Do you have some picturs of your HAWK for us?

Always nice to see

What motor do you have in it?

Maby you would want to get a better efficiency motor insteed of fidling with NiMH packs, they are a newsence to fast charge.

See ya.....
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Old Nov 09, 2001, 11:56 AM
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New Castle, IN
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Sorry I haven't put this in here until now. BTW, what configuration of of the 8x720 mah nihm are you using??

[IMG]c:\my pictures\air_0002.jpg[/IMG]
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