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  1. Senna

    P40B

    Not the 'B' model... but the 'E' model... try here... http://members.ozemail.com.au/~trainsraaf/warp40e/page1.html Steve Crooked River Ranch, OR
  2. Senna

    Cors-air Fm 345

    Thanks Orion, The materials have been purchased and are currently under construction. The proof load post mortem will reveal the warts. I'll post the wherewithalls when it happens... Steve
  3. Senna

    Cors-air Fm 345

    Hi Arthur, I'm still embroiled with the county in an attempt to get my house finaled. I've had three different inspectors for my last three FINAL inspections and each inspector wanted to see something different. The stick keeps moving and I've had to seek legal redress. It's close to being...
  4. Senna

    Finnish Birch / Baltic Birch Plywood Spars?

    Dust, I'm not building nor do I intend to build a CA-65 Skyfly... nor do I have the plans. This all came from a conversation where it was mentioned that the spars were believed to be made from 3/4" Finnish/Birch Ply. Supposedly they are using the ply as cap material. I can't concieve that...
  5. Senna

    Finnish Birch / Baltic Birch Plywood Spars?

    Dust, It does sound like a great material... for furniture!!! What I'm having a difficult time with... (I may not of made this very clear in my first post) is that supposedly the plywood is used as spar cap material. With plywood being 'plies of wood'... every other layer or ply would be...
  6. Senna

    Finnish Birch / Baltic Birch Plywood Spars?

    Just had a conversation with an aquaintence and something surprising and at least for me, improbable came up in the disscusion of the CA-65 Skyfly , the all wood design by Anton Cvjetcovic. I was told that the spar caps were made from 3/4" Finnish Birch / Baltic Birch plywood. I've no...
  7. Senna

    Center Sections & Detachable Wing Panels...

    wsimpso1, The caveat of the wing/fuselage junction is appreciated. I'm going to assume the use of a Lancair as an example had nothing to do with my location of Crooked River Ranch, Oregon being about 13 miles as the crow flies from the headquarters of Lancair at Bend/Redmond Airpark. Not...
  8. Senna

    Center Sections & Detachable Wing Panels...

    PTAirco, Your explanation is exactly the intuitive path I was following... I just wanted confirmation which you provided and I greatly appreciatate your input! The spreadsheet program is one I wrote in Excel and derived from the Alex Strojnik's books... LOW POWER LAMINAR AIRCRAFT...
  9. Senna

    Center Sections & Detachable Wing Panels...

    PTAirco, Thanks for the reply. I guess I didn't give ALL the needed info but you gave me the answer I was looking for. It is a cantilever design. So... even though I have detachable outer panels I treat the half span (in this case 9'... half of 18 foot span) as the lever length for my...
  10. Senna

    Center Sections & Detachable Wing Panels...

    How does one treat and compute bending moments for lets say a three piece wing... that is to say a center wing section and two detachable outer panels. Is the center section handeled as one computation out to the wing attach fittings with the outer panel computations handeled as seperate and...
  11. Senna

    Cors-air Fm 345

    The 'Flying Mastiff' FM 345... The following is a responce to my query to JPX ITALIA, the manufacture of the FM 345, as to availability and pricing. We're sorry, but the Flying Mastiff is still at the prototype stage. We hope to be able to sell it at about midth 2004. We still have no idea...
  12. Senna

    New Zenoah G25B1 engine...

    I have a G25B1 Zenoah 22hp 2-cycle engine for sale. This is a zero time... brand new engine... never even taken out of the manufacturers plastic wrapping. I paid $1250.00... will take $850.00 plus shipping. Steve Butcher Crooked River Ranch, Oregon
  13. Senna

    Ultralight Carbon Spar...

    Drawing program... Dan, I'm an Apple Macintosh user and do all my drawing with a program called Freehand. One semester of Jr High School mechanical drawing has also served me well. I appreciate the encouragement and the somewhat balmy rebuke! Senna
  14. Senna

    The MiFyter

    The following is the reply I received from Rod Cowgill with regard to my e-mail inquiry of the MiFyter... ____________________________________________________________________ Hi Steve: I appreciated your nice letter, we have had some problems getting things straightened out on the...
  15. Senna

    The MiFyter

    Scott, The pics came from a couple of different web pages... primarily the Biplanes of Yesteryear site. This particular aircraft is Rod Cowgill's demo MiFyter. Whether that is actually Rod in the flight leathers is unknown. Senna
  16. Senna

    marine plywood

    Aircraft VS Marine Plywood... Here's what I have gleaned from my investigation of this issue... ------------------------------------------------------------------------------------------------ Germanischer Lloyds... (where we get the GL grading stamp from on aircraft certified ply)...
  17. Senna

    The MiFyter

    MiFyter info request... I just now e-mailed Biplanes of Yesteryear and hopefully Rod Cowgill... as he lists himself as Designer, Builder, Test Pilot, Prototype & Demo Owner, and CEO on the website... http://www.biplanesofyesteryear.com/ I asked for some additional info with regard to the two...
  18. Senna

    Ultralight Carbon Spar...

    Dan, The following drawing is what I had in mind and what I called the KLUDGE. It parallels closely your suggestions. It just appeared to me to be an inelegant solution to the design problem. Senna
  19. Senna

    Different way to create molds...

    Replying to my own post... I spent a bunch more time rooting around and discovered some answers to the foam mold/plug issue I had questioned above. I've scoured the Marske Flying Wing site (which is where I came across the description) and found photos and captions that illuminates the...
  20. Senna

    Different way to create molds...

    I'm intriqued by something I read with regard to the making of composite molds. It sounds a good deal simpler than the traditional method of creating molds. The following is the excerpt that interests me... I'm not exactly certain if the above is actually referring to MOLDS or the...
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