Added: 2 years ago
From: pulsarm265
Views: 87,471
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  • Wow......that small engine makes a lot more noise than the big one...!! ;-)

  • Why is it running in reverse?

  • @Wasa9191 It's a optical illusion. Something to do with rpm's of the prop and the frames per second of the camera. I think.

  • no mean feat indeed, bravo

  • love it . well done guys

  • no le gaste mas corriente a eso , que no sirve 

  • How may HP and at what RPM?

  • What are the two large drums??? Mustard and Ketcup?? :D

  • This looks like an engine on a B-29 right?

  • Extremely cool seeing that old beast run! Would it kill them to put a muffler on the apu?

  • Hope they use hearing protection!!

  • I think first engine starts out in the factory first

  • Do you think next time you could turn off that obnoxious Briggs and Stratton? Christ, it ruins the entire video...

  • @beeroosterm agreed

  • imagine what would happen is you put that in your lawnmower

  • giggity

    

  • Hey I'm from Wichita, now living in KC, been very impressed with the work done on Doc, but I have a question how many working engines does the restore team have now??

  • @WardogOtter Hi wardog,

    We only have one on a stand that allows running. All of them need overhauling before we would fly with them. We have enough parts for 6 engines

  • @pulsarm265 Ok that's good that there is enough to keep them running for a while. IS the plan still to restore her to flying condition?? or has that changed with the lack of a hanger?

  • @WardogOtter We are still going for flight. It just takes time when you don't have money.

  • @pulsarm265 Thank you, I know that both my father in-law and Brother support what you are doing, and as soon as I can i will be doing my best to support what you are doing...keep up the work as you can...until other things come through best wishes and prayers.

  • Awesome job guys! I salute you!

  • great!!

  • Awesome!

  • As the dogs: more smaller, more noise ...... silenced the APU!

  • love that song!

  • not bad seemed hard to keep her running. What were the problems?

  • why do all the apu's have to be so darn loud on everyone's setup, I think people try to make them louder then the airplane engine sometimes

  • i thought 3350 were 4 9 cylinder bank engines, i only see 2 or 3 banks

  • @vellieux

    The R3350 was an 18 cyl engine so you only see two rows of 9 cylinders.

    You may be thinking of the R4360, it was a four row 28 cyl engine, (7 per row).

  • Too bad that noisy APU spoils the fun.

  • I want one for my riding lawn mower

  • Beauty. Were they able to get up to full rated static while on the stand? I just love the thrum of a big old emgine like that. They really knew how to build them back in the day.

  • Not with that cut down prop. They'd need a full size prop to take that much power.

  • @Tremolux59: I've seen a paddle-prop for stands before that can take full-rated, but for this particular set-up I'm not even sure that one exists for such a big-ol beastie like this. Do have any info on how they used to test these back in the day?

  • Full size prop. What else can take that much power?

  • As a part of Pauls fuselage team, it warms my heart to see this moment!!

  • I had the privilege of directing this prject for over 6 years and watched the airplane transition from a corroded hulk to a beautiful statement of America's aviation heritage. The sound of that Dodge built 3350 lighting up for the first time brought tears to my eyes and a lump in the throat. Way to go, guys!

  • what the first engine for to help it start

  • Basically a generator used to provide electrical power to turn the starter motor plus also to provide electrical power to run fuel pumps.

    The B-29 actually has a small APU (auxiliary power unit) located in the tail section. You fire it up to provide electric power to the aircraft and provide enough power to start the main engines. Then they start #2 engine first because only 2 and 3 engines have alternators on them.

  • I thought #2 and #3 had the cabin superchargers (for pressurization) and #1 and #4 had the generators.

  • @Tremolux59 I spoke with my friend Bob Mann, a B-29 crew chief from Korea, hes written a book on the B-29 and is a great guy. Turns out we were both wrong.

    The B-29 had 2 generators on engines 1 and 4, 1 gen on engines 2 and 3.

    The R3350 in the B-29 was twin turboed, 2 turbos in parallel before the engine supercharger. Cabin pressurization air was taken from the inboard turbo from each engine.

  • Very interesting. Totally different from the way they did it on the airliners using the 3350s. I see the turbo + supercharger setup let them fly over 30k feet. The airliners didn't have the turbos and used superchargers only, hence the 25k feet or so service ceilings on the Connies and DC7. Cabin pressurization was from engine driven cabin superchargers. But the suberchargers were 2-speed.

    Do you know if B29 was light (no bombs and not a lot of fuel), could it fly on 2 out of 4?

  • @Tremolux59

    Yes it could. Paul Tibbets in his book told about how Dora Dougherty and Dorothea Moorman flew it that way as a show to the men at Alamogordo NM that flying the B-29 could be done by a woman... so the men would quit complaining!

    The R3350 on Connies and DC7s were Turbo Compound, which used Power Recovery Turbines, a turbine geared to the crank, to recover exhaust energy. It provided a lower specific fuel consumption.

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