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Old Jun 13, 2009, 09:55 AM
Registered User
Joined Dec 2004
23 Posts
Help!
PBY Catalina (Guanli) Brushless Suggestions

Hello,

I've purchased the arf version of the Guanli Catalina and plan on putting in some brushless motors along with a tri blade prop.

I will be flying off a mountain lake around 8000 ft. elevation so I don't mind a setup that may be slightly overpowered.

Please let me know your suggestions for powering this plane.

Thanks.
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Old Jun 13, 2009, 10:42 PM
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reacher10's Avatar
LI, NY,
Joined Oct 2008
1,964 Posts
Maybe ask over in the Power System forum. I think there would be a wealth of knowledge over there.

I have the same plane...crashed it good 2X but fixed it pretty easy. I'm at sea level and I'm going to put 2 of these in it running on a 11.1v 2200 mah lipo.

http://www.rchotdeals.com/Products/r.../2208_18a.html

I think it will fly great.

Good luck!
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Old Jun 17, 2009, 08:54 PM
Registered User
Austin TEXAS area
Joined Apr 2008
350 Posts
Hi, I have this same bird and i have up graded to brushless. I used 2 FC28-22 1200 kv motors from Hobby City, the specks they give are 14.5 amp max on a 10 inch prop and 3s lipo suppling around 700 grams thrust. I am very happy with my power level now, I can place the Cat on the ground-no wheels and it will power off the ground no problem. I use a set of 9 inch three blade props with a 7 pitch. I am not anywhere near your altitude so I can't say how much power loss you might see. I have not pushed this bird to see what it is cappable of as it just looks so cool flying in scale fashion. I have made several flights from water as well and have come to the conclusion I need to fabricate a water rudder. Hope some of this is helpful. Good Luck.
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Old Jun 17, 2009, 09:30 PM
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jzonts's Avatar
United States, UT, Cedar City
Joined May 2005
190 Posts
I upgraded with bp hobbies motors, here is a link to the thread with video http://www.rcgroups.com/forums/showt...8#post12381113
In the video i was at around 9000 ft. elev. and had no problem what so ever with power.
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Old Jun 19, 2009, 12:25 AM
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Joined Dec 2004
23 Posts
Very helpful. It looks like your setup works well at high elevations. I would like to have a tri blade prop for a closer to scale appearance.

I have heard the the Turingy motors may be a good fit. I'm looking at the 2209 from United Hobbies.
http://www.hobbycity.com/hobbycity/s...idProduct=5686

If you have any info on these motors and supplier, I would appreciate it.
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