#1
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No sign of the C5-x yet
Nothing in the "engines" or "coming soon" sections of the Estes website.
Has anyone heard an estimate on its reintroduction...3rd or 4th quarter maybe? .
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#2
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Have not heard anything yet.
If they have to discontinue something though, I would hope it is the dismal C6-3. There is NOTHING the C6-3 does that the C5-3 doesn't do better. Same thing goes for the C6-0 vs the C5-0
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC ! |
#3
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I could care less about using a C5-3. The C5-0 booster is what I want. The perfect booster for a 3 stage minimum diameter rocket. |
#4
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Quote:
Now, if it were something like a C10... Doug .
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#5
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The C5-3 is a great motor for the Mars Lander, 1284 Space Shuttle, Centuri Space Shuttle,, and all other high-drag/mass 18mm rockets. It always out performs the C6-3.
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC ! |
#6
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I’m going to play ghrocketman, with a twist: What we need is a B14-0, and a C version, too, where the motor casing is full to the top with propellant.
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Lee Reep NAR 55948 Projects: Semroc Saturn 1B, Ken Foss Designs Mini Satellite Interceptor In the Paint Shop: Nothing! Too cold! Launch-Ready: Farside-X, Maxi Honest John, Super Scamp |
#7
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I used to have a bunch of C5-0 motors (still have a few). I used almost all of them to fly 2 and 3 stage rockets. Never had on tip over on boost. I flew a Comanche 3 on a C5-0/C5-0/C6-7 combo several times and got it all back most times. Every time it flew straight up. There was no wind, but if there had been I would never had used that combination. |
#8
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Quote:
The C6 has a nearly identical tail but less kick off the pad. The C6 tail might be closer to ~4.5N instead of ~4N shown on the C5 curve, but it is slightly longer in duration than the C5 tail. Both booster motors will break through and stage slightly sooner than the times listed if the samples are from delayed motors or are averages of all the motors together. There isn't a separate zero delay thrust curve like there is with some of the other motors. https://www.nar.org/SandT/pdf/Estes/C6.pdf https://www.nar.org/SandT/pdf/Estes/C5.pdf
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#9
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You are looking at 24 year old data that I would wager that is no longer valid. It may be NAR S&T valid in a squishy sort of NAR S&T way, but we would likely have a different opinion. Yes it's the only thing we have to refer to, but getting down to minutia like how the different motor "tail down" is probably just speculation.
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-Wolfram v. Kiparski NAR 28643 - TRA 15520 MTMA Section #606 President |
#10
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It's all I have to go by, but if the BP has changed enough to change the C6 performance over the last 24 years, it's probably going to change the C5's too. I doubt they re-engineer it.
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