Wide-range universal launcher

Discussion about Compressors, hose, pipes, fittings, launchers, release mechanisms, and launch tubes.
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anachronist
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Re: Wide-range universal launcher

Post by anachronist »

Yes, a one-way valve would help. I bore out the end of my tube and put a ball in it (like a glass marble), then trap the ball with a coat hanger wire across the top, making sure the wire doesn't poke out beyond the walls of the tube.
cprobertson1
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Re: Wide-range universal launcher

Post by cprobertson1 »

anachronist wrote: Thu Aug 09, 2018 11:46 am Yes, a one-way valve would help. I bore out the end of my tube and put a ball in it (like a glass marble), then trap the ball with a coat hanger wire across the top, making sure the wire doesn't poke out beyond the walls of the tube.
Nice! I was thinking along the lines of using the ball from an old mouse: marbles are easier to get in bulk though!
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

I use a different launcher system. It allows for many thrust variations, a passive release for multi stages, and passive parachutes.
At the moment it will launch 12 - 1250ml pet bottles pressurized 130 psi. This is the monster rocket I’ll use to get the other 4 stages
In the air and moving in the right direction, up. The second stage is 6 - 1 000ml bottles. The third stage is 3 -750ml bottles which will act like
Boosters, they separately without parachutes. The 4 stage is 3 - 750ml bottles with parachute. And the 5 stage is 3 -500ml bottles with parachute.
The video is of the top 2 stages. Perfection takes time.
Attachments
IMG_3048.MOV
(34.56 MiB) Downloaded 60 times
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

Kenner wrote: Fri Feb 10, 2023 12:11 pm I use a different launcher system. It allows for many thrust variations, a passive release for multi stages, and passive parachutes.
At the moment it will launch 12 - 1250ml pet bottles pressurized 130 psi. This is the monster rocket I’ll use to get the other 4 stages
In the air and moving in the right direction, up. The second stage is 6 - 1 000ml bottles. The third stage is 3 -750ml bottles which will act like
Boosters, they separately without parachutes. The 4 stage is 3 - 750ml bottles with parachute. And the 5 stage is 3 -500ml bottles with parachute.
The video is of the top 2 stages. Perfection takes time.
Here’s what I’m looking for , separation with maximum velocity from first stage.
Attachments
IMG_0008.MOV
6 - 750ml bottles first stage 3 - 500ml bottles second stage. 130 psi
(39.97 MiB) Downloaded 64 times
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

Boosters should separate at maximum velocity. Check
Attachments
IMG_2098 2.MOV
3 - 750ml booststers launching 3- 500ml bottles
(31.36 MiB) Downloaded 55 times
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

I need 10 more posts before I become a member automatically, hopefully it will be worth it.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

Normally I post comments after I become a member.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

I waited months now and no response from WRA2.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

Now I try 15 posts.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

6 posts to go.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

5 posts to go.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

4 posts to go.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

3 posts to go.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

2 posts to go.
Kenner
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Re: Wide-range universal launcher

Post by Kenner »

Am I a member now, let’s hope it’s worth it.