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  1. billyvray

    Bleriot 62% scale RC with direct drive Briggs v-twin

    I just found this on the YouTube. A very nice scale Bleriot radio control model aircraft. It is powered by a direct drive 480cc Briggs. It works great on the Bleriot due to the original having a very heavy rotary engine. I’ve asked the builder for more info and pics of the engine setup. He has...
  2. billyvray

    Small coaxial rotorcraft project on Youtube

    I found this fellow's Youtube and followed along as he builds and learns to fly this little coaxial copter. One thing I liked is he uses a double-sided timing belt to achieve the coaxial drive - something I had previously been unaware of. https://www.youtube.com/@btd1982/videos
  3. billyvray

    Neat vid of the Wright Bros in 1908

    I thought this group would appreciate this. I've never seen such a good video showing the operation of the Wright Brothers early planes.
  4. billyvray

    How are carbon propellers made?

    I am curious how the various carbon propellers are made, in particular, the ones like WarpDrive and KievProp (et.al) with a carbon (maybe over a core) with what appears to be a round aluminum hub that is clamped into a central prop hub. My main curiosity is this: is the hub an aluminum sleeve...
  5. billyvray

    Russian carbon-tube ultralights- "Pchelka"

    This gentleman's aircraft have been on here before, just thought I'd add a dedicated thread. He has built a mid wing, and high wing "demoiselle-ish" type, and now a parasol wing. Looks like carbon fiber tube construction and aluminum tubes and fabric. Here is his Youtube site...
  6. billyvray

    Amazingdiyprojects on Youtube - exploring VTOL concepts

    This wonderful fellow builds various RC vtol concepts and has taken several up to full manned flight. He has a LOT of unique ideas and makes great videos. I don't understand why he doesn't have 500k subscribers. Enjoy. Here's a good one :
  7. billyvray

    New VTOL Skyfly Axe - some good ideas...?

    I just found this new vtol from a UK magazine source on Facebook. The Axe is a quadrotor vtol with fixed wings. Apparently the neither the motors or wings moved on this one. there are other vtols that do this but this configuration appears more 'sorted' to me. Also, it has an option of a Rotron...
  8. billyvray

    Nice 3/4 scale Zero with Verner

    As seen on Facebook... fine example Войдите на Facebook
  9. billyvray

    Long Harlequin engine - plans

    In reference to the ever present "we need a 30-50 hp 4 stroke engine" I submit a copy of the Long Harlequin plans from the 1933 Flying and Glider manual. These are just pics from my phone but hopefully you can zoom in for the detail. I would love to see a version developed for a set of current...
  10. billyvray

    Single seat Wittman/RV3 mashup on Facebook for sale

    link: Log into Facebook | Facebook Wittman inspired, but with all aluminum tail and wings from RV3. Single seat, was 503 powered.
  11. billyvray

    Flying Flea layout, but not free-wing....shower thoughts..

    So, I printed out the HM293 single page plan. While on a conference call I cut out a simple foam board chuck glider. During the trimming/balancing phase, I had to decrease the rear wing incidence to be basically flat to get it to fly. I did NOT make the the front wing a free-wing. It flies...
  12. billyvray

    Birdy electric motorglider

    Popped up on my Youtube feed. Nice looking little sailplane. Pusher, electric, shaft driven, all composite. https://e-birdy.com/ translated site: Google Translate
  13. billyvray

    The Dobson Convertiplane - VTOL

    I just found this interesting attempt at a VTOL or VSTOL aircraft. Twin mcCullouque 2 strokes, counter rotating, swash plate controlled props, delta wing, low aspect ratio - I'm not sure what other descriptors it needs. I figured this group would be all over it! This actually seems like a good...
  14. billyvray

    Spaceship 2 amphibian

    Found this on social media. Looks neat.
  15. billyvray

    Aviation-related life insurance?

    I'm currently not involved in aviation much -other than RC and dreaming/scheming, etc. A primary reason for this is a family concern. My company-provided life insurance have specific clauses regarding not paying out if you are the pilot in command. That used to only be the case if it was...
  16. billyvray

    Hent Performance, 1/2 Rotax 912 conversion kit

    I saw this on a Facebook post. A fellow has created a 1/2 rotax 912 and plans to make it a kit - buy his parts and stick the reusable 912 bits on it. Similar to the 0100. Claims about 50 hp. There are running videos, but none swinging a prop yet. Claimed dry weight is 39kg (86 lbs)...! Already...
  17. billyvray

    Sonerai-esque, side-by-side

    I am sketching up a 3 view for a two seat, side by side seating, steel tube fuselage aircraft. I am on the fence between metal wings or composite wings. Some thoughts, and questions: 1) steel tube mainly for durability, crash protection, and it's really not that slow vs other construction if...
  18. billyvray

    Old model building magazines online

    You guys may just end up hating me for this. I stumbled onto an online archive site for old model building magazines. The collection is very extensive, and ranges from full-size aircraft down to ultra lightweight free flight. I have already downloaded several and have spent more time than I...
  19. billyvray

    sun-n-Fun 2019

    I'm making plans, but am not sure yet. I hope to at least be there Friday and Saturday. Coming down from just below Atlanta.
  20. billyvray

    Maya Ultralight

    I stumbled onto this site that covers a nice little wood pusher UL. enjoy https://mayaultralight.com/#shapely_home_portfolio-7
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