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  1. W

    buying a plane in Canada...newbie questions

    I`m buying a plane and completely new to this got a few questions about the process lets assume the plane is sound mechanically The plane is a flying Canadian registered Zenith how would you handle the funds transfer and the change of ownership? I`m in Ontario and the plane is in...
  2. W

    buying a plane in Canada...newbie questions

    I`m buying a plane and completely new to this got a few questions about the process lets assume the plane is sound mechanically The plane is a flying Canadian registered Zenith how would you handle the funds transfer and the change of ownership? I`m in Ontario and the plane is in...
  3. W

    Bending without a brake

    I worked out an easy method to shape aluminum skins… gives perfect bends and custom radius if needed… no setback math… no measuring… it’s the lo-tech method to bending metal I left out a step .., when at the end, when the radius is under the plywood I used c-clamps at the end of the bend where...
  4. W

    Builder in Toronto Canada CH-640 and Bearhawk5

    i think the seat being moved back is included in the newer plans...and the floor lowering mod is a must as you mention.
  5. W

    Builder in Toronto Canada CH-640 and Bearhawk5

    I own factory plans for this plane Its a great plane...its based on a certified plane...I could go on and on...but if you have any questions Im happy to answer..I`m a fan of this plane and sad its not sold anymore
  6. W

    Yamaha 160 lb engine. 130 hp

    I’ll answer my own question.... I’ve educated myself since I posted that With the most common gearbox for the Yamaha conversion...that contains the sprag clutch .... the prop will windmill at idle or if the engine quits
  7. W

    Can you just buy the gearbox from newer rotax motors

    Appriciate the tip..ill check them out
  8. W

    Can you just buy the gearbox from newer rotax motors

    For those rotax operators out there ... can you buy just the newer rotax gearbox... or do you have to buy the motor to get a gearbox? Thanks
  9. W

    Canadian scratch building question mdra

    Hi fellow canucks...question for you I’m eventually going to register with the mdra ... but till then... I’m building a plane with aluminum wings... I heard you can’t prime the alluminum surfaces because the mdra wants to see the factory spec marks on the aluminum Any of you that have gone...
  10. W

    The Prop windmilling on RX1/Apex engines

    If you have a link ... I’m very interested in seeing what they found
  11. W

    The Prop windmilling on RX1/Apex engines

    I respect your opinions..... but a wall is a wall.... doesn’t matter if that wall is vertical or horizontal ....a spinning windmilling prop/rotor will create that wall... it’s no more complicated then that...
  12. W

    The Prop windmilling on RX1/Apex engines

    I’m not trying to be rude... the phenomenon is not well understood by many... we are all trying to make aviation safer... but sometimes on that process somebodies toes will get stepped on... my apologies
  13. W

    The Prop windmilling on RX1/Apex engines

    I think the idea in a plane...is the faster the prop is free-windmilling ...the more it becomes a solid disk/air piling up in front of it........if the prop is slowed down for any reason...engine connection or friction....ect....then it's allowing some air to pass.....
  14. W

    The Prop windmilling on RX1/Apex engines

    On the Yamaha Facebook conversion site...2 planes are close to completion....I'm not that familiar with the makes...but by the looks they are fast...rans...and a sonerai 2....To this point I believe most conversions have been stol aircraft...or high wing cub type planes... They are both fitted...
  15. W

    The Prop windmilling on RX1/Apex engines

    It's counter intuitive ....but the free wheeling prop makes a lot of drag...you would not think it...but it does...and the faster the plane...I suspect the worse it gets....the air piles up in front of a freewheeling prop...not pass thru it...it creates a disk...same size as the prop
  16. W

    The Prop windmilling on RX1/Apex engines

    Very few people here understand the problem you just posted......(plane pilots) The stopped prop heli will drop like a rock... A freewheeling prop becomes a disk....or a parachute of similar size to the prop..if it's on the nose of your plane
  17. W

    The Prop windmilling on RX1/Apex engines

    Can you send me contact information for anyone of your customers that is using your direct drive.....I would like to get thier opinion ...I don't want to have a windmilling prop... I'd like to confirm what's going on with torsional vibrations on your direct drives... I'm asking because someone...
  18. W

    The Prop windmilling on RX1/Apex engines

    from what ive read a freewheeling prop has the same properties as a parachute of the similar size.... I`m not knocking what the yamaha communtee is trying to do...but since there has not been an engine stoppage yet...I guess nobody is intrested in this until you have to glide a plane in but...
  19. W

    The Prop windmilling on RX1/Apex engines

    sorry lots of questions.... ok...I dont know much about the adapters....I assuming the earlier ones had no clutch and Teal is making the new ones with the sprag clutch ? is it Skytrax and Mohawk the only companies making adapters at this point.....what are your thoughts on the Mohawk gear...
  20. W

    The Prop windmilling on RX1/Apex engines

    I think my best bet is to use another gear box on the Yamaha engine....one that gives me a stopped prop in an engine shutdown situation. Im new to the whole Rotax world...so anyone who wants to chime in with recommendations or links....is very welcome does rotax sell just gear boxes? I`m...
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