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Author Topic: Warbird to PA (P47)  (Read 3216 times)

Offline Motorman

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Warbird to PA (P47)
« on: July 08, 2021, 09:30:25 AM »
Intentionally left blank
« Last Edit: August 16, 2021, 09:02:46 AM by Motorman »
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Offline Dan McEntee

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Re: Warbird to PA (P47)
« Reply #1 on: July 08, 2021, 09:39:43 AM »
          Bill Werwage has already done the work for you. Bubble canopy and razor back versions. Spark did several. Was published in Model Aviation with a pretty extensive article..
       Before Bill did his, Charles Parrott did a T-Bolt. It was published in American Aircraft Modeler magazine and some one did a kit. Not as scale looking as Werwage's effort but still nice looking and smaller for smaller powerplants.
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Offline Mike Bush

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Re: Warbird to PA (P47)
« Reply #2 on: July 08, 2021, 10:52:48 AM »
Pat Johnston has designed a couple of P47's in different sizes. Search here and I'm sure you can find some info and also he posted some pdf of the plans also.

Mike

Offline Mike Griffin

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Re: Warbird to PA (P47)
« Reply #3 on: July 08, 2021, 11:46:09 AM »
For some reason, I liked Charles Parrott's design better.  I had planned to get with Eric Rule and produce this kit but just never got to it.  Years ago when I was at the King Orange, Tommy Weedman showed me some plans of a P47 they had drawn up and it was beautiful but do not know what ever happened to it. 

Mike

Offline Kennyperkins

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Re: Warbird to PA (P47)
« Reply #4 on: July 08, 2021, 12:58:52 PM »
Jim Lynch has a P-47 using Rabe type construction. Moulded fuse. and jig built wing.

Online Brent Williams

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Re: Warbird to PA (P47)
« Reply #5 on: July 08, 2021, 01:07:51 PM »
Paul Walker's P-47 planes are pretty awesome as well!
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Online RC Storick

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Re: Warbird to PA (P47)
« Reply #6 on: July 08, 2021, 02:53:39 PM »
If you are interested I am building another one on my YouTube channel https://www.youtube.com/channel/UC96GB5l5-lNYSEtieSfFFCQ . This one is a Razorback with a new wing
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Offline Bill Barber

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Re: Warbird to PA (P47)
« Reply #7 on: July 08, 2021, 03:38:21 PM »
  Tom Dixon does make a kit of the Charles Parrot Classic P-47. Like a lot of his kits it comes with a balsa sheet-ed foam wing.
                 Bill
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Offline Dan McEntee

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Re: Warbird to PA (P47)
« Reply #8 on: July 08, 2021, 10:57:39 PM »
This is it. Still wondering about some of the questions in the OP. To me the fuselage looks massive.

   It looks massive because it is. The fuselage was designed around the already engineered engine and supercharger system. It was built hell for stout and cold take massive battle damage and still fly the pilot home. Multiple stories of one of more cylinder jugs shot off and the engine still ran well enough to make it back home. You take advantage of the fuselage shape to house the tuned pipe.  Wings held eight, 50 caliber machines guns for some of the highest concentrated firepower of the war. Great for air to air dog fighting or for ground strafing, ground attack and close air support. The Mustang got a lot of the glory in WW-2 but from people I have talked to and things I have read, I think I would have wanted a Jug wrapped around me.
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Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #9 on: July 08, 2021, 11:25:41 PM »
Cobblers . https://stunthanger.com/smf/stunt-design/p-47-t-bolt/

Been studying P 47s for 20 years . finnaly got it Wright . Gotta bittofa beffeir Fuse. drawn Too .


Figure at 54 pan for a Como 51 , for long lines. But drawn up ST 60 / Belko 76 size too . Bout 60 inch .

OBVIOUSLY need to Fuselage done moulded on a plug / Which I havnt done. Yet .

That wings pretty much EXACT SCALE bar the assymetry . 20 mm or so .

With the Full Size gee Bee Replicers aerobatic powress , its obvious that a ' aerodynamically considered ' fuselage CONTRIBUTES to the flying ability .

Tho the 6:1 ratio , length / dia. Is actually drag vs VOLUME for drop tanks . At a specific cruis speed . Tho still or relevance .

