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Mike Hall

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  • Location
    Arizona
  • About
    30+ years in the business as a Key Grip and Gaffer, now a Doc filmmaker.
  • Interested in Sound for Picture
    Yes
  1. My company makes the Dana Dolly, and before I started this, I was a Key Grip for a couple of decades. When I started making the DD, one of the first things I thought of was making the thing quiet. We did a lot of testing on bearings and wheels and we actually machine our wheels rough to try and avoid the squeak of smooth wheels, and we use bearings made to be smooth and quiet as opposed to skateboard bearings. I'd like to share a couple of things I've discovered that will make things squeak. Number 1 - Silicone Spray. This is like spraying a thin film of glass on a surface. It will work for a few hours, then watch out. As soon as both surfaces get well coated, it starts to sound like a finger rubbing on clean wet glass, and that's approximately what it is. 2 - WD-40. Works great for a limited time, but WD stands for "water displacement" and any bearing you spray with this will dry out eventually and squeak. 3 - Salt Water. If you use a slider or bearing dolly around Salt Water, you'll want to re-lube the bearings because they're going to dry out. I usually use Pledge spray wax, or baby powder, or well, nothing at all if there's not a squeak. If you happen to come across a noisy Dana Dolly, if you can share with the owner that we will completely replace the bearings and clean the wheels for $40 plus shipping, I'd appreciate it. All they have to do is call us. I've been working with a bearing company on a third generation bearing that I hope will stay quiet longer. Anyway, we're trying to help. If you have feedback, I'd appreciate that too. No use making pretty pictures without great sound.
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