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Old Dec 02, 2006, 05:34 PM
starting at RC
Zagreb,Croatia
Joined Aug 2004
61 Posts
Help!
cheap brushless combo ??

Hi!
I am looking for cheap brushless motor and esc max. 40$ combo, maybe from
elemodel or unitedhobbies.
Something for 6x4 prop and 7-8 cells nimh with trust cca 150 - 200 grams.
I am from Croatia so the shipping cost is much smaller from China then from USA :-((
My main concern is quality of this cheap ESC. Can anybody recommend any of this brands and/or types?
Thanks!
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Old Dec 02, 2006, 05:48 PM
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vintage1's Avatar
East Anglia, UK
Joined Sep 2002
29,703 Posts
The tower cheapies are not too bad.

A cheap bell motor and a tower pro ESC will not break the bank..BUT te throttle is very non linear, and you need to adjust transmitter endpoints to make the best of it.

It's a bit all or nothing on a non computer transmitter.

Consider UK or German distributors..I got my one from here..

http://www.micronradiocontrol.co.uk/towerpro_esc.html

That's about $28 US for a 10A..or whatever it is in Euros.

It drives a cheapo bell motor allright. Those are about 9 here these days.


Should get you in under $40US altogether.
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Old Dec 02, 2006, 10:45 PM
Well, now that you know ...
Bigster's Avatar
Grafton, Massachusetts, United States
Joined Sep 2004
5,773 Posts
ESCs don't get much cheaper than this. Reports are just being posted now elsewhere about the quality of the proiducts being received.

http://www.bidproduct.com/part/Produ...S%20ESC_1.html
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Old Dec 03, 2006, 12:45 AM
Registered User
Colorado Springs, CO
Joined Oct 2004
731 Posts
When checking out the budget ESCs it's worth finding out what their low voltage cutoff (most in this price range aren't adjustable) is set to. It's not necessarily a show stopper--I'm still running one l got from BP hobbies and it works fine, but I also know I have to be careful and fly by time rather than trying to get the last bit of "umph" out of the motor. Saving $20 on an ESC isn't much of a bargain if you end up killing a $40+ battery pack.
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Old Dec 03, 2006, 02:31 AM
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manuel v's Avatar
Mexico, BC, Mexicali
Joined Aug 2004
5,324 Posts
Check this tread:
http://www.rcgroups.com/forums/showthread.php?t=560144

Manuel V.
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Old Dec 03, 2006, 02:54 AM
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Joined Sep 2006
5 Posts
Quote:
Originally Posted by Sundoggy
ESCs don't get much cheaper than this. Reports are just being posted now elsewhere about the quality of the proiducts being received.

http://www.bidproduct.com/part/Produ...S%20ESC_1.html

wow...great prices
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Old Dec 03, 2006, 03:43 AM
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Port Fairy, Australia
Joined Jun 2005
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Just make sure you factor in the frieght which in less they have improved used to suck Frieght depending on the item can double the cost of the item

Tim
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Old Dec 03, 2006, 09:38 AM
starting at RC
Zagreb,Croatia
Joined Aug 2004
61 Posts
Thanks for help guys! What about motor for 6*4 prop and 7-8 cell nimh?
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Old Dec 03, 2006, 11:14 AM
starting at RC
Zagreb,Croatia
Joined Aug 2004
61 Posts
What about this one:
http://www.aarchobby.com/shop/index....d2d5d718be21c9
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Old Dec 03, 2006, 02:18 PM
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Dr Kiwi's Avatar
Chattanooga, Tennessee, United States
Joined May 2003
27,206 Posts
Quote:
Originally Posted by zoohr
Thanks for help guys! What about motor for 6*4 prop and 7-8 cell nimh?

If we call your 7 cells about 8v under load, you'll need about a 1800Kv motor to drive a 6x4 and get your 200g or so thrust. An E-max 2205/22 (1780Kv) [http://www.xushobby.com/servlet/Detail?no=198, <$30] gets you this:

7.9v, 6.10A, 48W, 11040rpm, 41.8mph, 242g, 8.52oz, 5.04g/W

If you go up to 8-cells, you'll still only draw something over 7A:

8.9v, 7.20A, 64W, 12000rpm, 45.5mph, 291g, 10.25oz, 4.55g/W

If this is all the thrust you need you will get away with a 10A ESC.
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Old Dec 03, 2006, 02:45 PM
starting at RC
Zagreb,Croatia
Joined Aug 2004
61 Posts
Quote:
Originally Posted by Dr Kiwi
If we call your 7 cells about 8v under load, you'll need about a 1800Kv motor to drive a 6x4 and get your 200g or so thrust. An E-max 2205/22 (1780Kv) [http://www.xushobby.com/servlet/Detail?no=198, <$30] gets you this:

7.9v, 6.10A, 48W, 11040rpm, 41.8mph, 242g, 8.52oz, 5.04g/W

If you go up to 8-cells, you'll still only draw something over 7A:

8.9v, 7.20A, 64W, 12000rpm, 45.5mph, 291g, 10.25oz, 4.55g/W

If this is all the thrust you need you will get away with a 10A ESC.
Bingo!
Thanks!
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