augmenter for M40

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PyroJoe
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Re: augmenter for M40

Post by PyroJoe » Fri May 06, 2011 5:39 pm

The Thunderchine augmentors would need to be smaller. If possible print the plans at 74.6%

If not an option then try to build near the standard augmentor formula seen below. Bashing and weld what you have available as Jutte recommended.
Attachments
augmenter_parameters02.jpg

metiz
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Re: augmenter for M40

Post by metiz » Fri May 06, 2011 8:56 pm

How about this. Looks like they could be a bit longer?
Attachments
m40 augmenters.GIF
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Re: augmenter for M40

Post by ganuganu » Sat May 07, 2011 2:48 am

by using the standard augmenter formula i get the following values..

delta= 2*5= 10cm

D=2.6*5= 13cm

L=10*5= 50cm

R= 0.25*13= 3.25cm

what do you think about this..

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Re: augmenter for M40

Post by PyroJoe » Sat May 07, 2011 3:39 am

Ganuganu the math looks good, metiz, i agree that looks a little short for my eye. It is important to have a smooth interior seam between the flare and the augmentor body. Looks like the flare could be slightly wider, but what you have there is a good place to start.

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Re: augmenter for M40

Post by metiz » Sat May 07, 2011 10:44 am

The engine geometry is limiting what I can do with these augmenters unless I make then ridiculously hard to build. Ill lengthen the augmenters and add some fat to the flares. Asume they're hammered into a nice belmouth instead of a hard cone, don't want to make those things in sketchup :P
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Re: augmenter for M40

Post by ganuganu » Sat May 07, 2011 12:22 pm

here is the drawing of the calculated dimensions..is it k to use it in the intake side..
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augsssssss.jpg

metiz
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Re: augmenter for M40

Post by metiz » Sat May 07, 2011 5:57 pm

Look at your engine - you'll never be able to fit those
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PyroJoe
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Re: augmenter for M40

Post by PyroJoe » Sat May 07, 2011 7:22 pm

wow, those dimensions are on the large size, best to wait and see what metiz formulates.

metiz
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Re: augmenter for M40

Post by metiz » Sat May 07, 2011 10:29 pm

dual augmenters don't realy work. I'm trying to fix up a single augmenter for both intakes now. Kinda hard, stand by.
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Re: augmenter for M40

Post by ace_fedde » Thu Nov 10, 2011 11:19 am

'Knew I had them. 'Been looking a long long time for 'em. Found 'em:
AUGMENTOR.pdf
(29.88 KiB) Downloaded 270 times
NASA TM-2005-213854[1].pdf
(1.58 MiB) Downloaded 280 times
Rob Miller AIAA-2009-1063[1].pdf
(931.47 KiB) Downloaded 298 times
I will post a link in the plans section.

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Kool
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Re: augmenter for M40

Post by Kool » Thu Nov 10, 2011 9:45 pm

Dankjewel Fedde.

Thank you, reading english pulsejet reports is really good for maintaining the knowledge of the english language :)
...It's better to generate heat efficiently, than recover it efficiently...

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