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HelicopterRadio - Futaba FASST › swash leveling using swash mixing versus endpoint adjustments
08-09-2010 04:06 PM  7 years agoPost 1
flyinfriend

rrApprentice

North American continent

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Hi,

Can someone explain the benefits or differences between using the mixing in the 8fg (shown below from Ben Minors swash setup explanation) to level the swash at high and low stick versus just using endpoint adjustments?.

I understand the other mixing functions used to mix out interactions but the ones shown below are for the sole purpose of leveling the swash at high and low stick.

7.Place the collective stick at maximum pitch. Adjust the highlighted box under PIT to AIL until the swash sits level WHEN VIEWED FROM THE FRONT OR BACK OF THE MODEL. Lower the collective stick fully. Using the now highlighted box next to the one that you just adjusted, repeat the procedure once again viewing the model from either the front or rear.

8.Return the collective stick to maximum. Adjust the highlighted PIT to ELE box until the swash sits perfectly level WHEN VIEWED FROM EITHER SIDE OF THE MODEL. Lower the collective stick fully as before and repeat this procedure for the now highlighted box, once again adjusting for a level swash when viewed from the side of the model.

Thanks,

Tom

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08-09-2010 06:46 PM  7 years agoPost 2
marc8090

rrElite Veteran

Long Island, N.Y.

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End points only adjust 1 servo at a time, even in a ccpm model. The mixes will adjust 2 servos at the same time for an aileron adjustment and all 3 for an elevator adjustment. Doing it this way will not cause any rise or fall of the swashplate so your collective is unaffected. The mixes are the better way to do it.

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08-09-2010 07:20 PM  7 years agoPost 3
beatnikrrNovice - Leamington Spa, Warwickshire - UK - My Posts: All  Forum  Topic

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08-09-2010 08:02 PM  7 years agoPost 4
flyinfriend

rrApprentice

North American continent

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Thanks marc8090,

I appreciate the reply. So I will set my endpoints back to the default full throw and use the swash mixing only.

I just went into the swash setting menu recently after reading Ben Minor's explanation in another thread. I have been flying my Predator for several months and figured I could fine tune it using the swash menu.

Thanks again,

Tom

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08-10-2010 08:44 PM  7 years agoPost 5
rotormonkey

rrKey Veteran

Ottawa, ON - Canada

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marc is right, but the same can be accomplished through endpoints as well. For example, if you need a little forward elevator at high stick, rather than just increasing the ATV on the elevator servo, increase the atv on elev a bit, and decrease the ATV on the other two servos the same amount.

That approach is just as sound, and will save you those mixes for something else if you need 'em. If you don't need them - just use the mixes

If it can't hover, it ain't worth flying.

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HelicopterRadio - Futaba FASST › swash leveling using swash mixing versus endpoint adjustments
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