SanDomingoJim Posted March 16, 2017 Share Posted March 16, 2017 18 minutes ago, ArcticDave said: Yep. We'll see how close I can get. My Grandpa had model planes and a toolbox full of the little engines. I got my finger whacked a few times starting the little things. I don't remember if he did the control line thing or not. I do remember him letting them just fly free. He had a big pasture out back though...those things can go a surprising distance I remember when my brother and I were young, my Dad bought a little fly by fishing line wire airplane. We took it to the school yard one evening and Dad kept explaining how he was going to fly it first and we were to learn his art of expertise. He added the fuel and fired it up and around and around it went 2 1/2 times before it crashed into the ground. We gathered up the pieces got into the truck and drove home, never to mention the subject again until now 58 years later. Later on when I got bored I would take that little engine out, add a little fuel, spin the prop and watch it run. Dad must of heard it one day cause that little engine disappeared, never to be heard again. Old memories. 5 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 16, 2017 Author Share Posted March 16, 2017 Pop flew a medical evac plane in Germany during WW2. I don't think he could afford his own plane, so he didn't get to fly much after the war. I think he missed it and model airplanes were as close as he could get. There were pictures of airplanes, airplane calenders and all kinds of aviation related stuff all over the place. It was cool growing up around him. 1 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 18, 2017 Author Share Posted March 18, 2017 All tacked up @ 33 lbs! 4 Quote Link to comment Share on other sites More sharing options...
homefire Posted March 18, 2017 Share Posted March 18, 2017 Man that's Magic right there. !!!! Your WELL in the mark, Eaaa? Only Tacked ? Spread that weld like Butter. Butter makes things Better Ya know ? Trade Ya Jobs ? My Mitsubishi Zero Aka Eclipse chit a CV joint. Seems it was ready for Ball Joints , Tie Rod End and Bearings too. Guess I get to do them all now sense the hub and spindle had to come off. Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 (edited) Awww man....that blows! Might as well do it all while you got it apart. It's enough of a pain in the azz to do it once. Doing it again would suck even more. I only tacked it until all the pieces were in. If you try and weld it before, that thin tubing will distort. Amazing how much it moves with some heat. It's time to fully weld it now. I'll gain a lb of filler rod and a few lbs for mounting tabs, paint and whatnot. Should still come in under 40...thats fine with me. Edited March 19, 2017 by ArcticDave Quote Link to comment Share on other sites More sharing options...
Swampstomper Al Posted March 19, 2017 Share Posted March 19, 2017 1 hour ago, homefire said: ...Guess I get to do them all now... Like Dave said, and now me too.. At this point that's pretty much a no-brainer: Once and done.. Up the road you'll be wayyy glad you did..! Swamp Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 Yep. Well It seems I managed Damage the Bearings. After getting them in they don't feel so good. I get to do it all over again... $35.00 for the Bearings this time I think I'll find some one to press them out AND IN. Dang..... HF Quote Link to comment Share on other sites More sharing options...
weaver hillbille Posted March 19, 2017 Share Posted March 19, 2017 On 3/13/2017 at 8:26 AM, homefire said: Yep, You can Forget Rocket Engines. If they do have them there just the little AA or C size. No more D and F. Got's to make your own of those too. SUgar and stump killer will take you far Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 22 minutes ago, weaver hillbille said: SUgar and stump killer will take you far LOL Rocket Candy. Some Cold Packs are good too. Quote Link to comment Share on other sites More sharing options...
weaver hillbille Posted March 19, 2017 Share Posted March 19, 2017 CAn ultralights have rockets to aid takeoff? Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 7 hours ago, weaver hillbille said: CAn ultralights have rockets to aid takeoff? I don't see why not...other it wouldn't be very practical. Speaking of rocket engines though, I was at Hobby Lobby yesterday morning and they had D and E size engines. Homefire, if they feel rough...change em out. I made a press once from a bottle jack, I beam, and a couple of chunks of heavy chain. It was a bit ungainly, it did work well though. Quote Link to comment Share on other sites More sharing options...
weaver hillbille Posted March 19, 2017 Share Posted March 19, 2017 2 hours ago, ArcticDave said: I don't see why not...other it wouldn't be very practical. I know, but you could do it. It would make it heavier , though, due to flame proofing materials and added stress to the airframe. Here's a RATO RC plane RATO RC 1 Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 (edited) 3 hours ago, ArcticDave said: I don't see why not...other it wouldn't be very practical. Speaking of rocket engines though, I was at Hobby Lobby yesterday morning and they had D and E size engines. Homefire, if they feel rough...change em out. I made a press once from a bottle jack, I beam, and a couple of chunks of heavy chain. It was a bit ungainly, it did work well though. Yea, Yanked it all apart. Going to get someone in town to press them in. Tired of messing. JATO, Yea Man. I have a 12lb and 3lb thrust Pules Jet here if you like Flames and Noise ? LOL Edited March 19, 2017 by homefire 1 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 Pretty cool stuff there. I didn't know how simple of a mechanism they are. A bit of math for taper and chamber sizes, but very little to the jet itself. Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 The ones I have don't even have the Valves. This one is just like the 3lb I have. 1 Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 This is the same as the 12lb Chines Valveless I have. There a Hoot to play with. 1 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 (edited) Jeez...those are loud! Probably is fun to play with. Edited March 19, 2017 by ArcticDave Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 Resonant Frequency on them is like 180 - 280 Hz, Depending on size. Like a shot gun going off that many times a second. LOL No Stealth Mode flying. Oh Hitler used them for his Buzz Bombs hense the Name Buzz bomb. Cheap, so easy to Make the Slave Labor couldn't mess them up. Dependable and Worked. 1 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 (edited) Elegantly simple. Makes perfect sense to use them for that purpose. I just had a visit from Tempe Dave on his way home from Bill's outing. He gave me a set of blueprints for a Pietenpol Air Camper that he had saved up his wages for, back in the 60's! Cool design thats been around since the late 1920's and still has an active following. Check out the drawing date in the second pic... Is it too early to start thinking of building a second plane? Thanks Dave!! Edited March 19, 2017 by ArcticDave Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 Here is a particularly nice example. Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 Using modern Materials you could do that Ultra Light Status. Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 I bet you could, but you would lose the passenger seat. If falls perfectly into Light Sport rules and it would be nice to take another person along...sometimes 1 Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 There ya go. Your Next Step to Freedom. Eaaaa, That would sharp with a pair of Victor Guns on top. 1 Quote Link to comment Share on other sites More sharing options...
Sonoran Dave Posted March 19, 2017 Author Share Posted March 19, 2017 We'll see if I survive the first one Quote Link to comment Share on other sites More sharing options...
homefire Posted March 19, 2017 Share Posted March 19, 2017 Ahhhhhh, You will do fine if you just do the slow and steady thing. Try not to let the gust of wind get ya like I did. LOL 1 Quote Link to comment Share on other sites More sharing options...
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