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  1. Angusnofangus

    Most Beautiful Aircraft Ever Built

    Another favourite of mine.
  2. Angusnofangus

    Most Beautiful Aircraft Ever Built

    This one is right up there in my book.
  3. Angusnofangus

    Drill sizes

    Truer words were never spoken. I have a half dozen air drills and my favourite is an old Ingersoll-Rand that I found in a pawn shop of $25.
  4. Angusnofangus

    Drill sizes

    I totally agree with the above comments that say throw away dull bits as they are not worth trying to sharpen, especially the smaller sizes. That said, the OP asked about using fractional sizes, and I can only say try to put a 1/8 rivet in a 1/8 hole and you will quickly find out why you need...
  5. Angusnofangus

    Deburr using drill and 400 grit sandpaper?

    This method, using a vixen file, is exactly what the aircraft manufacturer that I retired from specified for deburring. But only on the exit side of the hole. Common practice elsewhere is Roloc disc, as per CV Airwerks.
  6. Angusnofangus

    Spezio Tuholer plans

    I may be wrong, but I think that the engine could be a Dave Blanton Ford 3.8 V-6. Note the three exhaust stacks on the one side.
  7. Angusnofangus

    Alternative to turnbuckles

    Looks pretty flakey to me. I'm sure it works, but, no thanks.
  8. Angusnofangus

    Rib/skin rivets and fuel tank sealant.

    Another tidbit that I just recalled, The wing ribs in the old Convair's, 240,340,440, had a thin strip of neoprene between the rib flange and the skins. No sealant at all.
  9. Angusnofangus

    Rib/skin rivets and fuel tank sealant.

    This rib looks like an internal one. I guarantee you that the stringers you see overhead have been fay sealed and had the rivet tails sealed.
  10. Angusnofangus

    Rib/skin rivets and fuel tank sealant.

    Again, there is no problem with sealant on rib flanges or between any other two surfaces. Thin coat and rivet before sealant set-up is ideal
  11. Angusnofangus

    Rib/skin rivets and fuel tank sealant.

    Sealant between rib flange and skin is totally acceptable. Boeing airplanes, except maybe 787, are built that way. However, they use long cure-time sealant so rivets are driven before sealant set-up. Sealant doesn't wear, so no problem there. Also, one doesn't want to use thick layers of...
  12. Angusnofangus

    Rib/skin rivets and fuel tank sealant.

    A thin layer of sealant between rib and skin is fine, but, and this is a big but, the rivets need to be driven before the sealant sets up. In a fuel tank you need to coat all rivet tails and seams with a generous amount of sealant. You only need to put sealant on the flanges of the close-out ribs.
  13. Angusnofangus

    Canadian scratch building question mdra

    I don't know if you have seen this site,Inspection Documents, and I can't say for sure, but I would think that having the certs for your material plus having a few scraps with markings should satisfy any inspector. I personally think that aluminum should be primed, both sides, unless you are...
  14. Angusnofangus

    Dimple and Deburr Sequence

    Blue Scotchbrite disc, used lightly, works well.
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