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Type: Posts; User: mmattockx

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  1. Replies
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    399

    It was an oddball distance originally but a...

    It was an oddball distance originally but a previous owner drilled out the holes to match the OS 32.11mm distance. I will take a look at the 25LA muffler, thanks.


    Mark
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    236

    The only problem with that is your Hiperbipe and...

    The only problem with that is your Hiperbipe and the one in OP are not the same thing, the same as noted by grover1 in post #10. OP's is a non-scale ARF fun fly model and the plan you posted is a...
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    871

    That's interesting. I have to admit that I have...

    That's interesting. I have to admit that I have never used it on a model engine but it does work pretty well on degunking old motorcycle carburetors and they are essentially the same materials. No...
  4. I would tend to agree. The only problem with a...

    I would tend to agree. The only problem with a short joiner is that you get very high forces at the end of the tube where it terminates inside the wing. Bending moment reduces very quickly as you...
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    871

    For those that want to avoid the toxicity of...

    For those that want to avoid the toxicity of antifreeze, Simple Green works very well in the crock pot too and won't kill anything with the fumes or liquid.


    Mark
  6. David, Root is 13.1", tip is 8.3", span is 65"...

    David,

    Root is 13.1", tip is 8.3", span is 65" with a 1.25" thick tip block (ie - each core is 31.25" span and has a root chord of 13.1" and a tip chord of 8.3") and TE forward sweep is 1.375" as...
  7. Speaking of Tipo's, I have been tracing Dick...

    Speaking of Tipo's, I have been tracing Dick Hanson's original Model Builder plans into autocad and decided to check the wing area. It measures out at 668sq.in. Being under the impression that the...
  8. Art, The 5/8" tube was for my model. You need...

    Art,

    The 5/8" tube was for my model. You need to go through the same calculations for your own model the same way I did. I can't imagine a 5/8" tube is going to be adequate for a 100" span, 12+lb...
  9. Replies
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    514

    Crank the spring tension up a bunch, too. Most...

    Crank the spring tension up a bunch, too. Most radios are sold with the stick tension set super low and that is not conducive to precision work.


    Mark
  10. Replies
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    514

    Servo speed has nothing to do with how smooth you...

    Servo speed has nothing to do with how smooth you are on the sticks. The perfect servo would have infinite resolution and would follow the stick movements perfectly with no lag at all. If the plane...
  11. Replies
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    Just measure the outside dimensions and then use...

    Just measure the outside dimensions and then use those to draw the outlines, scale it to whatever size you want and fill in your own structure. Going from a smaller model up to a 50cc will require...
  12. I sized my tube based on the allowable stresses...

    I sized my tube based on the allowable stresses for carbon fiber laminate that Dr. Mark Drela used on his Alegro Lite and Bubble Dancer gliders. I decided on a 25G load (somewhat WAG, but not...
  13. Sizing a wing tube for a scratch designed model?

    I am designing a 40 sized Voodoo Express type model and need some guidance on sizing the wing tube. Span is 53.5", area is 600sq.in. and target weight is 5-5.25lb (hopefully less, but we all know how...
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    downunder, that was an excellent summary of some...

    downunder, that was an excellent summary of some very comprehensive, complicated subjects in a few lines.


    Mark
  15. Thread: Akrobat II

    by mmattockx
    Replies
    7
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    233

    Ask and ye shall receive: ...

    Ask and ye shall receive: http://www.airagestore.com/planes/akrobat-ii.html


    Mark
  16. Replies
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    153

    Thanks for the reply. This is pretty much the...

    Thanks for the reply. This is pretty much the issue at this point. I bought the engine years ago when there was no such thing as a decent small gas engine and then ended up getting out of the hobby...
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    198

    That sucks. Lanier were bought up by Great Planes...

    That sucks. Lanier were bought up by Great Planes and they don't list anything but the Stinger in ARF form. I had a look at outerzone and they show nothing for Staudacher plans so you may be stuck...
  18. Replies
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    198

    Since you say another, why not scratch build one...

    Since you say another, why not scratch build one from the plans you already have? Fiberglass Specialties offers a cowl and wheel pants if you are looking at the 96" version.


    Mark
  19. Replies
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    153

    Price Check Webra 120

    I have a new in box Webra 120 along with Mac's Products header and tuned pipe that I am thinking of selling. A search through the classifieds shows one that was listed for $215USD and it didn't sell....
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    I was hoping for something more innovative than...

    I was hoping for something more innovative than shelves that I hadn't thought of, but I guess shelving it is.




    I am working on it. These are all kits I accumulated before I got out of the...
  21. Replies
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    314

    Kit Storage Ideas?

    I did some searching and found nothing, so I figured I would ask. What do the members here do for kit storage? I don't want to leave the boxes sitting on the basement floor in case of a flood but...
  22. Replies
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    Jeff, Please add me to your list of plans...

    Jeff,

    Please add me to your list of plans recipients:

    mattock@telus.net


    Thank you,
    Mark
  23. Replies
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    Excellent, one layer is even easier to handle and...

    Excellent, one layer is even easier to handle and bag. Maybe with an extra piece on both sides of the foam where the control horn hard point is installed, just to make me feel better.




    These...
  24. Replies
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    96

    Composite Aileron Question

    I have been looking at making some composite ailerons as an alternative to solid balsa ones (which tend to warp, are often heavy and come in limited sizes). I was thinking of using rohacell or depron...
  25. Replies
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    Lazer Works offer laser cut short kits for both...

    Lazer Works offer laser cut short kits for both the 60 and 1000 Ultrasports. I think you need to find your own set of plans, though.


    Mark
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