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    Cascade Ultralights Kasperwing

    I just got my hands on a copy of The Kasper Wing, by Witold Kasper. Surprisingly, the book is still available new(Meheen Engineering in Denver, CO). It's not a very long book (77 pages), but has some good info that I've not seen elsewhere. It covers the design aspects of a kasperwing-type...
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    Looking for info on how the Lazair wing was constructed?

    Would you have any insight into the 'new, easy method of rib building', that Mr. Talley mentions in the June article? The ribs in the article looked like any other built up rib. Rather curious what tricks he used. How was the tail boom constructed? Did it have internal bracing? For such...
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    For Sale Kawasaki 340 and 32mm Mikuni Carb NOS

    This item has been sold.
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    For Sale Solo 210 engine Walbro Carb, Exhaust 4 Blade Prop

    Price reduced to $850. Please PM if interested. Thanks.
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    For Sale Kawasaki 340 and 32mm Mikuni Carb NOS

    Price reduced to $600. Please PM if interested. Thanks.
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    For Sale Kawasaki 340 and 32mm Mikuni Carb NOS

    This engine would be used w/ a belt type reduction drive. a PTO side image is attached. There are not mounting bosses that could be used for a gearbox.
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    For Sale Solo 210 engine Walbro Carb, Exhaust 4 Blade Prop

    I'm attaching a few more images, showing the piston, head, and additional numbers on the propellers.
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    For Sale Solo 210 engine Walbro Carb, Exhaust 4 Blade Prop

    The price has been reduced to $1100. Please PM me if interested. Thanks.
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    For Sale Kawasaki 340 and 32mm Mikuni Carb NOS

    The price has been reduced to $700. Please PM me if interested. Thanks.
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    New Skydock Ultralight from Belite Aircraft for $4k/$6k

    Curious if one of the aero engineers would comment on the Skydock wing attach layout. I saw this at Oshkosh this year and was left w/ a few questions. The wing attach fitting looks to be a thick aluminum plate that is bolted to one web of a rectangular aluminum tube. The image below...
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    For Sale Solo 210 engine Walbro Carb, Exhaust 4 Blade Prop

    I'm downsizing my toys and selling this Solo 210 engine w/ Walbro carb, exhaust, and 4 blade (dual twin blade) propeller and crush plate. I bought this several years ago and have been storing it ever since. Was planning to build a Sky Pup and use this (or the other engine I'm selling), but...
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    For Sale Kawasaki 340 and 32mm Mikuni Carb NOS

    I have a Kawasaki 340 and 32mm Mikuni carb for sale. Both are new, never been run or used. These were purchased from j-bird many years ago, and were intended to end up on a Sky Pup. The plane was never built and they have been stored since purchase. Asking $900. Please PM me if interested.
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    Curved aluminum tubing analysis

    I've noticed highly curved tubing on many ultralights, especially in the cockpit area. image obtained from: http://www.ultralightamerica.com/images/Gallery/Spitfire Cockpit single.jpg What methodology would one use to analyze these tubes? They seem a bit too eccentric to use the Euler...
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    New FEA package question.

    Is anyone familiar with NeNastran's new FEA package, in-CAD? NEi Nastran in-CAD | 3D CAD Modeler + Nastran FEA This is touted as having decent 3d modelling ability, as well as being (relatively) affordable. I think they are asking a little less than 5k for the linear elastic version. I've...
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    Isogrid and Rutan designs?

    While at Oshkosh this year, I happened to look in the windows of the Scaled planes on display. I noticed a strange dividing of the structure interior. The image below is that of the V-Jet. Is this an example of isogrid? If so, any thoughts on the benefits / drawbacks in using it? Any ideas...
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    Soviet X14 Ultralight

    I think that development is still continuing on these planes. I found two stories that seem a bit more up to date. Russia-InfoCentre :: Very Light Aircraft – Almost Like a Feather :: Sounds Like A Breakthrough :: Education & Science Google Translate One thing that has always puzzled...
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    Looking for pressurized door lock images

    I apologize if this is the wrong location to post this. I am looking for some images and/or information on the locking mechanism for pressurized light planes. Really curious to see how the door pins are actuated. I've searched on google, but couldn't find anything related to light aircraft and...
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    Trying to figure out what type plane in an ad

    This has been bugging me for a while. There is an ad on page 63 in the March 2009 issue of Sport Aviation for Flightcom. The pilot is flying some kind of open air craft w/ strut braced, transparent wings. Would anyone have an idea what kind of plane this is? Thanks for your time. -john
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    Flying Wing Questions

    I am getting rather interested in flying wings. The Mitchell U2 really strikes my fancy. That being said, I now embark on the long road of learning. Is the method to size the vertical tail the same for a flying wing as for a conventional planform? When I look at planes like the Mitchell series...
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