Monday, November 21, 2005

Project Orion Hot Rod Revisited

Project Orion Hot Rod Revisited, Part 1
Project Orion Hot Rod Revisited, Part 2
Project Orion Hot Rod Revisited, Part 3
Project Orion Hot Rod Revisited, Part 4

Simulations of the orignal flight by a modern model rocketeer.


Blogger Dick Stafford said...

I have since posted installment 4 (the last one).

5:52 PM  
Blogger Norden said...

Very good, I'll update the link. If I understand your post the simualtion covers the inital powder charge plus three explosive pulses in flight.

11:22 AM  
Blogger Dick Stafford said...

No, it only has three PETN charges. Thanks for updating.

1:27 PM  
Blogger Norden said...

The book implies the intial charge set V.001 to 20 meters per second.

4:56 PM  
Blogger Dick Stafford said...

Yup, I saw that. Skipping this for my sim just made things easier. There are so many things I don't know so the actual sim is just WAG anyway, that I figured I was doing fine if I hit anywhere near the real world. It appeared to be the inital charge was required in the real world to give some space below it in order to get the HE charge/ejection scheme working. From what I calculated, the total impulse of a pound of BP was in the order of 100 N-s vs the 800+ for the PETN.

6:41 PM  

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