Grumman Hellcat & Allison V-3420

[Pablo1965]

Nice one Pablo, and very interesting to me, because I too have been looking at options to re-engine a Hellkat.

I'd looked at Wyverns, so it's nice to see the theory proven. I suppose the logical thing to do with the leftover bits is to put the big radial on the Wyvern airframe....

I try this with a P-47. See this: http://www.whatifmodelers.com/index.php/topic,29823.0/highlight,thunderbolt+to+vietnam.html

[Mossie]

Makes for a very different looking Hellcat, beautiful finish on it too!

[Pablo1965]

Thanks Mossie.

[Taiidantomcat]

Love the checker tail and desert camo. It took me a second to figure out the aircraft you used,  Wow!


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[Hobbes]

Did they ever fly the Allison V-3420?

And how is it superior to the DB 606, they're both two V12s geared together?

My question as well. From what I can find, on the V-3420 both V12s would share a single supercharger. Maybe there were more bits that you don't really need two of?

[kitnut617]

Did they ever fly the Allison V-3420?

Here's one aircraft it flew in Kit,



Then there was a B-29 re-engined with them, and the XP-67 Moonbat, the XP-75 which all flew with the engine installed.

[sideshowbob9]

^ The XP-67 had a pair o' Continental I-1430s didn't it? The initial proposal was designed around a V-3420 though.

I'm sure I've said this elsewhere but that is a kickass model btw!

[Pablo1965]

Did they ever fly the Allison V-3420?

And how is it superior to the DB 606, they're both two V12s geared together?

My question as well. From what I can find, on the V-3420 both V12s would share a single supercharger. Maybe there were more bits that you don't really need two of?

Well actually I did account for the Pratt & Whitney R-2800 P-47 in terms of weight and displacement (18 cyl) and compare it with the Allison V-3420 and I think its 24 or so cylinders can be reconciled with one compressor but this very technical issue is beyond me. DB606 was still really a couple but the Allison engine was a single engine.

Another plane with a V-3420:

[Pablo1965]

Love the checker tail and desert camo. It took me a second to figure out the aircraft you used,  Wow!


See more on Know Your Meme

Thanks Taiidantomcat, Really is good.
was a hard work as a mule to carry on their shoulders.


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[Pablo1965]

^ The XP-67 had a pair o' Continental I-1430s didn't it? The initial proposal was designed around a V-3420 though.

I'm sure I've said this elsewhere but that is a kickass model btw!

Really I think so but I´m not sure all prototypes have the same engine.

[GTX]

Outstanding!

[Pablo1965]

Outstanding!

Thanks, although these kind words to me a bit ashamed.