Stephen Grigg Posted September 14, 2009 Author Share Posted September 14, 2009 I havent measured yet Conrad although your measurement sounds about right,I get loads of control from my Scorpion Quote Link to comment Share on other sites More sharing options...
ken anderson. Posted September 14, 2009 Share Posted September 14, 2009 conrad-ken anderson here-i fly a junior 60-3/4 inch will be plenty for sure-the only time you will need that much movement will be on the ground-in the air it will need very little to control it-in fact if you use all of the 3/4 it will be uncontrollable.....same as if you fly to fast they become uncontrollable............ ken anderson........... Quote Link to comment Share on other sites More sharing options...
Myron Beaumont Posted September 14, 2009 Share Posted September 14, 2009 Ken You remember freeflight years ago (when you trimmed & let go). If your fin/rudder was a 1/16 " out== you'd know about it pretty soon -so as you say you only need lots of rudder for ground T/O's . Then again we only hand launched didn't we ! Ageing g-umpy2 Quote Link to comment Share on other sites More sharing options...
Myron Beaumont Posted September 14, 2009 Share Posted September 14, 2009 PS a sixteenth of an inch is about one & a half mm (for you young guys) Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 14, 2009 Share Posted September 14, 2009 Thanks Ken, that is reassuring to know - I can get it covered now. Conrad. Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 22, 2009 Share Posted September 22, 2009 My Scorpion is now covered. I have to say I'm pleased with the result. Piccies to follow when the weather improves. Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 23, 2009 Author Share Posted September 23, 2009 Looking forward to the pics Conrad Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 24, 2009 Share Posted September 24, 2009 Hi Stephen, Here are some photos of the finished Super Scorpion (well almost - I still need to glue the bit between the elevators). It has been shamelessly copied from Tim's scheme. I really like the red solarfilm on the antique solartex. Hope you like the pics and I will keep you posted with regards the maiden flight (hopefully this weekend). Thanks to everyone who helped me along the way. Conrad. Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 24, 2009 Author Share Posted September 24, 2009 Absolutely stunning,superb job Conrad,its fantastic to see a N3w Super Scorpion,and \i know youll love it when you fly it,congratulations on a great job Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 24, 2009 Share Posted September 24, 2009 Thanks Stephen, I am going to use a wooden 11-7 prop with my OS 40. Do you think that would be a good start?Edited By Conrad Fox on 24/09/2009 22:47:43 Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 25, 2009 Author Share Posted September 25, 2009 Thats the one I use,you will have more power,although my OS 40 4 stroke has plenty. Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 26, 2009 Share Posted September 26, 2009 Hi Stephen, Just to let you know that I maidened the Super Scorpion today. Whitby had still air and 19 degrees- a real Indian Summer. Tomorrow looks promising too. The SS needed no extra weight as I had put the battery under the engine. I got the club safety officer to check out the model - always good to get a second opinion as you can sometimes not see the wood for the trees. With an all clear I took off. I needed some down trim and a little right to make her fly true. She really was very easy to fly and even with a deadstick on approach, I stll felt totally at ease with this surprisingly responsive model. I sorted the throttle out on the subsequent flights. I wanted a relaxing ' put..put' type of model and I got it with the Super Scorpion. She looks good and flies brilliantly. The OS 40 FS combination works very well. Thank you to yourself and others who have given advice to me along the way. A great thread, that will help others in the future I'm sure. Conrad. Quote Link to comment Share on other sites More sharing options...
Kelly Posted September 26, 2009 Share Posted September 26, 2009 Hi Conrad Great model,congratulations on the maiden . Quote Link to comment Share on other sites More sharing options...
ken anderson. Posted September 27, 2009 Share Posted September 27, 2009 go on conrad-well done.............there's a lot to be said for these old design's......... ken anderson........ Quote Link to comment Share on other sites More sharing options...
