I've been shooting the Whammy for about a month now and think I have a pretty good tune on my bow. So much so I just shot a 588 on a 600 round last night with it on a hunting setup.
(Purdy good for me).
I thought I'd pass along some of things I've learned about this rest since setting it up and playing with it.
1. Do not be intimidated by this rest! It sounds complicated, andIMO, Spot Hoggs instructions make it sound way more complicated than it really is.
2. Tie in location on the up cable is easier to locate than the instructions make it out to be. Just draw the bow from a ceiling hook and mark a location about 1 1/2" below where the cables cross. Serve from that point up and stick the pull cord through it.
3. Mount the rest on the bow so that the mounting bar is square and tighten it down. MAKE SURE YOU TIGHTEN IT DOWN REALLY WELL WITH BOTH THE MOUNTING BOLT AND THE LOCKING BOLT. I evidentally didn't and my rest started moving after a few shots. Because the cord is yanking the down on the rest so hard, care must be taken to ensure the rest doesn't move.
4. On Bowtechs, because the berger holes are lower than most, you can get the arrow lower by lowering the prongs all the way and removing the fork tamers that come with it. Put some thin fleece on the prongs and you should be able to cut half the berger hole. You still won't get it low enough to pass through the center of the hole, but it will definitely get you in the area.
5.As for timing the rest. Insert a tiny allen wrench in the hole on the actuater arm, pull down the actuater arm, insert the pull cord through on of the holes (depending on your bow). Now, just pull the cord tight enough to where you are JUST BARELY putting pressure on the bow's cable. Tighten it up, remove the allen wrench from the actuater arm, and draw the bow a couple times to make sure that at full draw, the cord goes slack and the actuater arm is in the full up position.
Some things I've noticed. If you use moleskin on the prongs, you'll burn right through it in short order. I have never had this issue with other drop aways. This tells me the rest is doing exactly as it's supposed to...guiding that arrow for much longer than standard drop aways that fall too fast.
To get your arrow lower, you can also mess with the prongs. Turning them out more can help get a lower arrow.
This rest is a real tack driver. So far, I'm thoroughly impressed with it. And of course, being from Spot Hogg, I doubt you'll break it.