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  • M
    Map replied to the thread Slotted wing for propeller ?.
    I saw a presentation once from a group of students who had built a model airplane with props in slots in the wings. After some careful...
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    Map replied to the thread Flight testing....
    Any flight testing should only be done by a pilot who is proficient and current in the type or similar aircraft. Anything else is stupid...
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    Map replied to the thread Polymer Bearings.
    Sealed ball bearings are best, but there is no reason why other materials including plastic cannot be used. It depends on the allowable...
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    Map replied to the thread Flight testing....
    It really depends on what kind of airplane it is and when it was last flown. First, it needs a very thorough inspection to determine...
  • M
    I am planning to fly to the meeting in Caro 1, smoke permitting.
  • M
    Map replied to the thread Antennas.
    I still have a few pieces of RG-400 antenna cable for sale, 17 & 16 ft pieces no connector, and 1 x 17 ft with TNC connectors, $1.10 per...
  • M
    Map replied to the thread MOGAS/E85 etc.?.
    I think this describes it best. Of course I drain the sumps before the flight and NO water is visible. The engine runs fine and produces...
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    Map replied to the thread MOGAS/E85 etc.?.
    I have often been using mogas with ethanol in my VW engine and there is sooo much water in it (dissolved, not visible), that I get...
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    Map replied to the thread Engine running rough.
    Check for obstructions anywhere in the induction system, such as a gasket that has shifted inside a duct and blocks some of the airflow.
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    Map replied to the thread Pusher cowling ideas.
    When you buy a new, certified Rotax 912, it comes with a shroud / plenum on top of the cylinders for cooling air. It is hard to see in...
    • Rotaxcylcooling.jpg
    • Rotaxcylcooling2.jpg
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    Map replied to the thread Pusher cowling ideas.
    Pushers are more difficult to cool because you don't have the prop wash to help with getting the air through the cowling. This is...
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    Map replied to the thread First ideas for a mash-up homebuilt..
    The tail arm /volume is rather short and the main gear is too far forward (assuming the cg is at 25% wing chord), it will tip on its tail.
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    Map replied to the thread Increased Max Gross?.
    Check out my video on "Loads"
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    Map replied to the thread Increased Max Gross?.
    All good arguments, but you maybe forgetting something. The FAA is not going to check up on you if you fly an experimental over gross...
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