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  1. C

    can use two engine honda gx 50 for cricri mc 15 aircraft and i will used propeller 32X10

    Hello friends, Mr Colomban sold me the new plans with the Solo engines, as usual this adaptation is very smart, and i think it could be useful because the Solo 210 is well known and available in many countries... a very good alternative ! ( I well know this engine, having "tortured " some when...
  2. C

    Design at new version of the Fournier Motor Glider

    Hi BBerson, Maybe albatross are flying dynamic soaring,just above waves on the oceans,it is just supposition , because of their wonderful L/D and speed that can allow such special flight. (Model gliders have got up to 400 mph experimenting this special flight...)
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    Design at new version of the Fournier Motor Glider

    Hi friends, your messages make me think of times when I was flying with hang glider (I was instructor) it was for the eighties. We were used to go to north Spain to fly with vultures. am sorry I cant retreive the pics I took with a small camera.. When we were soaring many vultures came with us...
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    Design at new version of the Fournier Motor Glider

    Thanks a lot for advices, mm4440 , my goal is exactly what you advise, I have been hang gliding , paragliding ,and ultralight instructor, ,I know what you are telling about , it is one of he first rules ! Thanks again
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    Design at new version of the Fournier Motor Glider

    Hi friends I' ve just received the Piuma Evolution plans: It seems to join some ( many..) of your requests,: it is an elegant motorglider, Italian design, with 2 very serious books about construction and flights, and another with very complete ,structural and aerodynamic calculations, and 2...
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    What do you think about "e-soaring"?

    Hi fellow friends. One month ago I" cracked" for the Piuma Evolution 's plans. posted some months ago for details about the Bagalini Bagaliante that seemed a very good motorglider but ,it is difficult to have informations about(The designer passed away) So I asked for the Piuma 's and I have...
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    Two engines close to each other = still possible as "single engine" regulation?

    Hi friends, I am French, and I intended to build a Cri Cri, I bought the plans and even I bought the add for Solo 220 engines from Michel Clomban himself, and in France a single piton engine' s licence ks OK for this little plane, it can fly on single engine and the only engine doesn't need...
  8. C

    Konig SC 430 3 cylinder Radial

    They are at 120 °,so the pin ignites at each time passing on each coil...
  9. C

    Konig SC 430 3 cylinder Radial

    No. There are three coils, one by cylindre
  10. C

    Thread Rename: How to build a dynamometer for an aero engine running a prop ?

    HI FRIENDS here is a link; it is in french,but written by Mr Colomban, the designer of the Cri Cri, The Luciole...and ancient ingenier of the Concorde. His method is vary affordable and very useful...
  11. C

    Rocket-powered ultralight (self-launching glider)?

    Hi , This thread reminds me a French experiment made by the SNECMA society that successfully experimented a pulsojet on single seat sailplane... You can go on wikipedia and type" Escopette 3340" it was a pulso without valve, light,and efficient at low cost , but soooo loud ,Pity !! .It is...
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    Mitchell Wing B10 Questions

    Hi pincraze Have a look at the swedish' mods, These mods were recommanded by the swedish aviation authorities, and are very interesting to reduce sensitivity and reverse yaw. No aerodynamic mods, only on commands Claude
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    What do you think about "e-soaring"?

    Hi Robert, I would like to build it soon ,I'll be on retirement in one year, I will contact you if I decide to give up... Claude
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    Wood type for wood prop?

    Hi, here, in France a good friend of mine has build thousands of prop.with beech wood. He was well known professional .He designed and carved wood prop. from model planes until vary eze and he made urethane/ epoxy leading edges, and no issue !.
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    What do you think about "e-soaring"?

    Thanks a lot, I had a Bright Star's Swift ! I did nice and very instructive flights with .I will try to know more about the RF4UL and if I can get good informations I will post them here !
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    What do you think about "e-soaring"?

    I jnow all Claude Noin's works, Thry are very well done and the EXEL is a state of the art , Claude's art ! I thak you a lot for your suggestions, I have same considerations I will do some extra calculation using Jim Marsje's book , his method seems affordable , and rather simple ,If I can...
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    What do you think about "e-soaring"?

    I reakky well know Claude Noin, and I flew the Choucas when they did first certification flights ! It is a very good and efficient flying wing , very stable ! and I remember the pilot going close the stall and letting the stick go ,the Choucas did 3 damped "phugoids" to come back to a straight...
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    What do you think about "e-soaring"?

    Here is a better tail boom! The boom of the B.Bagaliante is a simple aluminum tube ,but with a doubler at the pod's area. I think it is a good concept, with the correct calculations.
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    What do you think about "e-soaring"?

    Yes, it is this craft. I am aware of this pusher configuration and of the risk of tail flutter ,the surface and volume of the vertical fin is rather important, but the vertical fin and stabilator are wire braced both together... maybe a reason of the limited VNE... But such a little light plane...
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    New member: Toulouse, France

    Hi raiserw I am glad to meet a fellow "Toulousain" here, I am living in Toulouse, close to Purpan Hospital and working at ...Airbus company ! I just posted at E-soaring's thread. Even I have the private pilot licence I am currently flying with aSuper Guepard SG10 at Saint Clar , not so far...
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