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-10 rudder trim
I am also a rookie. We are currently awaiting delivery of an RV10 Empennage and this was my first question as well! Reading some of the excellent build websites I see rudders being built early on and people cutting chunks out of them. I am thinking 'EEK!', I don't want to be doing that at an early stage! So rudder bias looks like the perfect answer to me. But then I see another post saying it does not work with....what exactly? In what circumstances can you not fit this simple bias system? We want to have an IFR aircraft ultimately. Does that have any bearing?
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The trim requires a straight shot from the rudder bars to wherever you mount the control. If you take that into account as you lay out your panel and harness, there isn't an issue. Just ensure nothing extends below the sub panel perpendicular to where you mount the control box. |
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Some of the trim systems I see are simply to rivet on a section of piano hinge to the trailing edge and mount a servo in the rudder. Try using the search function and see what comes up. Here are a couple of good threads on the subject: http://www.vansairforce.com/communit...ad.php?t=64320 http://www.vansairforce.com/communit...ad.php?t=23591 |
rv10 rudder trim
Thanks! We have a slightly different system in UK in that changes from standard have to be approved. I have now discovered the no one in UK has chopped a bit out of the rudder, so that is not a sensible option for me. It will be rudder bias or nothing in our case!
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Other than climbs and flares, my plane flights straight so I havent found a need for a rudder trim. I think most people that want/use one are because they are worried about holding right rudder for extended climbs. I really dont notice it.
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Welcome to VAF!
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I did the cut in tab in the rudder, servo driven and controlled with the Cooley hat switch in the stick grip. Works just fine, and I would not want to fly without it. Others have used Geoff's spring bias system, and feel the same about it. Choice is yours, do what makes you happy. Good to have you aboard. |
rv10 trim
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Spring Bias System
Maybe this will work for you.
It works very well for me. Vans Flap motor or other linear actuator mounted on a rail. One spring is fixed the other is actuated for and aft. Controlled via a relay deck and connected to buttons on the stick. A trim servo is not strong enough and actuator travel is too short. Side benefit: No need to cut up the rudder and spring tension keeps the rudder from flopping around. This is only true for "light wind" conditions. |
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+1 for Aerosport Rudder Trim
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