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Michael Graff

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  1. Michael Graff
    Michael Graff joined the community
  2. Michael Graff

    Michael Graff posted a gallery image in Member Albums

  3. Michael Graff
    That is SO okay Walts,  the more the merrier, as you say.
  4. Michael Graff
    So, is It that the luck may change for me as well 
  5. Michael Graff
    Well, it has to be some more of these around? Feel free to show your Typhoon here. Another pic of mine:
  6. Michael Graff

    Michael Graff posted a gallery image in Member Albums

  7. Michael Graff
    Isn´t Unitracts retracts adjustable? The Spitfire units would otherwise do the job.
  8. Michael Graff
    That´s a nice one Walts! I like that you added the inner doors, I kind of wish that I would have added those on mine. What was the setup of yours?
  9. Michael Graff
    Thanks for the kudos Walts, it is very nice to get some compliments. Sorry to hear about you maiden-flight, I hope you get more success after the rebuild. On to the questions; The panel lines is actually made with a dull lead pencil (kind of engraving), if done right it makes a nice shallow line that is more defined during the weathering. The nose is as per the original and I had to make an inset box to clear the carb and intake. I measured the C of G at the root next to the fuse with the wheels retracted, wich actually makes quite a difference, the C of G with the wheels extended is 105 mm, a weight-transfer of 5 mm! With the C of G at 110 mm it is not overly sensitive on the elevator and gets a nice sit in the landing configuration. Regarding the weight, I made the fin hollowed and the rudder built up from 1,5 mm balsa, all in the name of lightness. And I still ended up 600 g heavier than Tony´s. That man builds LIGHT! Oh, and by the way, the only thing remaining is to put on the exhausts.
  10. Michael Graff
    I have made the maiden on my Nijhuis Tiffie now, and what an airplane! I was a little concerned about the weight. The total weight ended at 4150 grammes! A "bit" more than stated in the article. After I mailed Tony I was told that his prototype actually weighed 3550 g balanced. The wing loading on my is 100g/dm2 wich I consider quite normal on this type of model. I have a Saito 80 with a 14x8 prop on it, wich gives it the necessary urge, to say the least. I placed the C of G at 110 mm with the wheels retracted and that is a very good starting point. It is a very pleasing model to fly and I didn´t have to make any trim changes at all! By the way, I covered it with SIlver-film and painted it with Prymol-primer and waterbased Vallejo Airbrush-colours and used 2-pack matt clearcoat to protect it. All markings are painted. I will use it in our national class "sportscale" here in Sweden on the 28-29 of June and see how it fares there. Here is a few pics of it: It would be nice to see all the other ready built Typhoons here as well.
  11. Michael Graff
    I have made the maiden on my Tiffie now, and what a plane! I was a little concerned about the weight. My total weight ended at 4150 grammes! A "bit" more than stated in the article. After I mailed Tony I was to know that his prototype actually weighed 3550 g balanced. The wing loading on my is 100g/dm2 wich I consider quite normal on this type of model. I have a Saito 80 with a 14x8 prop on it, wich gives it the necessary urge, to say the least. I placed the C of G at 110 mm with the wheels retracted and that is a very good placement. It is a very pleasing model to fly and I didn´t have to make any trim changes at all! By the way, I covered it with SIlver-film and painted it with Prymol-primer and Vallejo Airbrush-colours and used 2-pack matt clearcoat to top it off. I will use it in our national class "sportscale" here in Sweden on the 28-29 of June and see how it fares there. Here is a few pics of it:
  12. Michael Graff
    No the retract angle is a bit more like 95 degree. I found it out the hard way
  13. Michael Graff

    Michael Graff posted a gallery image in Member Albums

  14. Michael Graff

    Michael Graff posted a gallery image in Member Albums

  15. Michael Graff

    Michael Graff posted a gallery image in Member Albums

  16. Michael Graff
    Would be nice to own one of those.....
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