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World Models Giant Scale P-51

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Old 10-11-2007, 02:23 PM
  #1
Rush7
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Default World Models Giant Scale P-51

I have a World Models Giant Scale P-51 Miss America 80" wingspan that I put a US 41cc engine in. I was wondering if anyone could suggest the right prop for this combo. (18x8, 18x10,?,?)

This plane does not have flaps and I was also going to try and get an idea of what kind of speed I should carry on landing. I have never flown a warbird and hope to maiden this bird this weekend.

I think that this is an older model plane. I bought it from a guy that was flying it with an OS 160. He put it in and tore one of the retracts off of it. I just hope the rebuild of the wing will hold up.[&:]
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Old 10-11-2007, 03:19 PM
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Default RE: World Models Giant Scale P-51

Dont know anything about the plane but I ran an 18x10 on my us41.
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Old 10-11-2007, 06:05 PM
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Default RE: World Models Giant Scale P-51

i have this plane- if balanced correctly it will land at a very slow speed. i was disappointed with the power of a g38 I had in mine- it would barely loop without falling out of the loop. but it flew fine. i have gone to a super tiger 2300 in mine- it took several pounds out of this plane and it flies very well with this engine and a 17-8 prop.

Ed
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Old 10-12-2007, 12:45 AM
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Default RE: World Models Giant Scale P-51

The later versions with flaps also have an improved gear system. Be careful with your gear. You might think about an upgrade.
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Old 10-12-2007, 08:36 AM
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Default RE: World Models Giant Scale P-51

I have heard that when a US41 is good and broken in it will turn a 18-12 if using a good prop like Xoar or something comparable.

Randy
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Old 10-12-2007, 02:00 PM
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Default RE: World Models Giant Scale P-51

ram - I did install the new gear and they were quite a bit bigger than the old ones. That is why I had to modify the wing so much. The gear on these things seem a little wobbly side to side any ways. I did do some stress testing on the gear and they seem to be fine. The gear blocks in the wings were reinforced with tri-stock and fiberglassed..........Maybe it will hold.

Randy - Thanks for the info on the US 41. I will get a good prop and try it. I have a 18x8 on it right now and was hoping that it would give me the extra thrust I need until I can get use to the plane.
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Old 10-12-2007, 02:43 PM
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Default RE: World Models Giant Scale P-51

Well I have a BGX 3500 with an 18/10 on mine. Runs good.
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Old 10-13-2007, 02:27 AM
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Default RE: World Models Giant Scale P-51


Quote:
ORIGINAL: Rush7

ram - I did install the new gear and they were quite a bit bigger than the old ones. That is why I had to modify the wing so much. The gear on these things seem a little wobbly side to side any ways. I did do some stress testing on the gear and they seem to be fine. The gear blocks in the wings were reinforced with tri-stock and fiberglassed..........Maybe it will hold.

Randy - Thanks for the info on the US 41. I will get a good prop and try it. I have a 18x8 on it right now and was hoping that it would give me the extra thrust I need until I can get use to the plane.
Sounds like you are all over it. Sorry to get off topic.
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Old 10-14-2007, 02:01 PM
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Default RE: World Models Giant Scale P-51

I love this P51. It's rock solid. I fly with BGX. It flies good but I'd like to convert to gasoline engine due to high cost of nitro fuel.
Is it o.k to put 50CC engine? If so,do you have any idea about C.G difference?

And also,did you guys upgraded landing gear? Any good suggestion on robart?
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Old 10-28-2007, 03:16 AM
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Default RE: World Models Giant Scale P-51


Quote:
ORIGINAL: Cyclic Hardover

Well I have a BGX 3500 with an 18/10 on mine. Runs good.
. . . and looks good with that canopy too. What's the deal with that?

Why is your canopy a very cool Reno style and the one on the Airborne models website military type?

Man, I like that. I'm building a Reno style canopy for my WM 60 Mustang and it is a lot of work. Bill
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Old 11-18-2007, 03:25 AM
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Default RE: World Models Giant Scale P-51


Quote:
ORIGINAL: Rush7

I have a World Models Giant Scale P-51 Miss America 80" wingspan and hope to maiden this bird this weekend.

Did ya get 'er goin' ?
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Old 11-18-2007, 08:34 AM
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Default RE: World Models Giant Scale P-51

Quote:
ORIGINAL: rc34074

i have this plane- if balanced correctly it will land at a very slow speed. i was disappointed with the power of a g38 I had in mine- it would barely loop without falling out of the loop. but it flew fine. i have gone to a super tiger 2300 in mine- it took several pounds out of this plane and it flies very well with this engine and a 17-8 prop.

Ed

A Super Tiger 2300??? And this will pull it through a loop? Not at my altitude. That wouldn't pull it out of the truck! I have a 2300. Good engine.
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Old 11-18-2007, 09:06 AM
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Default RE: World Models Giant Scale P-51


Had this engine on a TFGS Mustang at 22#.. An APC 18-12 worked good, and a 20-8 XOAR or other quality wood prop will give it best thrust ..
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Old 11-18-2007, 10:30 AM
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Default RE: World Models Giant Scale P-51

The luxury of low altitude. The minimums I have seen installed around here is a 160
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Old 11-18-2007, 10:37 AM
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Default RE: World Models Giant Scale P-51


Quote:
ORIGINAL: Rush7

I have a World Models Giant Scale P-51 Miss America 80" wingspan that I put a US 41cc engine in. I was wondering if anyone could suggest the right prop for this combo. (18x8, 18x10,?,?)

This plane does not have flaps and I was also going to try and get an idea of what kind of speed I should carry on landing. I have never flown a warbird and hope to maiden this bird this weekend.

I think that this is an older model plane. I bought it from a guy that was flying it with an OS 160. He put it in and tore one of the retracts off of it. I just hope the rebuild of the wing will hold up.[&:]
I'm at about the same altitude as you. My US41 (well broken in) pulls my Yellow Aircraft P-47 around fine with a 20X10. Four point rolls, huge loops, no problem.

Good luck,
Dave Olson
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Old 11-18-2007, 06:09 PM
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Default RE: World Models Giant Scale P-51

I'm at about 1200 feet here. the 2300 turns the master airscrew scimitar 17-8 prop in the mid 8s on the ground and unloads in the air noticeably. takes off on its own at full throttle in 200 feet or so - actually about the same as my 60 size world models mustang with a g90. i use a slimline large volume pitts muffler and it sounds great on this engine. its at least as fast as the 60 size in the air.

Ed
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