L2 TIME

[Bruce R. Schaefer]

All 3 but not on the same day. So did James..

Not surprised. I was there for your L3. Sweet!

[Anonymous]

I’m intrigued with certifying all three levels in the same day on the same rocket. Art, are you going to try that again? I know a couple of others who have done it… I’d say maybe an I600, a J-something, and a ittsy bittsy M 🙂

Another deal that interests me is doing 100K in a day on the same rocket by myself. That would be *tough* and it would take a lot of luck. I think the only way to do it would be a perfect day at Black Rock with 3 or 4 boosts of a minimum diameter M. It would be a serious dent in the old checking account, too 😯

[Bruce R. Schaefer]

I’m intrigued with certifying all three levels in the same day on the same rocket. Art, are you going to try that again?

JW, I’m wondering about that, too. One, mostly for Art; the other for selfish reasons. I just received a PR Intimidator 5. I wonder about the integrity of Curtis’ G-10 tubes. Never had a problem, and the ones I received today (FedEx… evidently, delivers on Sundays, hope my wife didn’t see that when she went to work this morning… note to self: florist…) look sound, even more so than the ones I used before. Art, it’s obvious you didn’t zipper and that the tubing split, I “think,” when the main charge ignited. Did you ground test with no difficulty?

100k in a day. JW, only you could do that. How about just one humongus rocket? Or, use that O minimum diameter you just had a very successful flight with? 8)

[Anonymous]

BSchaefer wrote:

note to self: florist…)

HA! Bruce, you made me laugh quite heartily!

With regard to Performance Rocketry tubing – I flew an M1939 in a 4″ rocket at BALLS. I really didn’t have time to finish this rocket as thoroughly as normal, as I broke my foot part way through construction, plus I was moving to Iowa. Bottom line, I took PR tubing and flew a rocket that I really thought was about half-done – at best. It was minimum diameter and it had a 100% M inside. I’m normally pretty thorough, but this time events conspired against me. I bit my lip and pulled the trigger anyway.

The rocket did GREAT. No problem whatsoever. This was my first experience w/ PR tubing. I’m a fan. Now, if Curtis could find the time to check his voice mail, answer his phone, or return emails, I’d buy more. I’ve never seen a better product with worse customer service. Never.

At the end of the day, when you build with it, the material will stand up to whatever you can dish out. I’d put a mid N in my M rocket in half-a-heartbeat…

Regarding 100k in a day? I can tell you that 20K+ is really tough. I went 0-for-3 before I connected. My current plan is a 35-37K blast (easier said than done) boost at BALLS next year. I then plan to fly the same rocket with a different cone to see how cone shape affects performance. I can’t see flying 3 M’s in one day, though. Still, it would be tempting if I thought I could crack 100K???

JW

[Warren B. MusselmanModerator]

100K in a day has already been done – by an NCR team. A single 38mm rocket, a group of NCR folks, and free 38mm motors from Cesaroni made it happen… There is a photo gallery about it in the Photo Album.

Warren

[Anonymous]

100K in a day has already been done – by an NCR team. A single 38mm rocket, a group of NCR folks, and free 38mm motors from Cesaroni made it happen… There is a photo gallery about it in the Photo Album.

Warren

I know, I was one of the instigators of 100k in a day 🙂 BTW, the motors weren’t free, we bought ’em.

I’m talking about ONE person and ONE rocket doing 100K in ONE day. When we did it, we had a couple of dozen elves, and it was a lot of work.

To put this in perspective, I’ve flown a grand total of 979,000′ on 120 boosts and 8+ years. I can’t imagine doing 10% of that in a single day without help… I will say that if I have clean recovery of a couple flights over 33K and 100K is w/in reach, I’d probably try to git ‘er done 8) — but the highest I have gone is 23,580. Getting two clean shots to 33K+ is a lot (LOT) to a expect from anyone, anywhere, anytime.

[Conway StevensParticipant]

I was going to say… Yeah I remember being one of the Goons as part of the exec committee Of PHITS that came up with that Idea along with JW and others there at that time to do the 100K in a day. As I remember we all had a fair share to pitch in to pay for all those motors for that event. Yes CTI gave us a discount as one could say but we had to pay for all of that and anything else that was used or damaged that belong to others. I can remember that day well. We busted our buts. I think I still have the Article that John Skuba and Myself help write for The NAR rocketry magazine.

Big difference in a TEAM of people though vs 1 person. WOW that would be really tough. Did I mention Really Tough……

[Bruce R. Schaefer]

It had a 100% M inside.

So much so, the M1939 is called a “baby N,” at $600 a pop! Hey, I’m not kidding about the florist. 🙄 I like your comparison of nose cones, Ogive vs. Conical. I’ve been meaning to do that for many, many years. Forget theory, what WORKS!

[SCOTT EVANS]

HEY

You guys are “RIDING ON MY POST” I feel so used and neglected!!! 😉

scotte

[SCOTT EVANS]

and ignored

[Author]

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