#31
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I modified my Outlander to take 24mm motor tube. It was kind of a pain. I have not flown it yet. For my Semroc Mars Lander, I stayed with 18mm, and bought the Aerotech 18mm RMS hardware. I bought both the D13 and D24 reloads, and will likely try the D24 first. Here is my Outlander. A bit modified with styrene add-on pieces on the capsule.
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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 Last edited by LeeR : 02-10-2016 at 06:09 PM. |
#32
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IF I were going to try, I think I'd start with clear packing tape. Wind it sticky side out around a mandrel of some sort, one that you can handle without getting gunk the tape sticky side... overlap it a tiny bit so that the edges self-seal to each other, in a spiral pattern up the mandrel. Then put another layer sticky side down on top of it at an angle, wrapping the opposite direction. Alternate layers on top of one another like that until the desired thickness/strength is obtained. How clear would it be?? Clear, but not "optically clear" (as in you can see through it, but don't count on a camera to be able to see through it clearly-- of course cameras can't see through REGULAR extruded clear plastic tube worth a darn either-- they're not "optically clear"... (my brother and I learned that trying to mount a camera in the "driver's seat" of his RC monster truck looking through the front windshield of the Lexan body... the windshield LOOKS "clear" to the naked eye, but it's not "optically clear" to the camera lens... looks like it was filmed through a sheet of glass with a thin layer of Vaseline on it...) Later! OL J R
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The X-87B Cruise Basselope-- THE Ultimate Weapon in the arsenal of Homeland Security and only $52 million per round! |
#33
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You are better off looking for clear tubing that's already made unless you are talking about making a clear fin can for a scale project. I have a bunch of clear tube from: Home Depot or Lowe's has clear tube sleeves for fluorescent light bulbs. Pet stores have clear tubes for aquarium filter systems. Various places sell clear tubes of candy, especially candy canes at/after Christmas. McMaster Carr has a size or two of clear tubing, or at least used to. It's been years since I looked.
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I love sanding. |
#34
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I had tried that once before, but I did not do a good job. I gave it a try again and think it might work. If you crisscross the tape layers, then you get more seams that reduce the transparency. I tried doing the first layer spiral and then a couple additional layers convolute, then the seams don't build up so much. Either way, I think I could get an approximately transparent short payload tube with reasonable strength, it won't have to take ejection loads. But I do agree, these parts are so easy to find ready made, but I was just thinking of doing a mini downscale cardstock payloader, like a Snipe Hunter and wanted to attempt to build it all from scratch. But, hey, I can just get a full size SEMROC Snipe Hunter from eRockets anyway. Rolling paper tubes has advantages when you have a complex paint or decal scheme that you can just print up on your computer. |
#35
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From 3/16" diameter up to 5" diameter clear tubing. They also have thin wall and thick wall tubing. Work up a group buy for your diameter, as it is shipped by the box. http://store.visipak.com/Medium-Wal...stic-Tubes.html Or....Hit the office supply stores and look for clear pen tubes, hobby/craft stores for paint brush tubes, pen tubes, etc. If only x-acto still sold their knife handles in tubes instead of blister packs!
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I love sanding. |
#36
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Thanks for the tips. Those bulk packs are very economical, a group or club buy would be a good option. The purpose-built tubes are easy enough to acquire. I just like the challenge of re-purposing and recycling materials for rocket builds occasionally. I have been saving paper towel rolls and T.P. rolls that fit as couplers and was thinking of building a tall rocket (think Thunder ROC or Mean Machine) and calling it "NORTHERN BOUNTY" - get it? |
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