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E-flite power 60

Old 09-07-2011, 07:28 PM
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gooner
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Hi all, ive just go my hands on a Hyperion 40 size mustang, im thinking of using a power 60, with a castle creations 80 amp esc and a 3300 6cell lipo, all up weight should be 8lb max so im looking for 1200 watts, can anybody tell me if the power 60 will make those numbers with this set up, thanks for your help, Neal
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Old 09-07-2011, 09:33 PM
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rcers
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That motor is in the same ballpark as the Hyperion motor they recommend. I hope you have some war bird flight experience!

Mike
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Old 09-08-2011, 12:39 AM
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kyleservicetech
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Originally Posted by gooner View Post
Hi all, ive just go my hands on a Hyperion 40 size mustang, im thinking of using a power 60, with a castle creations 80 amp esc and a 3300 6cell lipo, all up weight should be 8lb max so im looking for 1200 watts, can anybody tell me if the power 60 will make those numbers with this set up, thanks for your help, Neal
Is that the Eflite Power 60? Checking the Eflite specs, they're 400 KV, 2.7 Amps no load current, 0.06 Ohms winding resistance, and 13.4 ounces.

I've got the Hanger 9 P51 model running with a Hacker A50-12S, 14X10 APC-E prop, 6S2P A123 battery pack, and a 60 Amp CC ESC. This model weighs in at just under 8 pounds, and flys very well. That power system pulls 58 Amps out of the battery, and turns the 14X10 prop at 7950 RPM, it climbs out at 45 degrees, and keeps going. This power setup has over 250 flights in another identical power setup in another airplane. (I've got three Hacker A50 motors, all have performed to specifications over the past four flying seasons with zero problems.)

The Hacker motors winding resistance is 0.016 ohms, where the Eflite Power 60 winding resistance is 0.06 ohms, nearly 4 times higher. So running the Eflite motor at 60 Amps, you will loose 216 watts in the windings alone. Per www.motocalc.com, the Eflite motor is running at 75% efficiency, the Hacker is 89%. The Hacker motor is only about $15 more than the Eflite motor.

http://www.aero-model.com/Hacker-Bru...50-12S-V2.aspx

www.motocalc.com suggests running the Eflite motor at 60 amps will really overheat the motors windings.
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Old 09-08-2011, 09:21 PM
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thanks for your help, if the hacker would take a 13 inch prop i think i'll go for it, seen the specs and they look good
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Old 09-08-2011, 09:29 PM
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Originally Posted by gooner View Post
thanks for your help, if the hacker would take a 13 inch prop i think i'll go for it, seen the specs and they look good
If you're going for a 5S Lipo pack, the Hacker A50-12S motor would work with a 14X10 APC-E prop, not a 13 incher. For a quality 6S LiPo, that Hacker A50-12S motor would work well with the 13 X 10 prop or 13X8 prop, turning it near 10,000 RPM.

Note that the Hacker A50 series comes in a variety of "Winds" such as the A50-10S, 12S, 14S (Short frame) and various A50-XXL for long frames. One of them or several of them would be suitable for your model project.
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