[chbot] Rockets anyone?

[Peter Harris]

Thanks for that Robin.
Here's a video showing some details of how these Thai rockets are built:

https://www.youtube.com/watch?v=JuysJjAw12s

Very elegant
- 2 burning fronts per rocket vent for twice the thrust,
- when the burning fronts reach the center the parachute restraints are
burnt through releasing the chute
- the circular wall acts like a fin adding to the stability provided by the
spin
- option to place the vents closer to the edge then the center so you get
extra initial thrust at launch then a longer sustained burn after the outer
front has consumed its fuel

I reckon that by picking the correct number of vents and their positions in
the fuel tube the Thai technology could reproduce the launch and powered
landing demonstrated in Mark's SpaceX video :-)

  P

Date: Fri, 2 Jan 2015 16:53:55 +1300

> From: "Robin Gilks" <robin at gilks.org>
> To: "Christchurch Robotics" <chchrobotics at lists.linuxnut.co.nz>
> Subject: [chbot] Rockets anyone?
> Message-ID: <9b8a4a865c0f06eb52a2f3b65dc9bd1a.squirrel at gilks.ath.cx>
> Content-Type: text/plain;charset=iso-8859-1
>
> Spin stabilised no less...
>
> https://www.youtube.com/watch?v=RRQaXDafs_Y
>
> Wow
>
> --
> Robin Gilks
> Internet: robin at gilks.org    http://www.gilks.org
> Tel:      (+64) (3) 347 4370
>
>
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