Is this an effcient RamJet design?

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Harabec
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Is this an effcient RamJet design?

Post by Harabec » Mon Sep 12, 2005 2:35 pm

Ive been building a series of ramjets with little succes.
would these numbers make a somewhate effieceient ram jet engine?

thrust- 35-40 lbs
diffuser entrence area- 5.256 in
nozzle exit area-4.396 in
cobustion chamber length-9.652 in
total length-19.304 in.
nozzle exit cone angle 8.56 degrees
entrence to cobustion chamber-5.272 in
combusiton chamber exit-4.370 in
combustion chamber (total) diameter-7.681 in
needs supervision.........

Viv
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re: Is this an effcient RamJet design?

Post by Viv » Mon Sep 12, 2005 3:12 pm

Theres a nice little program called RJSC I downloaded from a nasa or naca site years ago.

Try this link, its got some information on the site that may help you and a link near the bottom for the program.

http://www.alt-accel.com/arla/news1.htm

If you cant find it I have a zip of the original download but I am on dial up and its a meg, so would prefure you to find it rather then me waight an hour to post it;-)

Viv

Harabec
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re: Is this an effcient RamJet design?

Post by Harabec » Tue Sep 13, 2005 4:09 am

what one?
needs supervision.........

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