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  • Re: Progress on the SJ81

    Hi Mike I shouldn’t image the flow rate would be much different between water and Jet A , they’re both of similar viscosity , flow does change a bit with

    racketmotorman 6 days ago
  • Re: Progress on the SJ81

    John - Thanks for calculations. I've been busy calculating different nozzles also doing a lot of welding on that duct.I think I will use a system similar to

    mearly22 7 days ago
  • Re: Fuel Pumps

    They work just fine at those pressure for years, im running one with waste oil at 600psi, its a 2 stage version but handles it no problem. I also used the same

    steven.bmw850 20 days ago
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Group Description

Believe it or not, almost anyone can build their own jet engine using materials as simple as old auto parts and a few pipe fittings. These engines are not toys, they are real jet engines built by keen individuals. When you apply for membership, please give a good reason for wanting to join that shows that you have a genuine interest in the subject.

New members are directed to the '1_Starter Pack' folder in the Files section as answers to initial queries should already be there, but remember, they are guidelines only and should NOT be solely relied upon for a successful build..! ;o) Check out the 'People Map' app in the 'Groups Labs(Beta)' section which allows you to see where other members are located and the 'For Sale' app for items that may help you get started.

And finally...


is the nature of this group, what we do here is largely, if not wholly experimental and as such there are the inevitable dangers that come with the
territory. Please be advised that although every effort is made to ensure
that all project diagrams published on this group are safe, they should be treated as
essentially untested and as such should be approached with caution. Anyone
attempting to build one of the projects based on a diagram published on this
group does so at their own risk.

Thanks, and enjoy! ;o)

Group Information

  • 5589
  • Mechanical
  • Apr 24, 2000
  • English

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