Paul Payne Posted September 1, 2021 Share Posted September 1, 2021 Does anyone recognize this engine? Been in my parts stash for years, got it in a parts box and always thought it was an Allison, but maybe not? I also have no idea what the big transmission is from. Quote Link to comment Share on other sites More sharing options...
deuces wild Posted September 1, 2021 Share Posted September 1, 2021 It does look like an Allison... Quote Link to comment Share on other sites More sharing options...
Classicgas Posted September 1, 2021 Share Posted September 1, 2021 (edited) I agree, Allison. The transmission looks like a big rig one, perhaps a Spicer. Edited September 1, 2021 by Classicgas Quote Link to comment Share on other sites More sharing options...
Ace-Garageguy Posted September 2, 2021 Share Posted September 2, 2021 (edited) Definitely not an Allison. And not 1/25 either. This is the AMT 1/25 Allison. Sorta similar, but actually entirely different. Judging by the sump and the angled cylinder head tops (relative to the exhaust ports), your engine appears to be a Rolls Royce Merlin, in perhaps 1/32 scale. Edited September 2, 2021 by Ace-Garageguy TYPO Quote Link to comment Share on other sites More sharing options...
Straightliner59 Posted September 2, 2021 Share Posted September 2, 2021 7 hours ago, Ace-Garageguy said: Definitely not an Allison. And not 1/25 either. This is the AMT 1/25 Allison. Sorta similar, but actually entirely different. Judging by the sump and the angled cylinder head tops (relative to the exhaust ports), your engine appears to be a Rolls Royce Merlin, in perhaps 1/32 scale. Maybe one of Revell's 1/32 aircraft models? The Typhoon has a Napier Sabre. Quote Link to comment Share on other sites More sharing options...
Paul Payne Posted September 2, 2021 Author Share Posted September 2, 2021 Wow- thought it was big in 1/25th scale, in 1/32nd scale it would be huge! Quote Link to comment Share on other sites More sharing options...
Ace-Garageguy Posted September 2, 2021 Share Posted September 2, 2021 (edited) 2 hours ago, Paul Payne said: Wow- thought it was big in 1/25th scale, in 1/32nd scale it would be huge! The V-12 aircraft engines from WW II were indeed huge. The Merlin was 1650 cu.in, the Allison 1710. So roughly 3 to 4 times the swept volume of a typical big-block automotive V8. Add the superchargers, speed-reduction gearbox for the prop, and the accessory drives...huge. Edited September 2, 2021 by Ace-Garageguy TYPO Quote Link to comment Share on other sites More sharing options...
Snake45 Posted September 2, 2021 Share Posted September 2, 2021 There have been several 1/32 models of the P-51 and Spitfire (which both used the Merlin) that included engines. I'm not familiar with all of them so can't tell you which one this might be. Quote Link to comment Share on other sites More sharing options...
Foghorn Leghorn Posted September 2, 2021 Share Posted September 2, 2021 This is a WW2 Merlin V-12. I would die to have this thing in my garage. https://www.youtube.com/watch?v=AqrbtxcNqbM https://www.youtube.com/watch?v=07u897I8KjU what's he doing with the piping running into the shorty exhaust pipes? burning blowby? Quote Link to comment Share on other sites More sharing options...
Snake45 Posted September 2, 2021 Share Posted September 2, 2021 A friend of my son's has this Merlin in his garage: Here's my kid and his buddy: Quote Link to comment Share on other sites More sharing options...
Bainford Posted September 2, 2021 Share Posted September 2, 2021 (edited) It’s good to have friends with lots of cool toys. 😎 Edited September 2, 2021 by Bainford Quote Link to comment Share on other sites More sharing options...
Paul Payne Posted September 3, 2021 Author Share Posted September 3, 2021 Now that we know what it is, does anyone want it? It IS missing a lot of parts............................. Quote Link to comment Share on other sites More sharing options...
Classicgas Posted September 3, 2021 Share Posted September 3, 2021 Actually 1/32 is smaller than 1/25. Quote Link to comment Share on other sites More sharing options...
Force Posted September 5, 2021 Share Posted September 5, 2021 On 9/3/2021 at 4:04 PM, Classicgas said: Actually 1/32 is smaller than 1/25. Yup. And It for sure is a Rolls Royce / Packard Merlin. Airfix had Merlins in 1:24th scale in the P51 Mustang and Spitfire. Quote Link to comment Share on other sites More sharing options...
GLMFAA1 Posted September 5, 2021 Share Posted September 5, 2021 It looks like a 1/32 Merlin/RollsRoyce engine, I cant identify the large bell shape housing in the rear. the round part lying behind the engine is wheel hub from a WW2 plane. The tranny is a truck kit tranny. AMT's Allison, MPC/Airfix spitfire merlin and Hawker engines in front of Bandi P51 greg Quote Link to comment Share on other sites More sharing options...
Force Posted September 9, 2021 Share Posted September 9, 2021 The bell shaped husing is a part of the two stage supercharger the Merlins had. Quote Link to comment Share on other sites More sharing options...
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