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Small Air Cooled Gasoline Engines

I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER


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  #1  
Old 09-15-2014, 08:41:35 PM
mschreiber mschreiber is offline
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Default I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

I'm going to try to put this in small air cooled too.


The ringman at the sale yesterday REALLY did think it was a flamethrower.

Its a U.S. Air Force Stewart Warner model 782-Z2 portable heater. Does anyone here know anything about these, looking 4 military manuals, how to lookup military markings, Contract numbers, Etc, maybe where 2 find other help?

The lauson tag reads Model RSC 612, S/N line reads 3S31688. Its a aluminum block. What year do the lauson aircooled guys think its age is? I'm hoping for 1943 but could be 1953.

Google not much help.... Thanks 4 any help.





Carb at supercharger discharge, tubing then goes to intake port, Plumbers nitemare!!


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Old 09-15-2014, 08:43:41 PM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

more pics.







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Old 09-15-2014, 08:45:52 PM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

more.

Shown with exhaust extensions installed.



[URL=http://s113.photobucket.com/user/wrenchguy49/media/SAM_2446_zps4e9e82b0.jpg.html]



Showing block intake tubing coming from carb with supercharger. Alot of safety wire used.

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Old 09-15-2014, 09:34:17 PM
K-Tron K-Tron is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

That is one of the coolest contraptions that I have ever seen! When you get it in running order, please post a video of it in action! I would absolutely love to use one of these to heat the shop in the winter

Chris
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Old 09-15-2014, 10:11:54 PM
pegasuspinto pegasuspinto is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

I'm pretty sure that is for warming up engines in cold weather. USAF makes me think it's 1947 on, as before that it was still the air core....
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Old 09-15-2014, 10:35:42 PM
I like oldstuff I like oldstuff is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

Yup it's an engine preheater that runs on gasoline. A four engine plane used four of them. And another one to pump hot stinky air into the cockpit to warm up that area. Nice find!
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Old 09-16-2014, 12:04:51 AM
Skip Landis Skip Landis is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

I have one of those, except it has a ROOTS blower on it. I ran it several years ago, it is a hoot. I don't know much more than anyone else. skip
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Old 09-16-2014, 02:13:39 PM
Weezer Weezer is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

Can I borrow it? I just want to drive around and scare the tail-gaiters until the cops make me stop.
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Old 09-17-2014, 10:08:19 PM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

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Originally Posted by Weezer View Post
Can I borrow it? I just want to drive around and scare the tail-gaiters until the cops make me stop.

sure! thats a good idea around here too.

BTW, I found my fabric tubes inside the pods on top, i thought that some kinda tube was hooked on the discharge nozzle. I never really looked in there till today.



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Old 09-18-2014, 08:32:10 AM
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

Like I tell the wife when I get home, I don't know what it is, but by gummy I won the bid!

Nice pickup Mike, hope you can find room on a shelf somewhere.

Richard
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Old 09-18-2014, 02:28:59 PM
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

I had read these were used on PBY's and other non pressurized aircraft- thus the need for a supercharger.

I've seen pictures of a few of these but you've provided us with better then I've seen before. Thanks Mike.

Pretty cool find.
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Old 09-18-2014, 11:00:18 PM
Fifty7ChevyNut Fifty7ChevyNut is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

get it running, might need it come winter when the power fails.
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Old 09-19-2014, 07:14:03 AM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

Some internet info i found about this. Note the guy using the handcrank heater warming up the engine of the gas powered unit.

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Old 09-20-2014, 10:00:43 PM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

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Originally Posted by Fifty7ChevyNut View Post
get it running, might need it come winter when the power fails.
Nope I been working on this 66kw genset this summer 4 my power when outages come along. Waiting 4 decals so i can put it away.

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Old 09-20-2014, 11:10:02 PM
pegasuspinto pegasuspinto is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

This is not used at altitude, it is ground support equipment. It's like a supercharger but in this case it's just a blower.
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Old 09-21-2014, 05:35:18 PM
mschreiber mschreiber is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

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Originally Posted by pegasuspinto View Post
This is not used at altitude, it is ground support equipment. It's like a supercharger but in this case it's just a blower.
I understand that it was used on the flight line with apu's to get the big radials started.

What i don't understand the supercharging of the thing. The exhaust comes out of the block into the muffler, then tubing comes off near the bottom of the muffler toward the supercharger where the carb is with a throttle control then tubing goes into the supercharger then out of it to the intake port of the engine block. The squirrel cage blower is connected to both the engine crankshaft and the supercharger. The muffler must double as a muff and a aircleaner for the intake circuit. Thanks 4 any help.
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Old 09-21-2014, 06:06:37 PM
DustyBar DustyBar is offline
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Default Re: I think I got a WW 2 Supercharged Aircooled Lauson powered FLAME-THOWER

The engine runs the blower. The other "carb" provides fuel to the burner cans to heat the air. Its somewhat like those construction heaters, sometimes called salamanders. The blower provides more air pressure than a fan could. They run the flexible ducts to each location the hot air is needed, perhaps two engines and the cockpit. Generally aircooled aircraft engines use quite heavy oil, often 50w, and it needs a lot of preheating before the starter can turn that engine over.
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