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Old Mar 29, 2008, 01:14 AM
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gilbert,az
Joined Dec 2005
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Hangar 9 1.50 p-47 conversion

Just picked up the H9 150 sized p-47, smokin deal that I couldn't pass up. Just wondering what kind of power should fly her in a scale fashion. Mine has a hacker c50, not sure which one, planetary gear box. The plane was all ready assembled with everthing in it when I got it. Don't know the gearing, I only run outrunners so this motor is kinda of new to me. I am using prodigy batteries which are a 10c rating, so my numbers are low. 56 amps, 1750 watts on a 22x 12e prop. It has a jeti 90. I weighed the plane and it came out less then 17 lbs. which I was surprised cause it feels heavy, probably cause the planes is built very solid.
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Old Mar 29, 2008, 05:45 AM
E-flyer since 1981
Michael in Toronto's Avatar
Joined Oct 2000
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I just finished building the same plane.

I'm using an E-Flite 160, Castle Creations 110amp ESC and 10S 5000mah lipos. This is what Hangar 9 recommends.
I'm using a 19/8 or 20/8 prop.

It sounds as though yours will fly OK with 1750 watts.
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Old Mar 29, 2008, 09:25 AM
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gilbert,az
Joined Dec 2005
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I think I may borrow a set of TP extremes for the first flight, just so I know I have a little extra power to get her trimmed up. What was your AUW?
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Old Mar 29, 2008, 05:40 PM
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Quote:
Originally Posted by mpope1
What was your AUW?
I don't know.

I built (assembled?) the model and equipped it as recommended by the manufacturer, and it balances properly with the batteries and with no extra weight added, so I assume the power and weight will be within reasonable tolerances.
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Old Mar 29, 2008, 08:49 PM
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Here's an image.
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Old Mar 29, 2008, 10:16 PM
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gilbert,az
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Looks great, I am leaving the bombs and drop tanks off for the maiden(less drag). I have been taxi testing it and it seems to have plenty of power. Its in the car for the maiden tomorrow morning, hoping the winds are a little calmer then they are anticipating.
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Old Mar 29, 2008, 10:31 PM
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Good luck, and I hope you have a good time.
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Old Mar 30, 2008, 10:17 AM
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Ron101's Avatar
Brentwood, California
Joined Jul 2007
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Good luck!
that's my favorite plane... I must have one soon!
like to hear how it flys

Ron
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Old Mar 30, 2008, 01:30 PM
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gilbert,az
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Maiden went great, had way to much up trim on take off but got it trimmed up. Landing was fine but a bit bouncy, I had maybe 30 degrees of flaps and it ballooned a little so I landed without them down, plane still slowed down nice.I will dial in some down elevator for next flight, Cg was dead on but I think I may move things around to get more nose weight. I like my planes to fly a little nose heavier then what manufactures recommend, they seem to land easier for me. Had 2 short flights do to the nasty crosswind(maybe 5 1/2 minute total), plane flew very scale on 1750 watts. Put 2000 mah back into my 5000 packs.
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Old Mar 30, 2008, 02:14 PM
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wirbech's Avatar
United States, CA, Sierra Madre
Joined Jun 2005
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Mike,

Nice looking plane, I guess that it is just a bit too big for Rodeo Huh......Glad to hear the maiden went good. You have to bring it out to the fun fly next weekend, just so we can see it. Now I see why you are sellling your large pattern plane.

John
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Old Mar 30, 2008, 09:02 PM
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Quote:
Originally Posted by mpope1
Maiden went great, ....
Congratulations !

My P47 is just slightly nose heavy, and I have a small amount of down elevator mixed in with flaps. I'll test the flaps up high before using them in a landing.

I'll maiden my plane in about a month or so; this has been a near record year for snow and it hasn't cleared yet.
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Old Mar 30, 2008, 09:15 PM
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gilbert,az
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Here is a nice vid to hold you over till the snow melts....
WW2 Shocking P-47 video,coloured and real (5 min 13 sec)
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Old Apr 02, 2008, 12:46 AM
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Joined Jan 2003
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Mike,
Congrats on the plane and the maiden. After I finish up a couple of ongoing projects I really should put mine together. I have an Axi 5330/18 or Hacker A60-14L, not sure which one to use but either on 10S. I lieterally just got my new TP 4S and 6S 5000 Extreme V2's, I have all the servo's, and the Shinden struts as well. Only thing I want to get is a dual voltage regulator so that I can have the 791 retract servos at 4.8 volts and the rest at 6 volts.
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Old Apr 02, 2008, 01:27 AM
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gilbert,az
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Good idea, I bought mine already put together and it was set up with the flaps on its own 4500 mah battery with a matchbox to really get them synched nicely, the rest of the electronics are on another 4500 mah battery. Servos are all digital, except for the retracts which are those nice 260 oz(I think the same ones you are going to use) at 4.8 volts from jr. I was thinking of running the retracts on 1 battery but I think the amount of mah in this plane is a little overkill(9000 mah), probably needed to get the weight up front for c.g. I run a a60-14l in a large aerobatic plane on 12s and it produces a lot of power(3000 watts) with a 20x10 xoar prop. Would be nice on the p-47.
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Old Apr 02, 2008, 02:11 AM
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I'd like to get a guage on how much power I can get from the A60 on 10S as I have one more that I may use on a TF giant scale P-51. Since I'm at sea level, I'm guessing a 20x10 and 10S should give me plenty of power without running the amps very high.
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