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jrman

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Everything posted by jrman

  1. I'm using a TurboHeader silencer from Just Engines on an OS 200FS P. Small silencer but very effective.
  2. No. It will increase by the % increase of the new engine multiplied by the % that the original engine was of the overall weight. e.g Original wing area 100sq." original weight 100oz.Original engine 20oz( 20% of o/a weight) Wing loading = 1.0 oz/sq" New engine 30oz. New weight 110oz , New wing loading =1.1 oz/sq". i.e 10% increase. Engine weight increase % x original engine % = 50&x20% =10%. I'm sure there's a better way of explaining it but I hope the above helps.
  3. No wonder you used an immersion heater switch! You could run some space heaters from that for your club strip.
  4. +1 for the Cyclon 2v battery. (I think it's 2.5A not 25) They certainly last. I have only had 4 in nearly 40 years of flying.
  5. Stevo, I only have the 120 size Dubro Quiet mounts ( Cat # 688) which measure a fraction over 3" from the front face of the washer to the end of the arm. Hope this helps.
  6. Just Engines have something similar.
  7. None of the dope (butyrate or nitrate) that I have ever used has been glow fuelproof.
  8. Posted by kc on 24/12/2014 12:24:39: Mode 1 are the ambidextrous ones! I think it's a fact that different parts of the brain controls left hand or right hand so in flying Mode 1 you use both parts of the brain which must be better! That should conclude the argument. Exactly! No point in debating any further.
  9. Lightly abrade with OO wire wool, degrease with cellulose thinners, spray coat of self etching primer and finish with 2 pack epoxy colour of choice.
  10. The only thing to add to an aircraft is "lightness".
  11. jrman

    Wot trainer

    The black spacers are for the spinner backplate to compensate for differing crankshaft diameters as necessary. You may not need to use them if your crankshaft is a good fit to the backplate hole.
  12. I'm still waiting for a call back from Ripmax promised in December 2013! I contacted OS directly in Japan and got excellent response and help within a day. That's what you call customer service. Ripmax don't understand or care what customer service means.
  13. It wasn't a pet but......I had a fuselage supported in the garden and had just finished the final coat of white KlassKote (2 pack epoxy) when a sparrow decided to land alongside and flap its wings in the nice wet fresh paint! Never seen a sparrow with invasion stripes before.
  14. jrman

    Engine test rig

    I wouldn't swear to it but I think Rustin's Plastic Coating is the basis of Tufkote.
  15. JB Weld would be my recommendation if you're going that route.
  16. Wrap the snake outer with normal paper masking tape first then stick tape to foam with cyano or epoxy.
  17. Allegedly Ripmax order some items from Japan only after they have received orders themselves and get deliveries by sea, ( it's cheaper) hence the 3 months quoted. It seems like their customers needs come a very distant second in their consideration.
  18. I'll just post it. I'll leave the comments to those much braver than I.
  19. I have the Apache "Penzoil" version with retracts which flies well on an OS 200P.
  20. I forgot to list Jonathan Ross as well. Oh and Russell Brand and don't forget Vanessa Feltz.
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