Author Topic: Republic P-47 (and derivatives) Ideas and Inspiration  (Read 61155 times)

Offline raafif

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #25 on: March 05, 2013, 09:51:28 AM »
nice double-Bolt, Dale :)

I'm very much a fan of your float-bolt since seeing on MM :-* :P

Welcome aboard indeed !

Offline Daryl J.

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #26 on: March 05, 2013, 11:26:15 AM »
There is a Tamiya P-47 Razorback in the stash with a ready-to-assemble cockpit to be done up as an early Khemed aircraft, resumably serving along with the Spitfire and Mosquito.
kwyxdxLg5T

Offline GTX_Admin

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #27 on: March 05, 2013, 06:28:15 PM »
Welcome aboard Dale.  Great work there!  Can't wait to see more.

Regards,

Greg
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Offline raafif

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Offline GTX_Admin

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #29 on: July 23, 2013, 05:05:56 AM »
 :-\
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Offline Jeffry Fontaine

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Offline ysi_maniac

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #32 on: January 13, 2014, 05:05:38 PM »
Try this:




Speaking about XP-47H.

Was it really needed such big airframe t install a Chrysler 2220 engine? Could it be installed in a smaller aircraft like a P-40 or P-51?

Offline Rickshaw

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #33 on: January 13, 2014, 08:19:30 PM »
I think you'll find they need the space for the turbo-charger and the associated plumbing...

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #34 on: January 14, 2014, 02:26:15 AM »
Anything is possible, but you might want to consider the basic engine dimensions:

Length: 122 in (3,098.8 mm)
Width: 33.5 in (850.9 mm)
Height: 33.5 in (850.9 mm)
Dry weight: 2,430 lb (1,102.2 kg)

Compared to a Packard Merlin in a P-51 and some P-40s:

Length: 88.7 in (2,253 mm)
Width: 30.8 in (781 mm)
Height: 40 in (1016 mm)
Dry weight: 1,645 lb (746 kg)
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Offline elmayerle

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #35 on: January 14, 2014, 10:54:04 AM »
So, how about a cross between an XP-47H and a P-47N?  Alternatively, one between an XP-47J Superbolt and a P-47N?

Offline kitnut617

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #36 on: January 14, 2014, 11:10:38 AM »
I like that idea Evan.

Here's two I built some time ago.

Offline kitnut617

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #37 on: January 14, 2014, 11:15:14 AM »
Couple of others, RAF ones this time.  In the Squadron/Signal P-47 in Action, it sort of insinuates that the RAF Thunderbolts in Burma were fitted with RAF style rocket launchers.  I've not found any photographic evidence to support that, but I put them on anyway.  Other than that they're both RW, although I have since found out the black one with the silver cheatline should actually had a Roundel Red cheatline.  The scheme was the Chief Instructors aircraft in Egypt,  I had used the Carpena decal sheet.
« Last Edit: January 16, 2014, 12:15:39 AM by kitnut617 »

Offline kitnut617

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #38 on: January 14, 2014, 11:22:33 AM »
I've got an 'M' built too, behind the Eagle tempest

Offline ysi_maniac

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #39 on: January 15, 2014, 03:21:24 AM »
Anything is possible, but you might want to consider the basic engine dimensions:

Length: 122 in (3,098.8 mm)
Width: 33.5 in (850.9 mm)
Height: 33.5 in (850.9 mm)
Dry weight: 2,430 lb (1,102.2 kg)

Compared to a Packard Merlin in a P-51 and some P-40s:

Length: 88.7 in (2,253 mm)
Width: 30.8 in (781 mm)
Height: 40 in (1016 mm)
Dry weight: 1,645 lb (746 kg)


Did you get Chrysler's dimendions from wiki? Do you think it is logical width exactly equal to heigh?
Look at this: http://en.wikipedia.org/wiki/Continental_XI-1430 all three dimensions the same :-\

Anyway an equivalent version in P-40 or P-51 range sounds so tempting ... I think I will not resist. 8)

Thanks Greg.

Offline jcf

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #40 on: January 15, 2014, 03:45:39 AM »
Why wouldn't it be logical? The figures are correct.
If you need to know more buy Kim McCutcheon's book.

http://www.weakforcepress.com/CAE/CAE_2.shtml




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Offline elmayerle

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #41 on: January 15, 2014, 11:43:43 AM »
Just a thought, how about a floatplane version based on the SEV-3 floatplane.
« Last Edit: January 15, 2014, 09:34:38 PM by elmayerle »

Offline GTX_Admin

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #42 on: January 15, 2014, 03:17:48 PM »
Anyway an equivalent version in P-40 or P-51 range sounds so tempting ... I think I will not resist. 8)

You might want to consider stretching the tails in order to help balance out the increased weight.
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Offline ysi_maniac

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #43 on: January 16, 2014, 04:13:54 AM »
 :) 8)


Offline GTX_Admin

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #44 on: January 16, 2014, 02:32:24 PM »
Is the engine to scale with the rest of the airframe?
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Offline ysi_maniac

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #45 on: January 16, 2014, 06:57:57 PM »
There is a small reduction respect to XP-47H, but IMO the engine would fit anyway. A smaller supercharger, maybe.

Offline jcf

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #46 on: January 17, 2014, 12:44:38 AM »
Carlos, the Chrysler had both an engine mounted mechanical supercharger
and a separately mounted turbo-supercharger. Which the P-47 had making
it the perfect candidate as a testbed.
The engine mounted supercharger/accessory section was partly responsible for
the length of the engine. A smaller supercharger (smaller how?) would have
little effect on overall length.

The photos posted show how long it was and where the engine mounts are, mount it
to the same firewall as the Allison or Packard Merlin of a P-51/P-40 and it's going to
increase the length of the aircraft by over three feet, no way around it. In order to
prevent too much of a Pinnochio effect the forward fuselage structure, firewall
position etc., would have to be redesigned and moved aft, which leads to 'now where
do we put the stuff that had been in that space" and on and on ...

An IV-2220 wouldn't fit, so invent a new member of the family that could fit, maybe the
IV-1776, 20% smaller displacement but oh, the propaganda value of the number.
 ;)

Note that 20% less displacement does not mean that the external dimensions would
decrease by the same factor - it aint' a 1 to 1 relationship.




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Sense doesn’t come into it. People are
more scared of how complicated shit
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Offline kitnut617

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #47 on: January 17, 2014, 02:16:24 AM »
I like the overall shape of those Carlos but as Jon says, it just wouldn't fit.  However, you might be better off using the Wright R-2160 Tornado engine which had a small diameter and the advantage of being able to add or subtract cylinder rows.

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #48 on: January 17, 2014, 02:43:59 AM »
Maybe we need a thread dedicated to "engines that never made it into series production"?
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Offline ChernayaAkula

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Re: Republic P-47 (and derivatives) Ideas and Inspiration
« Reply #49 on: January 17, 2014, 09:13:41 AM »
That engine looks strangely fitting on the P-40!  :)
Cheers,
Moritz

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