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barryt

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  1. barryt
    OK Dwain, does this pic help?
  2. barryt

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  3. barryt
    Well Dwain that is a fine looking model you have constructed there. Great colour scheme and the dark red stripes will finish it off really well. Amazing progress. It occurs to me that you may be looking for a suitable aircraft registration, so here are some dubious 'suggestions'.. There are the obvious German registrations i.e. D-DBLY or D-WARF Slightly more obscure French registrations i.e. F-RANK Frankenstein was Lister's cat or F=ELIS Felis Sapiens was cat's breed. My personal favorite would be the British G-LICA Lithium Carbonate - rescue remedy prepared by Kryten, sprayed on DD who then reverts to Cat, but I guess you already knew that! Can't wait to see what you come up with, and I'm looking forward to the maiden video too..
  4. barryt
    Going to need sunglasses flying your C120 Dwain! Still following with interest and I see you are doing a fine job. I'm enjoying all of it. Just thinking about the Rx attenuation comment. If you have any Oracover left over you could make a box to enclose your Rx and battery, cover it, then use your telemetry to see if the signal is attenuated. I wonder if anyone has tried that?
  5. barryt
    Go on - leave the window open. You know you want to! Thanks for the power train specs. Looks like a well balanced system. I can't imagine how you could obtain a polished aluminium finish. I used painted solartex. I think today I would have to use Koverall or Polyspan. I'm currently experimenting with some interfacing material as used by seamstresses. It seems it could be a good alternative to Polyspan.. Wings next or are you going to try some cabin detail?
  6. barryt
    All looking good Dwain and that is a smart looking radio! Did you buy a 6ch rx as well? What motor / ESC / prop combination are you using with your 4 cell battery? What are your plans for covering material? I was thinking about an alternative venting solution. How about this idea? Enjoying your posts. Keep it up.
  7. barryt

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  8. barryt
    Great work Dwain. You are a quick builder. I'm enjoying the pictures, reminding me of my own build some years ago. Yes, losing some weight from the fuselage now will pay off later when the flying starts.
  9. barryt
    Looking good Dwain. Something else I should have mentioned earlier is that while scale air intakes are cut in the cowl, you need to arrange for venting of warm air out of the fuselage. This is not part of the plan. The air needs to flow over the motor, speed controller and battery before exiting, in my case, through some slots in the battery hatch cover. I'm looking forward to some more pictures.
  10. barryt
    Lots of soiid balsa in this kit, which is unnecessary for an electric plane. Try to lighten it as much as you can. I cut an access panel under the cabin floor. The battery slides up and forward over the undercarriage mountings. The other mod I would recommend is to use spruce wing spars instead of the balsa indicated on the plan, Lots of scope for detailing. Good luck, i'm following your posts with interest.
  11. barryt
    Thanks Bob. I'm sure you are right. I guess I didn't think that this small block would provide enough support for an aerobatic plane.
  12. barryt
    Hi All, I am having some difficulty interpreting how the wing join is made and reinforced. The plan mentions '3/8" MED HARD INFILL DIHEDRAL BRACE' but does not show what it looks like or how it is fitted. The text which accompanies the plan does not help either. Is this a piece of balsa which fits between the upper and lower spars to join the wings together? A clarifying sketch or picture would really help me.
  13. barryt

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  14. barryt
    Dwain, just read my own post again and noticed an error. I should have said that I would substitute the balsa SPARS (that are called for in the plan) with spruce. Not the ribs!
  15. barryt
    Don't want to drift off topic but I wanted to provide some feedback to Dwain regarding this short kit. The BT Cessna 120 was the first kit I ever built. Easy to construct from the short kit. Make sure that you order the cowl and the windscreen mouldings too, they are of excellent quality. My short kit came with the plan and copies of a series of magazine articles showing the construction of the model including some hints and tips. (If you need copies let me know). The fuselage is fully sheeted (1.5mm I think) and this will have to be purchased separately. The cabin fuselage sides and complete tail section including the rudder and elevators are solid sections and are included in the short kit so there really isn't much extra balsa to buy. You will have to purchase all the hardware including undercarriage, wheels, pushrods, control horns, hinges, clevis, covering material, etc. You will also have to make up the wing struts. I used some brazing rods. If I were to make this model again I would try to make it lighter, especially if you want to build an electric version like I did. I would also substitute spruce wing ribs for the balsa ribs called for in the plan. There is plenty of scope for detailing, especially in the cockpit area. Perhaps an opening door? You could also add some flap and lights making it a 140! Sorry, not the best pic. Try zooming in!
  16. barryt
    Hi onetenor. Yes, I think it way too forward, hence my model seems tail heavy. From the other replies and Pete B's practical example,the CG should be about 100mm back from the leading edge of the top wing. When I hang my model it naturally balances at around the 100mm mark so that is what I am going to use, for starters anyway. The supplied drawing must be just wrong. Thanks everyone for your contributions. Much appreciated.
  17. barryt
    That sounds much more like it Geoff. Yes the model has a 56" span. I'm not sure how 'scale' it is, but with the battery mounted half way through the firewall it hangs with the CG 100mm back from the leading edge of the top wing. I'm feeling more comfortable now. Thanks for responding. Is this model available in the UK?
  18. barryt
    This picture may help.
  19. barryt
    My electric Phoenix Tiger Moth ARF weighs just over 6lbs with a 5000mah battery. This is the manufacturers planned weight. However when I try to set up the CG according to the supplied drawing, the model is extremely tail heavy. When I looked at the drawing again I realised it is contradictory. The plan view shows the CG 45mm back from the leading edge of the (top) wing. The side view shows the CG 45mm back from the leading edge which coincides with the upper mounting of the front strut. Given that the wing is swept back about 50mm at that point there are two CG recommendations about 50mm apart! Am I doing something wrong? Where should the CG be?
  20. barryt

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  21. barryt

    barryt posted a gallery image in Member Albums

  22. barryt

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  23. barryt

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  24. barryt

    CG instructions

    barryt posted a gallery image in Member Albums

    CG instructions
  25. barryt
    Some feedback. I've just made it back to Cape Town after some very long aeroplane rides. This is one aspect of aviation which has not progressed for 50 years or more. If they can't make world travel any quicker then I propose passengers be given an anaesthetic, loaded as freight and then woken up at their destination! Well I had a wonderful time in the UK and visited several of the museums and exhibitions suggested by your kind selves. Of course they were all awesome. I'd single out two. The first would be the Shuttleworth Collection where I met a very knowledgeable member of staff and took up far too much of his time. Needless to say the Tutor is well photographed and I have been given contacts for further information. The second would be Stow Maries. Still a long way from reaching its full potential.but it's unique story as a WW1 aerodrome set up to defend London against the Zeppelin and Gotha raids is well worth supporting. The aircraft collection is difficult to photograph at the moment but that will hopefully improve as time goes on. What did I come home with? Well several bits and pieces including three Peter Rake half kits (SE5a, Camel & Pup) courtesy of Bellair. Thank you Leon. Thank you for all your suggestions and advice. I saw that the UK has an outstanding culture of supporting it's heritage and not just in aviation. Well done, keep it up. It will keep me coming back. Regards BarryT
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