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Old Oct 18, 2005, 01:48 PM
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RickC2009's Avatar
USA, NY, Brookhaven
Joined Mar 2003
1,543 Posts
Eflite park 450.......

What's up with motor anyone try one?
From tlhe specs it doesn't look all that great!


Type: Brushless Outrunner
Size: Replacement for 370 or 400
Bearings or Bushings: Ball Bearings
Recommended Prop Range: 9x6 to 11x3.8 Slow Flyer or 10x5 to 12x6 Electric
Voltage: 7.2 - 12
RPM/Volt (Kv): 890
Resistance (Ri): .20 ohms
Idle Current (Io): .69A @ 8V
Shaft Diameter: .16 in (4mm)
Weight: 2.5 oz (72 g)
Diameter: 1.1 in (28mm)
Length: 1.3 in (33mm)
[B]Continuous Current: 12A
Maximum Burst Current: 18A for 15 seconds
Cells: 2-3 Li-Po or 6-10 Ni-Cd/Ni-MH
Speed Control: 20A Brushless ESC

The Park 450 is ideal for 3D park flyers 15- to 25-ounce and scale park flyers 20- to 30-ounces using 2S - 3S 12002100mAh Li-Po battery packs.

It will provide sport 3D performance for a Mini Edge size plane and great performance on the new E-flite P-47.

I just don't see how 18A for 15 seconds is going to provide 3d performance on 25 oz edge!!!
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Old Nov 04, 2005, 03:28 PM
Registered User
West Chester, PA
Joined May 2003
55 Posts
Also curious...

I wonder how it would compare to the AXI 2212/26 on 9.6v nimh or 3s lipo? Thinking about swapping out my AXI with this motor in a GWS PT-17 to add a little more "positive" forward weight and lose a few pieces of clay in the fake radial.

Also, I know Eflite motors come with male connectors soldered on, but do they include matching female connectors in the box too or do they just assume one would use an Eflite esc?
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Old Nov 04, 2005, 04:05 PM
Registered User
Bellevue, WA
Joined Feb 2005
959 Posts
I'm probably going to purchase this for my P47 from Eflite. Hopefully it'll work well as it has been stated by Horizon to work very well with that plane.
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Old Nov 04, 2005, 04:23 PM
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Dr Kiwi's Avatar
Chattanooga, Tennessee, United States
Joined May 2003
27,207 Posts
If you are going to keep it at 12A or so, only the smallest of those props will be safe - since it is higher Kv than an AXI 2212/26 (by the way, you'll see it weighs over 1/2oz (15g) more) it will draw more than the AXI - an 11x3.8 APC SF on an AXI draws >15A, a 12x6 APC E - I didn't dare try it, but it'll be a lot more than that.

Be careful out there.

Cheers, Phil
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Old Nov 26, 2005, 12:36 PM
Registered User
West Chester, PA
Joined May 2003
55 Posts
Park 450 in a Formosa

I mounted one of these in my Formosa using the E-flite stick mount. Needed to remove about 3/4" of the original stick length to be able to mount the cowl. Had to mount the receiver over the servos and slide the batteries all the way to the back of the compartment to balance. Using an E-flite 20A esc.

On 2s packs (PQ1100, PQ1800, and TP1320) with a GWS 1060 HD prop, performance is much better than the stock 350 with C gears and a 9x7 and duration is about the same (9 minutes timed WOT). Packs stay cool to slightly warm.

On a 3s TP1320 (my only 3s pack so far) with the 1060 prop, AUW is 15.25 oz. and the performance is amazing! My first truly "unlimited vertical" setup. I've only flown this pack twice so far, mostly 1/2 throttle with only a few "punches" to test out the climbing ability. Recharging after those two 9 minute flights put about 600mah back into the pack.

Sorry I don't have any way to measure the amps or thrust, but I'm very pleased with the performance of this setup and nothing seems to be over-taxed.
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