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  1. L

    Interesting Subaru Site

    Not much current info on EA 81. Found a sorta complete long block for $400 that was once in a plane...not sure what though. ANy good info on currently available parts/stuff?
  2. L

    Hard Points

    I'm looking to use composite to save a little weight on my LSA cub wings. I started with the idea of using CF for the leading edge and possibly the false spar in place of 0.020" alum and the ribs necessary to support the sheet alum. The CF is being used on some cub's wing leading edge and I...
  3. L

    Hard Points

    Apparently I'm not clever enough to find details on the Eze hinges but I think I have the idea anyway. I'm using 17" x 8'-0" flaps with 3 hinge points. The root end should get most of the prop blast so I want to make that at least twice as stout as the tip end. The center hinge also acts as the...
  4. L

    Hard Points

    I'm not sure if phenolic would provide the same strength to the attachment point as steel. I was thinking that alum or CM properly primed with epoxy primer and painted with 2 part epoxy paint would provide lots of strength and more than adequate anchoring in the composite material...but what do...
  5. L

    Hard Points

    I can't use a piano hinge and maintain cub style air flow from the bottom of the wing to the top of the flap when deployed. There must be a gap there to allow air flow. The attachment from the rear wing spar to the flap spar is via Chromoly tube and adjustable rod ends to a simple CM attachment...
  6. L

    Hard Points

    Not sure this is the place for this question, but maybe. I'm building a cubish LSA and I'm on the ragged edge of considering making composite flaps and ailerons and I have a real concern about how to make the hinge and actuator points solid enough to hold up over the long run. I've read a lot...
  7. L

    Some welding questions

    I'm not an expert but I did see the solution to the "blow out" problem on an EAA welding video where the last 1/8" or so of the closing weld will blow the edge of the puddle out unless you let it cool to a point of no color then form a puddle and close the weld without rod. Apparently, and I've...
  8. L

    VGs or slats...which work on the 701/750?

    Yes Sir....I used to have a wife like that...this one is a keeper...we still have 7 motorcycles and four 4 wheelers. I think you are correct Graeme. Most of the performance data is rooted with those selling the VG's. There are many examples of how slats increase AOA.
  9. L

    RagWing Storch wings on a Cub fuselage

    From the figures on the RagWing site the Storch wing is shorter than the Cub but they have about the same area. Fuselages are about the same too. My thought was to increase the horizontal stab and elevator and give them more authority to make up for an increased AOA possible by using the slats...
  10. L

    RagWing Storch wings on a Cub fuselage

    I've been researching to build a light weight SHORT field Cub with an 0-200 and it seems the lightest way to go with a Cub is to build wooden wings which certainly can be done but I was looking at the RagWing site and found that their Storch is pretty much the same size as a Cub and has slatted...
  11. L

    how to weld 4130

    Thanks gents! You confirmed my long held belief that it's the quality of the weld that counts not the method of doing it. Pretty welds are nice but then, I'm going to prime and paint and cover the majority of them anyway....think I'll be a MIGger on this cub.
  12. L

    how to weld 4130

    I'm getting conflicting opinions on this so I'll ask it here. I have a Lincoln 230 amp AC/DC stick welder and I'm told you can buy a TIG torch and use argon ( I have it to weld AL) as a shield gas and do very credible welding without spending a ton of money on a TIG welder. Others say it will...
  13. L

    VGs or slats...which work on the 701/750?

    According to my wife I have too many airplanes so I sold my RV-4, leaving only my C-170. I've been flying for 42 years and I'm concerned about medical issues cropping up in the future so I'm set on building an LSA just in case. I've always wanted a Super Cub so that is my first choice but...
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