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Old Jul 04, 2011, 11:16 AM
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tlh101's Avatar
Corpus Christi, Texas, United States
Joined Dec 2002
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Successful Power Systems for Hangar 9 Piper Pawnee?

Looking for successful power systems being used on the Hangar 9 Piper Pawnee. I have already looked at the other big thread, but it's so long and splintered, it's hard to make any sense from it. Several of the posters have changed power systems, and others never posted back with their results.
I am leaning toward the Monster Power 60 on 6s, because I already have it. Also considering a Turnigy 50-55 400Kv, or a Turnigy SK 50-55 580Kv. Will be using an 80amp esc.
Please post the system, (motor, esc, prop, & battery) that works well on you model, and even anything that did not work. Pics of set-ups, and flying vids would be kool too.
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Old Jul 05, 2011, 10:32 AM
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United States, AZ, Quartzsite
Joined Oct 2009
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I have the pawnee as well. I had some problems trying to balance with the power 60 and the 6s pack. If I were doing it again. I would try to find a motor with the 60's power and about 10 oz of weight. I had to add 6oz of weight to the tail (don't like doing that) and modify the battery tray to move the battery back. The plane flies very nice and scale like. People I flew with recommended the power 60 as the power 46 just doesn't have enough power. I would also beef up the landing gear or change it. Winterflyer
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Old Jul 05, 2011, 11:39 AM
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United States, AZ, Quartzsite
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I also used 15/10 prop,Castle 75 amp esc,Hitec 485's and 645mg. Changed to 3 & 1/2" wheels. Winterflyer
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Old Jul 06, 2011, 09:24 AM
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Litchfield Park
Joined Dec 2008
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I have had mine for years, I used the e-flite P46 and 5000 MAH 5 cells with an 80 amp Castle speed control and separate BEC. I use a 13X8 2 blade. This combo under full throttle provides over 1100 watts and AMPS over 60. This is above the motors max rated current however after more than 400 flights I have not had a problem with the motor and am running the original bearings. All up ready to fly I am just over 8 pounds and have all the power I need and a bit more. On 5 cells the P46 or equivalent seems to be fine, though I would not want to try it on 4 cells.

Good Luck with yours

Cheers
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Old Jul 11, 2011, 06:58 PM
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Corpus Christi, Texas, United States
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I went with the Monster Power 60, on 6s 5000 and a 14x9x3 M/A prop. Flys great.
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Old Jul 13, 2011, 10:35 PM
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Los Angeles
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I am using an Eflte Power 60 on 6s and just went to a APC 16 x 10 prop with a CC Ice 100, CC 20 pro BEC. I was flying with a 15 x 8 which was ok but the 16 x 10 is GREAT! I also have 2 other planes with the MP 60 which is close to the Eflite and using similar set ups. I added Robart Cub 1/4 scale landing gear which is working extremely well and allows more clearance for a larger prop and will take just about any landing you can throw at it.

Harry
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Old Jul 14, 2011, 10:03 AM
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Canada, ON, Owen Sound
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Scorpion 4020-16 15/8/3blade Emp prop 1140 watts or 4025-12 same prop 1420 watts, both on 6s/5000mah 30c. Both motors are lighter than Eflites stuff, 4020-16 is 10.7 ozs, 4025-12 is 12,5ozs. FWIW Doug B
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Old Jul 14, 2011, 10:22 AM
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Los Angeles
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There is a huge thread on another site and many use the Scorpion 4025 and are very happy with that motor. From the specs and testing from end users, it is more efficient, more powerful and uses less amps to achieve the output wattage. I didn't know better when I bought the Eflite and it works fine but will be buying a Scorpion for my next Plane, a ESM Stuka. Too bad the prices just went up on the Scorpions Another note: I have had (2) bad MP 60's where the magnets seized the motor on testing. You get what you pay for. You just want to make sure you do solid testing before you take to the air.


Harry
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Old Jul 14, 2011, 10:28 AM
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USA, TX, Trophy Club
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Quote:
Originally Posted by Harry H View Post
(2) bad MP 60's where the magnets seized the motor on testing. You get what you pay for. You just want to make sure you do solid testing before you take to the air.
Harry
+1 mine failed on flight #3. Very disappointing. Paying the money for better stuff for my larger ships.

I highly recommend Motrolfly on the quality edge too. http://www.subsonicplanes.com/
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Old Jul 20, 2011, 09:28 AM
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Florida
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I have the H9 40 Cub and it's on it's last leg. I was thinking that this would be a great replacement when the Cub eats it for good. I have the Cub powered with a Power 46, 60A ESC w/ a CC 10A BEC and a 4S 4000mAH 30C battery. It's swinging a 14x7 prop and gave me enough power to fly it off floats no problem. I know the Pawnee is a little heavier but will this power system give me good performance? All of my other planes are 3D planes so I'm not expecting ridiculous power but if it's enough to just cruise around while having a little to spare that would be ideal.
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Old Jul 21, 2011, 08:17 AM
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Quote:
Originally Posted by 94'325is View Post
I have the H9 40 Cub and it's on it's last leg. I was thinking that this would be a great replacement when the Cub eats it for good. I have the Cub powered with a Power 46, 60A ESC w/ a CC 10A BEC and a 4S 4000mAH 30C battery. It's swinging a 14x7 prop and gave me enough power to fly it off floats no problem. I know the Pawnee is a little heavier but will this power system give me good performance? All of my other planes are 3D planes so I'm not expecting ridiculous power but if it's enough to just cruise around while having a little to spare that would be ideal.
The recommended motor is a Power 46 and have read that some like the set up. It will fly with a 46 but don't think there will be much "extra" with that motor. With the 60, it flies very scale at 1/2 throttle and you have plenty extra if you need it. I was actually thinking of going to a 90 (or equivalent) to try some glider towing

Harry

One more thing, the CC 10 is not enough for 6 standard servos. Use the Pro 20. The 10 is only good for 4 standard digital servos.
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Last edited by Harry H; Jul 21, 2011 at 08:21 AM. Reason: added info
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Old Feb 07, 2014, 07:15 AM
CAN36
Joined Oct 2012
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I am considering using a Turnigy L5055B-600 Brushless Outrunner 600kv (have one handy), along with a Zippy Compact 5000mAh 6S 25C Lipo, and a Turnigy Plush 80A 26v Brushless Speed Controller - all up weight of 1090 g (38.5 oz). I would really appreciate suggestions for servos.
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Old Feb 07, 2014, 10:58 AM
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I used the recommended DS821 servos and have used those on other planes as well. Good servos for the money.

Harry
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Old Feb 07, 2014, 02:01 PM
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Australia, ACT, Kambah
Joined Feb 2001
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I like the Spektrum branded DS821s, but I've also found the Hitec HS-5485HB to do a good job in the Pawnee and several .60 size warbirds.

The Hyperion full size servos are also very nice with minimal cost difference if you want to move to high voltage servos and power everything direct from a 2S LiPo. AlleRC and Aircraft-worrld have them.
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Old Feb 08, 2014, 09:05 AM
CAN36
Joined Oct 2012
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Thanks Harry H and scirocco - your advice on servos is very much appreciated.

A couple of queries for all:
1. What scale is this plane as I'm interested in ordering the appropriate size pilot figure.
2. To those who have installed the Robart's landing gear - why the 1/4 gear and not the 1/5 gear?
3. And, how did the installation of the Robart's gear change the CofG?
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