Nerd Inc. Launcher Problems

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Kyky
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Re: Nerd Inc. Launcher Problems

Post by Kyky » February 22nd, 2020, 1:38 pm

We had some issues with the green button falling off but not with the button not working. Our launcher doesn't have too many issues with launching low pressures either. We did have the launcher issue with the O-rings causing the rocket not to launch but lubricating with some chapstick worked fine.
2019 Events: Herp <3 , WIDI, Game On, sorta Road
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Wolf865
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Re: Nerd Inc. Launcher Problems

Post by Wolf865 » March 9th, 2020, 7:43 am

Nerd type launcher kept malfunctioning at our regional too. Hit or miss as to whether it would release the rockets. They finally had to borrow our homemade launcher to finish the event. From your experiences, do your launches appear to have different results (i.e. height) based on the launchers being used? I’ve heard a couple people express concerns about there being a difference? Tried to make our launchers with the #94 o-rings but after awhile they all started leaking. Came up with an easier way to make a consistent tube bulge so switched over to that for the launch tubes.

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xiangyu
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Re: Nerd Inc. Launcher Problems

Post by xiangyu » March 9th, 2020, 7:48 am

Wolf865 wrote:
March 9th, 2020, 7:43 am
Nerd type launcher kept malfunctioning at our regional too. Hit or miss as to whether it would release the rockets. They finally had to borrow our homemade launcher to finish the event. From your experiences, do your launches appear to have different results (i.e. height) based on the launchers being used? I’ve heard a couple people express concerns about there being a difference? Tried to make our launchers with the #94 o-rings but after awhile they all started leaking. Came up with an easier way to make a consistent tube bulge so switched over to that for the launch tubes.
Yes, nozzle tightness and some other factors affect height. An old launcher of mine would shoot my rocket to the ceiling with only 20 psi while for the nerd launcher I need 36 psi - quite the difference.
2020 Events: Wright Stuff, Gravity Vehicle. Circuit Lab, Boomilever, Ping-Pong Parachute, WIDI

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