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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
Nice work Adrian, looks real nice. What is the overall weight? how much weight did you had?The cured carbon fiber was 13 grams, before I added the epoxy to the outside and tungsten/epoxy to the tip. Then it was 170… Read more»
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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
Very nice Adrian. You should try spincasting them. I’m sure a chopped carbon fiber layup would be as strong and smooth. Tungsten is used to weight golf club heads – you know, the new space ship flying saucer drivers.EdwardToo bad… Read more»
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replied to the topic 6 years, 7 months ago
Nice work Adrian, looks real nice. What is the overall weight? how much weight did you had?
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edward replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
Very nice Adrian. You should try spincasting them. I’m sure a chopped carbon fiber layup would be as strong and smooth. Tungsten is used to weight golf club heads – you know, the new space ship flying saucer drivers.Edward
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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
These days, tungsten powder is pretty easy to come by, because apparently golf club makers use it. You can buy 1/2 lb it from Amazon for $20. For me it would be a little pricey for noseweight on a really… Read more»
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Warren B. Musselman replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
I’m impressed. I’ve molded a fair number of things – a motorcycle fender from carbon fiber for a buddy, a part for another guys’ motoglider kit that he damaged, a replacement piece for a carbon-fiber laptop shell (really proud of… Read more»
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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
Here it is with the epoxy/tungsten powder cast into the tip of the nose. Yes, the rocket is balanced on that cup.The extra coating of epoxy on the outside came out uneven, so I sanded most of it off and… Read more»
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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
My second attempt (bottom) came out much better than the first one (top):I need to get it back into the mold and cast the noseweight into place, which will complete the tip. While I’m at it, I’ll add coat the… Read more»
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Adrian replied to the topic "Silicone nosecone mold" – 6 years, 7 months ago
My last nosecone attempt was mostly a failure. I had too much of the carbon sleeve in the mold, so it bunched up and wrinkled, making a couple of deep divots. I thought the vacuum bag would push it down,… Read more»
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Jeffrey Joe Hinton replied to the topic "April launch still a 2-day event?" – 6 years, 7 months ago
The intent was to take advantage of the weekend for Tripoli members wanting to fly Research loads on Sunday. Saturday is for Commercial motors and a launch day for NAR and TRA members. Sunday was scheduled as a TRA Research… Read more»
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Tim Thomas replied to the topic "Going to Vegas" – 6 years, 7 months ago
8) Thanks to Tripoli Vegas for the prize! I hope we have better luck next year with the weather. This is a great group to fly with.
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replied to the topic 6 years, 7 months ago
Tripoli Vegas Blackjack (Supported by Wildman Rocketry): Tim Thomas won a Wildman Darkstar 4″ kit!WOOT, WOOT! sweet Tim. 😀
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James Russell replied to the topic "Going to Vegas" – 6 years, 7 months ago
I may try to go next year, was always a great time.
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Dave Tjarks replied to the topic "Going to Vegas" – 6 years, 7 months ago
SF was always a great time when I went. I thought it dried up from what it was. Got a launch report? Or does that stay in Vegas too?
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replied to the topic 6 years, 7 months ago
I got my L1 at Springfest 1999. Tell everyone “hi” for me!
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Jeffrey Joe Hinton replied to the topic "Going to Vegas" – 6 years, 7 months ago
Rolling on Thursday! 😀
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Chris LaPanse replied to the topic "Video on shockwaves" – 6 years, 7 months ago
Hard to say, honestly (especially since I don’t remember the event). I’d be surprised if it were mach-related, but it’s not impossible.
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MikeS replied to the topic "Video on shockwaves" – 6 years, 7 months ago
One time last year..At the North Site a rocket left the pad and made a strange(clear) disturbance in the air.It was noted by the LCO at the time.You had to be in the right place at the right time. Andthe… Read more»
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Warren B. Musselman replied to the topic "Video on shockwaves" – 6 years, 7 months ago
Woah!
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replied to the topic 6 years, 7 months ago
And the winner is… nobody actuallky. We had three entries. One didn’t fly (cloud base too low at the time), another launched and was lost, and another had a nice flight, but the altimeter didn’t return a believable number.So were… Read more»
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