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Model Forum / General / Rockets / April 2009WANTED: Estes Skywinder
[As quiet as this newsgroup is, I'll try this anyway.] I'm looking for someone who has an out-of-production Estes Skywinder that they would be willing to part with. It's fine if it's new or used, assembed or not. (Just that, if it's been assembled and flown, I'd like it to be in halfway decent shape.) Thanks. What's your timeframe (I won't be able to look through my stash for a few weeks, I'm away)? I MAY have a built one that works well (don't remember if I still have it). And where are you located? David Erbas-White > [As quiet as this newsgroup is, I'll try this anyway.] > [quoted text clipped - 4 lines] > > Thanks. > What's your timeframe (I won't be able to look through my stash for a > few weeks, I'm away)? I MAY have a built one that works well (don't > remember if I still have it). And where are you located? > > David Erbas-White I'm in no particular hurry, and I'm in west Michigan. Thanks for looking - when you have time. > [As quiet as this newsgroup is, I'll try this anyway.] > > I'm looking for someone who has an out-of-production Estes Skywinder > that they would be willing to part with. It's fine if it's new or > used, assembed or not. (Just that, if it's been assembled and flown, > I'd like it to be in halfway decent shape.) Why not just scratchbuild one? The plans are bound to be available somewhere online. Chris  SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR > > [As quiet as this newsgroup is, I'll try this anyway.] > [quoted text clipped - 12 lines] > UKRA #1108 Level 2 UYB > Tripoli UK Member #9527 LSMR Not really possible as the model used a large number of plastic parts with unique shapes. The blades, the rotor hub, the fin can, the fins, the nose cone, etc. And the first production run did not work properly so they had to double the nose weight to get it to come down nose first every time. The added weight made it a real clunker during boost - ESPECIALLY when the "Poopy Clay" nozzle motors were being sold and the C5-3 was discontinued. With a good nozzled C6-3 and a 4 foot long steel launch rod it is not too bad. > With a good nozzled C6-3 and a 4 foot long steel launch rod it is not > too bad. After the first few successful launches of my first Skywinder, I wanted to step things up a bit and launch it on D power. I used an Aerotech 18mm reload - the flight was great and the altitude awesome, but the ejection charge literally blew the nosecone right off of it. It tumbled rather than helicoptered. I found both parts, epoxied the cone back on and tried again with half the black powder in the ejection well. It blew the cone off again. I never found the cone, and the front edge of the body tube was basically shot. Bought another kit, used epoxy for the nose cone retainer again, and tried a third time. I swear I used even less black powder, but it blew the cone off again. I don't know how my fourth attempt went - I lost track of it in the sky and never found it - or my 18mm reload hardware. :( So, my goal of a successful D-powered Skywinder launch was never realized. Since my interest in rocketry has been recently piqued again, I'm thinking of possibly attempting this again. How sad that this kit is OOP and there is no suitable replacement. (Does anyone know how long ago it went OOP?) I'd love to find folks that have these and are willing to part with them. > > With a good nozzled C6-3 and a 4 foot long steel launch rod it is not > > too bad. [quoted text clipped - 20 lines] > know how long ago it went OOP?) I'd love to find folks that have > these and are willing to part with them. Better kits: http://www.apogeerockets.com/Heli_Roc_Kit.asp http://www.apogeerockets.com/texas_twister.asp > Better kits: > http://www.apogeerockets.com/Heli_Roc_Kit.asp > http://www.apogeerockets.com/texas_twister.asp Definitely cool - thanks! >> With a good nozzled C6-3 and a 4 foot long steel launch rod it is not >> too bad. [quoted text clipped - 5 lines] > know how long ago it went OOP?) I'd love to find folks that have > these and are willing to part with them. I've always loved the Gyroc. Even made a few 'trirocs' but those required significant nose weight to be stable. One time I made a BT50 Triroc that I used to fly on Estes D. It flew good but it would make a sizable audible pop upon ejection. Good thing too considering I'd lose site of it every time I flew it. Ted Novak TRA#5512 >> [As quiet as this newsgroup is, I'll try this anyway.] >> >> I'm looking for someone who has an out-of-production Estes Skywinder >> that they would be willing to part with. It's fine if it's new or >> used, assembed or not. (Just that, if it's been assembled and flown, >> I'd like it to be in halfway decent shape.) >Why not just scratchbuild one? The plans are bound to be available >somewhere online. A skywinder would be a fairly difficult scratchbuild as it has rotors and a special molded piece that the rotors pivot on. I know someone who built and flew a very upscale version of the skywinder, but it was a lot of work to machine the part where the rotors attach. >>> [As quiet as this newsgroup is, I'll try this anyway.] >>> [quoted text clipped - 12 lines] > skywinder, but it was a lot of work to machine the part where the > rotors attach. A HPR one would be a different proposition but having looked at the plans, I'm pretty sure I could scratch one of those given a craft knife, some solvent and some plasticard in a few evenings. Chris SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR > A HPR one would be a different proposition but having looked at the > plans, I'm pretty sure I could scratch one of those given a craft > knife, some solvent and some plasticard in a few evenings. Oh, just how high power are you talking? I'm not HP certified yet - another potential goal. I've done my own scratch builds using existing & available parts, fabricating little more than my own fins (and sometimes incorporating "non-rocketry" items in unique ways :), but never anything as ambitious as you're talking. Let me know if you could seriously consider taking this on. Thanks. >> A HPR one would be a different proposition but having looked at the >> plans, I'm pretty sure I could scratch one of those given a craft [quoted text clipped - 8 lines] > anything as ambitious as you're talking. Let me know if you could > seriously consider taking this on. A HPR one would need fibreglass sheet and epoxy to take the potential recovery loads. A model one would be fine with plasticard, balsa etc. and some short pieces of steel rod as the pivots. All the sliding bits could be made from balsa and cardboard tube. Chris SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR > A HPR one would need fibreglass sheet and epoxy to take the potential > recovery loads. A model one would be fine with plasticard, balsa > etc. and some short pieces of steel rod as the pivots. All the > sliding bits could be made from balsa and cardboard tube. Forgive the stupid question, but what is plasticard? If I went into a hobby shop and asked, would they know what I was talking about, or would they look at me strange? :) (Can you tell that my DIY experience is limited? :) >> A HPR one would need fibreglass sheet and epoxy to take the potential >> recovery loads. A model one would be fine with plasticard, balsa [quoted text clipped - 6 lines] > > (Can you tell that my DIY experience is limited? :) I don't know what you call it over there but it's solid styrene sheet and you bond it together using a solvent. It's very easy to cut complex shapes and bond them together, and it's quite strong enough to make simple mechanisms like this. http://www.stationroadbaseboards.co.uk/z_faq-plasticard.htm Chris SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR >A HPR one would need fibreglass sheet and epoxy to >take the potential >recovery loads Chris, Isn't it about time you made a HPR Srcoton. That was so cool!! http://www.rocketreviews.com/reviews/all/scroton.shtml Damian SignatureDamian Burrin UKRA 1159 Level 2 RSO http://www.ukrocketry.com http://www.larf-rocketry.co.uk LARF - Putting the amateur back in rocketry!! >>A HPR one would need fibreglass sheet and epoxy to >take the potential >>recovery loads [quoted text clipped - 4 lines] > > http://www.rocketreviews.com/reviews/all/scroton.shtml I just have issues with cutting three identical wing profiles for that. A balsa/glass one for long-burn D motors would be really great too. Chris SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR |
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