Tuesday, October 21, 2008

Reproducing.....

Reproducing

10 comments:

Marcus said...

What are you doing with all the extra volume from the small spheres? Looks like they can hold a lot more than the cylindrical "leg-tanks" on the old vehicle.

David said...

Looks great - Good to see your going after the 180 second flight. I so look forward to updates - this is great news. Good luck.

Paul Breed said...

One holds 180 seconds of catalyst....
Two hold Kerosene........

Anonymous said...

seeing what has happened to TrueZer0 wehicle Your decission not to go looks more and more right

Paul Breed said...

Yea I had a sleepless night last night wondering if I was too chicken and true zero would pull it off.

It was hard to watch that much work crash, but its what I expected.

david said...

It means there will be at least 650K on the table for next year. It will be very interesting competion. I for one will be watching.

Marcus said...

Paul:
I am probably going to make a fool out of myself by asking such things, but being a space-nut without a thorough knowledge about those things I just have to:

Is the kerosene some kind of joke in response to my first (stupid?) question?

If not, what is the kerosene used for. Or in other words: how does it influence the decomposition of the HTP? Or are you now moving towards a biprop engine?
(As I understand it, kerosene and HTP can be used as fuel and oxidizer in a biprop engine, like it was the case in the UK Black Arrow rocket. But there is no mentioning of an additional catalyst on wikipedia)

Some days ago you have blogged about how it would have been better to use a solid catalyst instead of the purple menace. Would that require to much changes to the engine or are there other reasons why you didn't choose that route?

Iain said...

I wish I had those in my workshop!!
Looking good Paul!!

Paul Breed said...

With HTP step 1 is always get it to decompose. his can be done with a solid or liquid catalyst.
Once that is done you have a monoporp spewing steam and hot oxygen......

Add fule to th mix at this point and this nice hot oxygen burns the fuel releasing more energy.....

So the Kerosene is an attempt to make a biprop. We still have not decided on liquid or solid catalyst.

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