About this Plan
Graupner Hi-Fly. Hi Fly from Graupner kit #4239. (this is the same as the ultra fly but this time it is a pure soarer and no electric motor).
Direct submission to Outerzone.
Update 07/05/2018: added kit review from RCM&E, February 1974, thanks to RFJ.
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User commentsHallo Mary, hallo Steve. I think the picture is 30 years old [see more pics 003]. The builder is my friend "Volker Kirch". The Hi-Fly was powered by an electric engine.
BernhardDittmann - 23/02/2016
Love the Website. Thanks! Hi-Fly? Had one in back in 1975. Fond memories. First flight off bungee? 27 minutes. Way to go. Hint to builders: Keep the wing covering tight, or at high speed the wing-tips will flutter! My Hi-Fly didn't disintegrate, but it was mandatory to re-tighten the solarfilm periodically. It is very tempting to build another.
TimMorland - 11/08/2016
Hello, I am from Argentina and I am building the vintage Graupner Hi Fly. Here are some photos of the building [more pics 004-007].
GJoseRosalesRuiz - 12/07/2018
I have new photos of the glider almost finished [more pics 008-010]. In the new photos I am with my dog, Dana. Thank you. Regards from Argentina.
GJoseRosalesRuiz - 13/11/2018
I forgot to tell you the model ready to fly weighs 1100 g./39 ounces, and with a .049 Cox engine on a pylon engine mount and a 6x4 propeller about 1200g./42 ounces. I hope the engine can give enough thrust!! Anyway I can tow it.
GJoseRosalesRuiz - 20/11/2018
I had been painting my glider last week, it was my first time at painting a model so it it isn't perfect but it has a good look [model photo & more pics 011, 012]. It's finished now so the next step is: FLY!!! I put Futaba standart servos, FM radio transmitter and a AA battery pack. I hope the weather gets better here, it was so rainy these days. I will fly it in the school with my teacher, an experienced modeler, he helped me with the build of the Hi Fly, there is a big sport field there. In the last photo I am with my teacher [more pics 013].
GJoseRosalesRuiz - 24/11/2018
I am trying to learn to fly rc models. The model is not balanced with the rc equipment only so I had to put some lead in the nose, about 100g. And the Cox .049 is perfect for this glider. My teacher told me that gliders or powered gliders with .049 engines or similar are very easy to fly and learn. It took it very well with a lot of wind........ and I crashed it! It was a really windy day. I crashed it with a wall!!!! I almost crashed a teacher's car! (I was at the school sports field with my teacher.) But I think that I am very lucky because the Hi-Fly didn't have serious breaks. It only broke the left ply dihedral reinforcement and the hard balsa nose block.
GJoseRosalesRuiz - 27/11/2018
Beautiful model....good job
Xxx - 15/10/2019
It's me again, Jose. A lot of time has passed since the last time I sent emails. I was busy with a new glider. However it's the same plane, the Hi-Fly, but it has important modifications. One of them is that I put a bigger glow engine a .12 size with throttle control, an all flying tailplane as the original one, and I also installed a vintage fm graupner radio with old varioprop c05 servos. It's about 1.5 kg or 52 Oz. I made the fuel tank with a film canister. I suppose it'll allow me to fly 2 to 3 minutes. Your site is wonderful, with excellent content. I attach the photos of the new model and the transmitter [more pics 014-019].
GJoseRosalesRuiz - 24/01/2020
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