I cant see any point in changeinfg the Original Full size DESIGNERS WORK for No Reason . ( my P-38 Had Reason ! )
Shuffling things around may help[ , but with the new electric stuff this is even less neccesary . The Typhoon with the OS 80 crammed in the V Short Nose echos Rabe's inirtial observations .
V light on controls but stable & responsive

Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #10 on: July 08, 2021, 11:26:53 PM »

dont pilfer it and stuff it up . Weve got the Real Thing . Finished 60 span for 60 / 90 . or isit 62 c.  VD~

the Fuse Layout just above is strating to get near to the current " final '" form . To appearances at least .
Fine tooned the moments & angles . So ' the look' is pretty much that - Honed for realism .
Final ' trick ' on the 60 drawings , those are earlier ' 46 ' ones ,  was thust line and zero zero wings . for ' Sit ' .

If ya wanna copy , if youve still got that Enya 45 , can doadeal . been thousands of hours of reasearch & development in em .
but without a Good acurate symetrical fuse plug , your lost . with the ' Barrel ' shape . Two pot overer bare wood for lightness / stiffness .

to me the Canopy , particularly on the razor back ,m its TEARDROP , are crucial for it to be classed as a Masterpiece , in the semi stunt scale  S?P catagorie .Spelink .
Was advising Tory wotsit  on HIS Canopies Shapes  late last century .
The Canopy is pretty much all curves , teardrop planform . just the slide rails are ' straight ' .

« Last Edit: July 09, 2021, 12:39:07 AM by Air Ministry . »

Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #11 on: July 08, 2021, 11:42:50 PM »
A few pitchs to elabourate the contures , if you want World Class Scale Stunt .



See how it gets wider forwarder ( Canopy ) AND the ' razor Back ' ridge .

More food for fought . https://www.key.aero/article/database-republic-p-47-thunderbolt





And a few of the Bubble Canopy . theres a ' Malcom ' " Blown ' clear view ' hood for the Razoir Back too . Ive put other detail stuff on earlier on S. h .



Yea , anaits got dihedral. Even a girl could fly it .  H^^



Wots that about dogs looking like theyre owners .


Npow whos going to argue with this bloke . he appears to have got it right . just needs a bit of interpretaition for stunt . And Its DONE .




not knocking Pats or anyone elses efforts . W champs top placings etc speak for themselves . Going for a direct evolution from the full size , however , requires ' tooling ' . to suit .
been a top of the list of gotta do's. now its a gottit dun . drawing wise , at least . >:( Got the Hawker Tempest / Typhoon Fuse Plug done & wing built .
Great care , patiance , and accuracy obviously required . Like anything top shelf . in the uilding - fitting - & finish . To avoid cock ups 7 wasted time .

Pre planed and scheduled , it'd go together pretty easy . need Al / Kieth rudder for Yaw Control .

We had started with this , Yak . as a standard for a Comp ship . drawn for a .60 out here twenty years ago . The rudder'd be a niceity . Flight was finger tip feather light & damn tight squares .
OBVIOUSLY somewhat less difficult to get right & get light .was one of the many damadged shipping them here to Aus. Why does one bother .  :P P - 47 wou;ldnt be inferior . BUILT LIGHT .



All the straight lines mean its pretty easy & strong. As Sergi drew it . S?P Hope theyll forgive the larger Tailplanes S?P Retracts ( Scale ish again ) would be nice .

P-47s obvously easier than the Spitfire , with the balance / mass / dynamics , - yaw - roll - stability - steerability bit . Pretty straightforward in fact . Just needs a Fuse plug .
As i wasnt getting into this stuff untiull co erced , I avoided to mould & Composts trip . The time and money if spent on decent vehicals was an investment . Other than to retard igno's . H^^




« Last Edit: July 09, 2021, 12:35:04 AM by Air Ministry . »

Online Brent Williams

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Re: Warbird to PA (P47)
« Reply #12 on: July 08, 2021, 11:50:14 PM »
Regarding the massive size of the p-47, this is a interesting comparison of other warbirds.
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Offline Dan McEntee

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Re: Warbird to PA (P47)
« Reply #13 on: July 12, 2021, 08:09:07 PM »
One thing I noticed on the P47, the fuselage is longer than the wing span.

