#11
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Doug .
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YORF member #11 Last edited by Doug Sams : 04-18-2009 at 02:53 PM. |
#12
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I have never flown composite motors, but something like this - a B or C 18mm motor - that I could fly comfortably in an existing rocket - would be the most tempting way for me to try it.
Added: Your comment just below is telling - and it needs to be a "per flight" cost, not just a per reload cartridge cost. I'm willing to amortize the cost of the reloadable case over, say, 10 flights but the operating cost - the reload cartridge plus the igniter - needs to be very much in the ballpark with at least hobby shop prices of BP motors. On valuerockets.com the E reloads for the 18x70mm case are already less expensive that E BP motors in the hobby shop but at $1.66 per launch for the related igniters that falls apart.... |
#13
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I think they would need to be priced lower than equivalent black powder motors to gain wider acceptance. When they were first introduced they did not sell well, probably due to the higher cost of the hardware and other factors.
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AeroTech Division, RCS Rocket Motor Components, Inc. 2113 W 850 N Cedar City, UT 84721 http://www.aerotech-rocketry.com http://www.facebook.com/pages/AeroT...ce/159005948954 |
#14
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Long burn B's would be great.
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#15
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I had to use the RMS D13-4W on an Estes Mercury Redstone (it looked great but was too heavy to fly on a C6). At a launch I had some help on how to put it together. It launched great with good recovery and I have been hooked on AeroTech composites ever since for my heavy or large model rockets. I would be interested in C12's and C18's, if that were possible, with a regressive thrust curve. Great boost off the rod but with a reasonable expectation that you will get the rocket back. Then I would be more likely to launch the modrocs on these. For sales, altitude and speed comparisons with a typical BP motor on your average modroc. If any of you haven't tried composites then you are missing out on a lot of fun. Here is a just for fun question: What if an Estes Rascal had an ALL IN load of Warp-9 in an 18/20 case? Greg |
#16
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You definitely could find a market for something like an 18mm C12 (high thrust short duration) reload with short time delay for use in Outlander, Mars Lander, and Space Shuttle models. Even say a B12 with a short time delay too. At the other end of the spectrum an 18mm E/D long burn motor for those lighter smaller models. And then you can add in the more normal motor sizes. I have no experience with composite reload motors, but I would definitely get an RMS-18/20 case if I could get a C12-3 reload. Then who knows what I might get once I take the initial first step.
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Have a good day Bob NAR 77103 |
#17
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Not just yes, but HELL YES!
And I'll second Indy's request for long burns.
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brianc -- NAR 83726 \ TRA 11640 \ L2 |
#18
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I, too, would love to see at least the return of the 18mm C reloads. I don't have a case yet (just got a 24 but haven't tried it yet - been too darn busy with other stuff) but I would definitely invest in one if the B and C reloads were added to the list.
On a side note, not really that related to this question, but something I've been wondering: Is there a reason that the new Mohave Green propellant is only available in 29mm G or higher? Is it possible to make 24mm reloads with the stuff? Just curious. Greg |
#19
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Gary,
Thank you for bringing this question before this august body. As a long time sport and contest flyer, I can see an arguement between long burn and fast burn motors. Having lost an 18mm RMS motor at the last NARAM (and purchasing a replacement at Value Rockets) I can see the advantages and disadvantages of long burn motors for duration events. I believe that the high-thrust fast burn motors are a better market. As other members have responded, having a really nice C motor for those heavier models would be great. I think the B impulse market would be more "iffy". I am sure that you will look at the currrent market and blend that in to the business model. Another decision is whether you want to market B and C 18mm reloads to the general market with a NAR safety certification or go for contest certification. The latter would require set delays, in deference to my friend Doug Sams asking for a delay that one could drill. All that said, I can only add, yes please. Chas |
#20
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I would purchase the RMS-18/20 for this reason. And for the E load for that motor as GH mentioned. I don't sweat the hardware cost. I'll be buying the RMS-24/60 motor soon and there's only the F35 available for it at present. However it's one of the few loads offered with an 11 sec. delay and I have use for that in lighter rockets. .
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Steve Naquin TRA# 677 L2 NAR# 85518 L2 SAM# 0052 🚀 In Construction: Der Blue Maxx/Minie-Magg 5.5” & Vander-Burn MDRM Clone w/Stickershock23 Custom Decals 🚀 In Paint & Detail: USR Banshee 🚀 In Build Queue: Estes Doorknob w/Vander-Burn Rocketry Upgrade Kit [Sport Decor], Semroc Centurion-F, Semroc Egg Crate 🚀 In Repair: SLS Lil’ Hustler, SLS Aero-Dart 1969 Trim 🚀 Stay Tuned For Fall 2021 Launch Dates Last edited by snaquin : 04-18-2009 at 10:37 PM. |
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