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I did away with Rudder pedal Springs

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Just curious as to why you used a chain and sprockets instead of a cable and pulleys.
 
Just curious as to why you used a chain and sprockets instead of a cable and pulleys.
Because the correct diameter for an 1/8" cable pulley for a 90 degree bend is 3". But a chain dose not suffer from fatigue turning around a socket repeatability. There just is too little room to safely use a cable.
 
So why not use springs. Your work looks fine, but it is undoubtedly heavier than a couple springs.
 
Because the correct diameter for an 1/8" cable pulley for a 90 degree bend is 3". But a chain dose not suffer from fatigue turning around a socket repeatability. There just is too little room to safely use a cable.
Interesting. Thanks!
 
It is only a matter of ounces. With a complete closed loop control system I can perfectly rig the rudder control cables. There is zero added control resistance. I will never worry about a spring coming loose or braking. All type certificated rudder control cables are rigged this way. Ether using cables, chains or control tubes. Rigging the cables with correct tensions were the system is in a closed loop makes for a control system that simply glides through full travel with very positive system control. The hardware I have installed is temporary. The bolts securing the gears will be replaced with much lighter clevis pins. The other hardware temporarily holding things together will also be replaced with the correct hardware.
 
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