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Need help with Merlin and Canon XH A1

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#1 David evans

David evans

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Posted 05 November 2012 - 06:38 PM


I have a Canon XH A1s with standard battery and I'm trying to set it up with the Merlin. I've checked the cookbook and tried one of the suggested configuration (they all seem very similar). But I don't even get close to a balanced setup. The camera just falls back instantly. Any idea what I could be doing wrong? This should be a problem of major tuning and not fine tuning, so probably the weights or the arc size?

My setting:

arc size - 13.5" (34.3 cm) measured from the top of the stage to the lowest weight (should I measure just to the beginning of the weight?)
Front weights - 1 finish
Lower weights - 1 start, 5 mid, 1 finish
Z - 4 threads showing above the guide ring
Position in plate - I
Stage Mark - -1

Can anyone help me out?

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#2 Elliot Gabor

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Posted 10 November 2012 - 10:32 PM

I'm not in love with cookbooks because it doesnt let you understand the concepts behind balancing a steadicam. That being said, it sounds like the rig is too top heavy. You already have a lot of weights on the bottom but the xh-a1 seems like a heavy camera to be using on the merlin. If its in the cookbook though it must be possible. I wouldndo the following:

Try finding the center of gravity of the camera with the battery inside (balance it on a ruler both front to back and side to side. Take the center of gravity and line it up best as possible so that it sits directly over the gimbal when the locking pins are threaded on.

Its a heavy cemera so extemd the post completeley, full arc.

Try 1starter and 1 full weight on the front.

Add bottom weights until the camera doesnt topple over. Once you do this check your drop time. If its too short the. Start removing weights in half increments until you have a 2-3 secod drop time.

Finally practice.
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