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Static testing for high power V2

#1 · March 7, 2025, 12:47 pm

Rocketry joe presents static testing for hi powered V2 model rocket. Watch the video and like on YouTube

This model has a dual deploy feature, which will help return the model. Black powder is used as a charge to eject 2 components at the specified time using electronics. The static testing is required to determine how much BP is needed. The first section, the drogue, and the main chute n nose cone. Each with a separate charge and timing. Thanks to Eric for going thru the details. The plan is to fly this model at end of March at red glare

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#2 · September 3, 2025, 8:27 pm

I wanted to retest the dual deploy on my V2. Eric kindly replaced the wires with charge wells and I was gifted a can of BP. I didn’t know how the BP was stored.
the video is posted on YouTube

thanks to Eric!

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#3 · September 5, 2025, 9:11 am

Two caveats!

The altimeter/battery sled need to be anchored for flight! I see two "tubes" in the middle of your plywood sled. I do hope that they will be used to anchor that sled onto the all-thread I see. If that sled is allow to jostle about in the av-bay, it could lead to premature detonation of the ejection charges, damage to the altimeter yielding no detonation, or damage to or separation of the electrical cabling and connections.
Elephant BP hasn't been made in close to 25 years (evidenced the metal can) and was of questionable quality. You definitely want to test your charge amounts by ground testing.

Zielijo1 has reacted to this post.

#4 · September 5, 2025, 1:04 pm

Yes, sled firmly attached. No hot glue or tape unlike some other recently approved L2 flyers

inherited the BP can. First one ever owned, hence one objective was to test this supply of BP
conclusion V2 ready for next flight

no modifications to sled attachment and this was my previous flight 😉

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#5 · September 5, 2025, 1:07 pm

There is a corrupted video clip in the YouTube link

since I’m my own help desk, I corrected the video, audio in sync now

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#6 · September 5, 2025, 2:48 pm

Quote from Zielijo1 on September 5, 2025, 1:04 pm

Yes, sled firmly attached. No hot glue or tape unlike some other recently approved L2 flyers

ROTFLMFAO!

#7 · September 5, 2025, 2:54 pm

One last comment...

That eye-bolt should really be attached between the two all-thread holes. Where it sits now will allow forces to easily sheer off part of that bulkhead.

#8 · September 17, 2025, 9:21 am

"That eye-bolt should really be attached between the two all-thread holes. "

Sound engineering advice. Just add a new one. Leaving the original in place . 10 minutes effort f insurance.

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