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Old 11-08-2006, 11:30 AM   #1
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electric conversion chart?

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does anyone know where i could find a chart to compare electric motors? some are listd as speed 300,400, etc.. while ohere are listed like 2808/36, how can i find out if i want to use another manufactures motor on a different plane? right now i have the e flite p47, it says to use a 450 speed motor when using rudder and landing gear, but i dont like the e flite motors and would prefer to use a axi motor but i cant tell what to look for in axi for a 450 replacement motor
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Old 11-08-2006, 01:02 PM   #2
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As far as I know, there isn't really such a table in existence. The trouble is that there are so many variables when it comes to electric motors, that you can't really create a nice continuum like you can by using displacement in glow engines.

Your best bet is to look for an AXI motor that has similar specifications to the Eflite 450. The key specs you want to look at are:

1. kV,
2. Max Watts
3. Max Amps
4. Weight
5. Suggested propellers

Two motors that are both 200Watt rated and that both suggest a 10" prop (for instance) will probably behave pretty similar once in the aircraft.

Park 450 will probably put you in the AXI 2808 series of motors. You just need to pick the wind that matches the propeller you want to drive.

With an ARF like the E-flite P-47, chosing a motor is easy. Just go to RCGroups, and find the P-47 thread.



I did a search for AXI in those threads, and the 2808/20 and 24 came up as well as 2120/20.

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Old 11-08-2006, 03:34 PM   #3
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Old 11-09-2006, 10:40 AM   #4
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Sizing Electric Motors...FYI

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Old 12-06-2006, 04:49 AM   #5
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Re: electric conversion chart?

Originally Posted by warsstar
does anyone know where i could find a chart to compare electric motors? . .. but i dont like the e flite motors and would prefer to use a axi motor
Check out the table attached. Look for motors with similar Kv & weights and you'll find equivalents. Example: E-flite Park 400 BL (EFLM1305) is the same as the Model Motors AXI AC2212/26.

E-flite has clearly targetted the AXI lineup for cloning.

Attached Files
File Type: zip e-fliteaxi_633.zip (11.5 KB, 154 views)
Phelan RC Flying Club - Manotick ON
Rideau Valley Modellers - Kemptville ON
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Lovin Giant Scale & trying Jets ...
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