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My Hawkeye has different tooling than the Star and Champion Dark Rebel.
You can get varying heights in dome from the same mold,
The bottom plate mold piece is separate and interchangeable. That's how they get different tooling (ie rancho Cucamonga or made in USA or innovadiscs.com) and how they get the discs out of the mold without warping them while cooling.
So a different bottom piece won't tell you anything. But Dave d has no reason to lie this way, and would have good reason to just tell you they are halo fds
What I think they did is basically what DM is doing, making a copycat mold of the original but with very minor variations.
And a disc being 1mm smaller diameter with the same rim thickness would make a difference. Just not a very big one.
You can get varying heights in dome from the same mold, but you can't make a disc with a smaller diameter from the same mold. Some of the pdga specs are more telling than others
I'm going to go ahead and pat myself on the back for calling it.
Dave D doesn't give a ****, he just makes discs when he has ideas and works to improve them. If you watch him talk enough, you'll see he is incredibly consistent and honest in answering questions. The man has a passion for creating the best possible disc golf equipment and there's not much else to it.
Maybe the DM mold wars is petty. I think they see there is demand for the discs and there's no reason to leave them OOP, just because Discmania ended their contract
The 1mm difference in diameter has intrigued me quite a bit. From a visual inspection stacking the two side by side on end, I can't tell a difference. I don't have any precision tools to measure exactly their diameter, but what I did do to help exaggerate any difference in diameter is measure the circumference of each disc using floss. I made extra careful to mark my starting/end point and keep the floss wrapped as tightly around as I could. Here are my measurements:
26.25 inches (666.75mm) for the Halo Hawkeye
26.375 inches (669.925mm) for the original Champion FD I have
Let's do some math:
PDGA lists the diameter of the Hawkeye at 21.1cm (211mm)
PDGa lists the diameter of the original FD at 21.2cm. (212mm)
Formula for circumference is C = 2 pi r
Radius of the original FD is 106mm
Radius of the new halo Hawkeye is 105.5mm
To get the supposed circumference of the original FD using PDGA's listed diameter, we'll do 2*pi*106 which equals 666mm.
To get the supposed circumference of the new Hawkeye using PDGA's listed diameter, we'll do 2*pi*105.5 which equals 662.9mm.
So according to PDGA's numbers, the original FD should have a circumference around 3mm larger than the Hawkeye, which closely matches what I got.
Could this be molding variation? I do not know, as I only have 1 Hawkeye and 1original FD. It would be interesting to see if other people can measure. Super slight movements in the floss could have resulted in 1/8" of a measuring difference as well.
This difference is so minute that I doubt it has any effect on flight. I think Dave is an honest guy, but he's definitely wrong about the disc being slightly faster, because it measures to have the same exact rim width as the original FD. It doesn't have a sleeker, more aerodynamic profile either. Then there's the fact that the markings on the new Hawkeye's underside are literally the exact same as the original FD's underside. If what they say is true about it being slightly smaller diameter is true, but the rim is the exact same width, then why is the bottom plate seemingly the exact same as the original FD?
Champion type plastics don't shrink as much as others. I think it's as simple as the Halo plastic shrinks more and has a slightly smaller diameter as a result.
I'm not myself, I already know full well how notoriously off they can be (see their 2.2cm Destroyer rim width as an example). I'm more annoyed at the ones who keep citing the PDGA specs and saying that this Hawkeye is an entirely different mold. But yeah who cares, I've done enough of a deep dive into the Hawkeye to know that in the future if I ever want an FD in Halo plastic I'll just grab a Hawkeye.
Finally got to throw my Hawkeye on some shots at the course along side a older run Sline FD and a Star Dark Rebel FD. So far the Hawkeye has less glide then the FDs and more high speed stability as advertised and i feel it has a smaller diameter then the FD but they are so close its hard to tell.