Turbo-supercharger
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wuzak
Captain
No, they were not.
The US had two basic versions - the B-type (for engines of around 1500hp - like the V-1710 or R-1820) and the C-Type (for engines of 2,000hp and more - the R-2800). These were of teh same basic design, with an axial turbine and centrifugal compressor.
Germany had a turbo, at least on BMW radials (I believe it was a BMW design). I think that the basic layout was the same, though air cooled blades were developed for the turbine during the war.
Japan had some turbos as well, but I don't know anything about them.
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- #3
Hey Wuzak
Just trying to navigate the site as I'm a newby
So the one on a p-38 is the same as a b-17
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wuzak
Captain
Yes, and the B-24.
There were also sub-variants, with different altitude ratings.
The CHM type turbosupercharger was a high altitude variant, used in late model P-47s.
Also, welcome to the forum.
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- #5
Thanks for welcoming me.
I have recently saved one that was going to be used as a forge in a foundry.
Would there be a part number any where on it so I can identify which model plane it's off?
wuzak
Captain
I don't know about serial numbers.
If you have a photo you could post it and people in here may be able to identify it. Likely the type of turbo rather than the actual type of aircraft it was on.
Do you have any history about the turbo? Where it was found?
If you have a photo you could post it and people in here may be able to identify it. Likely the type of turbo rather than the actual type of aircraft it was on.
Do you have any history about the turbo? Where it was found?
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wuzak
Captain
It very much looks like a B-series turbocharger - which could have been from a P-38, B-17 or B-24. Or a B-29 (I think they had 2 per engine).
The turbine housing shows both the exhaust inlet and the wastegate pipe on the other side. From what I have seen the C-series does not have that, at least not on the common versions used in the P-47 (the exhaust wastegate on the P-47 was in the exhaust pipe near the engine).
The turbine housing shows both the exhaust inlet and the wastegate pipe on the other side. From what I have seen the C-series does not have that, at least not on the common versions used in the P-47 (the exhaust wastegate on the P-47 was in the exhaust pipe near the engine).
wuzak
Captain
Forgot to add a few links
https://lynceans.org/wp-content/uploads/2015/12/P-47-powewrtrain_DSC_5382-crop.jpg
https://lynceans.org/wp-content/uploads/2015/12/P-47-powertrain_DSC_7260.jpg
https://lynceans.org/wp-content/uploads/2015/12/P-47-powertrain_DSC_7265-66-pano.jpg
The Complexity of a WW II P-47 Thunderbolt's Powerplant | The Lyncean Group of San Diego
You can see the near-side wastegate on the side view, with the outlet louvres. There was one per side.
https://lynceans.org/wp-content/uploads/2015/12/P-47-powewrtrain_DSC_5382-crop.jpg
https://lynceans.org/wp-content/uploads/2015/12/P-47-powertrain_DSC_7260.jpg
https://lynceans.org/wp-content/uploads/2015/12/P-47-powertrain_DSC_7265-66-pano.jpg
The Complexity of a WW II P-47 Thunderbolt's Powerplant | The Lyncean Group of San Diego
You can see the near-side wastegate on the side view, with the outlet louvres. There was one per side.
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- #16
Looks like a b-type off a P-38. B-17
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- #17
I notice in different pictures I have found that the cooling cap cn be bolted in several positions.
Is there a reason for this?
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- #18
How can I contact you off line?
Hey Big Jake pm me
Reluctant Poster
Tech Sergeant
- 1,611
- Dec 6, 2006
The BMW engines used Hirth turbochargers.
bdefen
Senior Airman
Would the unit pictured have been built by General Electric?