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Old Mar 11, 2005, 03:46 PM
Plane dodger
KillerAir's Avatar
Stratford Sikorsky, Connecticut, United States
Joined Dec 2001
6,715 Posts
Axi 2808-24 vs Hacker 20-20L with Groove

Quick look at some numbers in comparing to recent motors I have aquired. I have installed an Axi 2808-24 in a SA Groove AUW with a 3s TP2100G2 pack is ~23.5 oz. Reading on this motor with a 11x5.5e prop read 23A and 230watts. Which works out to 156.5w/lb or 9.78w/oz
Cost of Motor and controller CC25 was $77 for the motor and 60 for the esc. Thats total cost of $137 plus the a few buck for prop adapter.

The other motor is the new Hacker 20-20L. It was a combo with a Hacker x20 controller I got from NSP. Right now is resides in a NSP Mamba, but may be injected into the G480 Groove, based on this
AUW of the Groove would be lowered to 20.75oz, 2.75 oz weight savings for the motor and going to a 3s pack of 1320's( good for 15c bursts) or a .75oz with the same 2100 pack. Watt meter reading show 204 watts at 21A with the 1320's and 220 watts 22A with the 2100's . This equates to 157w/lb with the 1320's or 9.8w/oz and/or 155w/lb 9.7w/oz with the 2100's.
Total cost of this motor and esc $110. The added benefit besides saving weight, and roughly $30 is all the goodies are also included with the motor. @ prop adapters one normal one for reverse mount, 2 extra shafts, mounting hardware and plates, which is an extra 15 dollars at HL for the Axi.

So for roughly the same performance and less weight you can save close to $45 dollars with the new Hacker A20-20L

Can't wait to see this plane flyin at 20.5 oz.

Killer
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Last edited by KillerAir; Mar 11, 2005 at 04:28 PM.
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Old Mar 11, 2005, 04:19 PM
Plane dodger
KillerAir's Avatar
Stratford Sikorsky, Connecticut, United States
Joined Dec 2001
6,715 Posts
A few pics for specs.
BTW the combo Deal at HL is $152.00 with jeti Plus 30A esc plus another 14.50 fot mounts is $166.50 as opposed to $110 for the Hacker
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Last edited by KillerAir; Mar 11, 2005 at 04:27 PM.
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Old Mar 11, 2005, 08:34 PM
Registered User
Airdrie, AB Canada
Joined Sep 2004
1,049 Posts
Only difference I see is that you can push the axi way harder if your packs can take it. Lots running at 300w burst instead of 220.

Don't think we've seen how well the Hackers take high power levels yet.

I do like how all the other companies are including mounts and goodies. Hopefully Axi will get on board one day.

Mike
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