     You didn't measure it, did you.  n1 y1
     Type at you later,
    Dan McEntee
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Offline Dan McEntee

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Re: Warbird to PA (P47)
« Reply #14 on: July 12, 2021, 08:58:28 PM »
    You need to have your ruler or your eyes recalibrated.
   Dan McEntee
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Offline RandySmith

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Re: Warbird to PA (P47)
« Reply #15 on: July 12, 2021, 10:52:25 PM »
I have several  plans  for  P-47s,  modern ones are  Pat Johnsons  plans, I have those  too,  and  I also  have a very  good  KIT of the  large  Pat Johnson  P47  that  is  laser cut, it is for a  large  4  or  2  stroke  engine

Classic   ...P-47 THUNDERBOLT by Charles Parrott - 2 large sheets
Modern   P-47 by Pat Johnston 690 sq in for 61-75 60 in span semi scale   $19.00
The laser kit  is  a  P-47 Pat  did  for  Bene  in Brasil, and a few  people there, I think some  used a Saito 72 in it,  it looks  very much like a  P-47


Randy

Offline Dan McEntee

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Re: Warbird to PA (P47)
« Reply #16 on: July 13, 2021, 02:53:17 PM »
In one of the many WW2 books, one mentioned the saying at the time, that to impress the girls, fly a Mustang, to come back to them fly a Thunderbolt.

The only fighter with more wing area was the F6F Hellcat. Only because of the squared off tips as opposed to the rounded TB wings. They were the two biggest single seat fighters of WW2, but the T-bolt had more pluming for turbos, etc. D>K

    The Jug design started with the engine and supercharger set up, which was quite extensive and runs almost the length of the fuselage, then the armor and then the fuselage exterior designed around it starting with the razor back, and then the bubble top. I like the razor back version myself and Billy's version of best of all.
    I like the Hellcat also. It was the only fighter of the war to go from drafting board to production and then right into combat and only saw one revision during it's production run. I think Grumman learned a lot from the Wildcat and poured it all into the Hellcat. It held the highest kill ratio in the Pacific theater at least if not the over all highest number of kills for WW-2. It was a typical Grumman Iron Works product and one of the best. Not a sleek beauty queen but if you wanted the best under your butt to improve your chances of coming back. that was a better choice!!
   The common thread for the two plus the Corsair was they were all powered by the same engine, the P&W R-2800 I believe were they not??  To me that was more or less the 350Chevy small block hot rod engine for airplanes!!
   Type at you later,
    Dan McEntee
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Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #17 on: July 13, 2021, 11:20:23 PM »

Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #18 on: July 13, 2021, 11:30:08 PM »
"  The Jug design started with the engine and supercharger set up, which was quite extensive and runs almost the length of the fuselage, then the armor and then the fuselage exterior designed around it starting with the razor back, and then the bubble top. I like the razor back version myself and Billy's version of best of all. "

This picture sort of gives a good perspective of how it all fits together , with the ' tuned pipe ' housing hidden .



Yep , a ' natural ' for the tooned pipe set up . https://plans.modelaircraft.org/wp-content/uploads/pdf/MA00989MA1.pdf

Mr Bill's .

Or Mr Sparks . roumers have it he is going to change his initials from R C to C L .  %^@

Figured the prop strike got the adrenal hit for the World Champs 2004 WIN .



P W 's ' N ' .



was a profile .049 or 1 / 1.5 cc Kiwi Profile scale P 47 razorback kit , from the 60s . Wouldnt mind a copy . More Fuse area than wing area , by the look .

Miniture nazi's capture remote control P 47 Thunderbolt . ! ( Er  for the ' HORIZONTAL ' sight line perspective . Curves and fings . ) Wonder if the thought police will be worried if we offend narrzzys .







« Last Edit: July 13, 2021, 11:51:23 PM by Air Ministry . »

Offline M Spencer

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Re: Warbird to PA (P47)
« Reply #19 on: July 14, 2021, 12:02:43 AM »
Its Not Fat . ts Just Solid . And Deep .  S?P LL~ LL~ LL~


https://www.worldwarphotos.info/gallery/usa/aircrafts-2-3/p-47/


But you need a fairly light shell , because theres a lot of it . Say twice the surface of a conventional fuse . So the ten ounces is doulbed . Where 150 % = would be more acceptable there . If That .
So a ' Composite ' mou;lded fuse would be lightest. unless anybodys got a better sugestion ? .


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