Okay, I've been using muzzy 100's for ages now, and since I'm going with a new bow, new arrows, new everything - I might as well experiment with a new head as well.
Here's the dish. I got my paws on an HCA iron mace and their 5.5 gpi Speed Pro arrows, and I'm gonna be putting the heads on an arrow that will weigh in the ballpark of 200 grains with just feathers, nock and insert.
Just so we know what we're working with here, it's a 70#, 29" draw bow. Here are some actual chrono numbers from my bow.
A 255 grain arrow shoots between 360 and 370 fps. (55 grain head, 75# KE)
A 300 grain arrow shoots around 340 (100 grain head, 77# KE).
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Choices:
If I'm staying at 100 grains, I want a massive cutting diameter, and want to try a mechanical head, so the 2 blade Rages look pretty nice. I have about 3 dozen Muzzy's stowed away as a fallback plan. That said, I'm still leaning toward going lighter.
The muzzy 75 grain model looks pretty foolproof, but I fear problems getting it to fly right. I have no helical - 4" straight feathers. I'd guess that a 75 grain head shouldput me around 350-355 fps.
Wasp Jak Hammer 75 looks pretty nice. Mega-thick blades on this guy (.036)
Rocket Wolverine
57 grains! - 1 1/4" cut - .027" thick blades.
Rocket Ultimate Steel 75 (.036" blades) - supposedly flies nice - pathfinder chisel tip
High Country sells a pretty mean looking 55 grain head that is worthy of looking at
Now, I know you guys will probably think I'm nuts - going so light, but if you'd see my yardage markings out to 60 yards with the 250 grain arrow, it's absolutely sick. It really is one pin to 30, just a nudge to 40, and again at 50, 60. The bow is forgiving and holds light enough that I can make a good shot with confidence and no fear ofpushing my effective range outward.
The only thing holding me back before was my inability to judge yardage to +/- 5 yds past 30-35, but the flatter trajectory (and good FOC) is giving me a little more wiggle room to mis-judge a long range shot and still be in the vitals. That's why we're looking at such light heads.
I know this might be a dumb question, but do you guys think I'll have any problems with mechanicals at these speeds? I'm specifically worried about the blades coming open on the snap from 0 - 360when I touch the trigger.