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    trimtab replied to the thread Engine failure turn back..
    I don't think enough is made of the unusual and potentially startling severity of the maneuvers required to make a turn back successful...
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    trimtab reacted to Vigilant1's post in the thread Engine failure turn back. with Like Like.
    I think that is key. The wing won't stall unless the critical AoA is exceeded, and "unloading" helps prevent that (as a bonus, the roll...
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    trimtab replied to the thread Engine failure turn back..
    A lightly loaded 172 needs 400' to get the job done most of the time. A fully loaded 182 can barely get the job done at 600 feet from...
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    trimtab reacted to Urquiola's post in the thread Very low aspect ratio planes? with Like Like.
    As I don't remeber if I added the document: 'Characteristics of Clark Y airfoils of small aspect ratios', NACA report 431. C H...
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    trimtab replied to the thread Prop shaft.
    Seems reasonable. It's a large problem.
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    The heli is partially a consumer tech demonstration project. The mission needs for the electronics are low compared to the data...
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    trimtab replied to the thread Prop shaft.
    An important and common means of reducing resonance gain and increasing resonance frequencies is to employ a redrive to match inertia...
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    trimtab replied to the thread Prop shaft.
    The patents and literature specifically cite resonance damping. I don't know how they dissipate the heat. But the poiseuille shearing...
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    trimtab reacted to Dana's post in the thread How much power do you lose with carb heat? with Like Like.
    How many rpm does it drop? For a fixed pitch prop power is proportional to the cube of the rpm, so take the cube of the percentage, for...
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    trimtab replied to the thread Prop shaft.
    https://www.vibratechtvd.com/torsional-dampers
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    trimtab reacted to Riggerrob's post in the thread Prop shaft with Like Like.
    May I suggest that you study helicopter tail rotor drive shafts? ... especially on lighter, piston-powered helicopters like Bell 47...
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    trimtab reacted to BBerson's post in the thread Prop shaft with Like Like.
    Molt Taylor used the Dodge Flexidyne coupler in all of his pushers to prevent destructive torsional vibration. Several articles by Molt...
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    Funny you should mention this. The Mars rover Perseverance uses a PowerPC 750, a single core platform that has been around since 1998...
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    trimtab reacted to Aerowerx's post in the thread Announcing SoFIS - An Open Source EFIS with Like Like.
    Keep in mind that the thing you have in your back pocket that cell phone companies are practically giving away.... Is far more powerful...
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    This is a crucial distinction. But throwing money at the problem doesn't solve anything. Sound execution and components does. The...
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