PayLoad
I don't do spirals
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Thermal issues fixed - thanks to suggestions from ATHave you fixed the thermal issues from the last time you posted about this motor? From the previous post it definitely looked like it exceeded the 200 C casing temperature limit for commercial motors. I know that even Aerotech had issues with that limit on their new line of 29mm endburning motors.
This looks like a really cool motor if it gets certified. It should have a pretty good shot at the I altitude record.
If I understand correctly, this is mostly an endburner? If this is the case, can you share any info on how you got such a fast burn rate (3.5+ inches per second) if my napkin math based on the picture of the case is correct.
I have no idea how to visualize this or how it would work to produce such a flat thrust curve, but am certainly curious to see the video. In addition to that could you perhaps post a sketch of the grain geometry?1/2 Center core, 1/2 end burn. Roughly
Tripoli certification is intended for manufactures who intend to sell motors, not for individuals wanting to use their own motor as certified.
There are requirements to be a Commercial Manufacturer, this is right off the TRA website.
5.2. A party may apply to TMT for recognition as a Commercial Manufacturer. An application shall consist of a cover letter requesting recognition of the individual/company/other party as a commercial motor manufacturer, plus all required documents as described here to be submitted by hand or by mail to the TMT CHAIR.
5.3. Applications shall be made by submitting copies of at least three of the following: (1) Business license; (2) D/B/A or partnership filings; (3) Certificate of Incorporation filing receipt; (4) Relevant permit/license granted to the company or party in question by a government agency; (5) Company’s Certificate of Authority/Sales Tax Certificate; (6) Company’s business telephone listing in white or yellow pages; (7) First and last pages of a commercial release relevant to the application; (8) Company catalog; (9) Recent company advertisement in a regularly-published periodical; (10) Commercial web site/Store URL.
...38 mm and shorter might fly higher and be easier to produce. I haven’t modeled the scenarios...
I guess I don’t understand. This is exactly why some people do research. Why is there no point?A shame that this isn't practical. I was interested when I saw the thread title because I'd like to fly a thrustless Nil0-7, or -10, or some such. It's all smoke. Probably 18 × 70 mm, slow burning fuel rich R-candy, and no nozzle. But I'd need to be L2 certified, and limited to Tripoli research launches.
I haven't really developed it, because there doesn't seem to be any point.
I'd like to fly a thrustless Nil0-7, or -10, or some such. It's all smoke. Probably 18 × 70 mm
I forgot to say you can always sell DIY composite motors out of the trunk of your car or truck. at launches . I've seen that done too.
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