Tim Hooper Posted September 27, 2009 Share Posted September 27, 2009 Hi Conrad, Seeing your Scorp gave me quite a turn there - I thought I'd been burgled! The model looks delightful, and I'm delighted that it flies so well. tim Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 27, 2009 Author Share Posted September 27, 2009 Well done Conrad mine has lots of down,dead stick landings are often easier,yes Ken the oldens are timeless where flying is concerned,thanks for some excellant photos Conrad and the model has all you hoped for hasnt it Quote Link to comment Share on other sites More sharing options...
Tim Hooper Posted September 27, 2009 Share Posted September 27, 2009 Ahhh, the power of the internet! I've just put my Scorp on charge, it'll go with me to the field later this morning! Just for those who don't know, my Scorp is actually powered by electricity (12 subC cells to be exact). I hope this doesn't shock anybody too much. tim The original Nicad pack (now replaced by 3500Mah Nimhs). There's about 1½lb there! It fits as farwards as possible. The motor is an Astro 15G, which was the height of sophistication at the time of the build. This is the concealed hook-up to the rudder and elevator in the rear fuselage. No protruding horns means that the model can be stripped for transport, without having to worry about puncturing the wing-bag or other models. Thwing is a two-piece item on my model, and uses an aluminium joiner. The main spar is of weapons-grade balsa, capped with carbon-fibre rod top and bottom. The wing halves were built on a 'warped' building board to induce some washout. The entire trailing edges are laminated from layered strips of 1/16" balsa. It could be argued that at 4½lb AUW, my Scorp is a bit of a heavyweight, but it's a beautifully smooth performer. The Astro15G turns an 11x7 prop. Once airborne, the model flies on a whisper of power. Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 27, 2009 Share Posted September 27, 2009 Thanks for the nice comments fellas. It really is the best feeling when you maiden a model and all that thought and care that went into the build pays off. Tim, your model is fantastic. Your scheme is very striking and is why I copied it. I also copied your rudder idea, but not for the elevators - I used a snake protruding from the rear of the fus. I hope you have a good day at the field, although for me, the SS might be beaten by the wind here on the coast at Whitby today. Hopefully late afternoon might settle down. I am so taken by the looks and flying of these models that I am going to build a Ben Buckle Falcon- a 96'' span beast. I feel a build thread coming on. Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 27, 2009 Author Share Posted September 27, 2009 I considered the Falcon, but Ive gone fot the Red Zephyr Quote Link to comment Share on other sites More sharing options...
Conrad Fox Posted September 29, 2009 Share Posted September 29, 2009 Dreaming of another day like last Saturday with my Scorpion just crossing the threshold. They sit lovely in the glide. Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 30, 2009 Author Share Posted September 30, 2009 Yes qiute often mine glides on pass when landing Quote Link to comment Share on other sites More sharing options...
fly boy3 Posted September 30, 2009 Share Posted September 30, 2009 Hi all,what prop size would you experts out there put on a s/scorpion fitted with an os 40 2st.I would like to obtain the flying characteristics it was originally designed for.Thanks flyboy3. Quote Link to comment Share on other sites More sharing options...
ken anderson. Posted September 30, 2009 Share Posted September 30, 2009 yo fly boy3--i would put something like an 11*6.........with a 40/2st in you will hardly need go past 1/4 throttle...after that it will be uncontrollable.......and not very nice to fly........ ken anderson............... Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted September 30, 2009 Author Share Posted September 30, 2009 Ive an 11x7 0n my Super Scorpion sporting an elderly OS 40 Surpasse 4 str.Its in wood Perfec. Quote Link to comment Share on other sites More sharing options...
fly boy3 Posted October 2, 2009 Share Posted October 2, 2009 Hi, yes an 11/6 or7 were in my head before the question was asked, thanks for the info. I suppose a 4stroke would be the perfect engine for this type of model,but one has to use what we have,and that happens to be an os 40 2stroke. This thread has re kindled my in interest in this model,and its a pity the winter will be with us soon with its windy days. flyboy3 Quote Link to comment Share on other sites More sharing options...
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