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Oct 25, 2001, 10:11 AM
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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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Oct 25, 2001, 10:32 AM
Registered User
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
Oct 25, 2001, 11:53 AM
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Ben74's Avatar
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.
Oct 25, 2001, 03:12 PM
Registered User
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?
Oct 25, 2001, 04:21 PM
Registered User
Ben74's Avatar
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.
Oct 25, 2001, 04:35 PM
BANNED!!!
soholingo's Avatar
Man are you guys knowledgeable. Good info about 7 pack nicads = 8 pack nimhs....

jay
Oct 26, 2001, 01:33 AM
Registered User
Ben74's Avatar
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
Oct 26, 2001, 04:38 AM
Ain't Dutch? Ain't Mutch!
Kimble_Schmitz's Avatar
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.....
Nov 09, 2001, 11:56 AM
Registered User
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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