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Old 12-14-2018, 12:33 AM
Hammer1248 Hammer1248 is offline
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Default Discraft rim checkering

I recently bought a 2015 ledgstone cryZtal FLX predator and it has 1/4th of the rim checkerd for a fantastic grip. Does DC do this to any other discs? I love the tooling inside the rim.
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Old 12-14-2018, 01:24 AM
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Travis1010 Travis1010 is offline
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Most discraft discs have the mold name embossed on the inside of the rim which gives good grip. I think I read that the checkered pattern on predators is the old patent number which has been crossed out.

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Old 12-14-2018, 03:06 AM
Jolt Jolt is offline
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Intresting that some don´t have the mold name embossed. . My Big-Z Vultures don´t, but alla my other plastics has . . .Ti has very "rough" lettering.

Is all Big Z without the lettering on the inside rim?
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Old 12-14-2018, 08:06 AM
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Future_Primitive Future_Primitive is offline
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Quote:
Originally Posted by Hammer1248 View Post
I recently bought a 2015 ledgstone cryZtal FLX predator and it has 1/4th of the rim checkerd for a fantastic grip. Does DC do this to any other discs? I love the tooling inside the rim.
They do it with the Impact as well and on their website is this explanation.

"The engineered rim crosshatching projects a faint wave around the Impact as it flies, displacing air to enhance glide while keeping the disc flat and straight. "

I believe it is only on a couple of the molds.

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Old 12-14-2018, 08:15 AM
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tbird888 tbird888 is offline
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Quote:
Originally Posted by Jolt View Post
Intresting that some don´t have the mold name embossed. . My Big-Z Vultures don´t, but alla my other plastics has . . .Ti has very "rough" lettering.

Is all Big Z without the lettering on the inside rim?
The cross-hatching would only be on molds that were developed and sold before the patent expired. Once it expired companies had to remove it from their molds. Some filled in the cavity (Innova). Others crossed it out (Discraft). It's not a plastic thing. It's a mold thing, and it's not ensured to have the cross-hatching just because it was developed while the patent was active.

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Old 12-14-2018, 08:33 AM
ILUVSMGS18 ILUVSMGS18 is offline
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Quote:
Originally Posted by Jolt View Post
Intresting that some don´t have the mold name embossed. . My Big-Z Vultures don´t, but alla my other plastics has . . .Ti has very "rough" lettering.

Is all Big Z without the lettering on the inside rim?
From what I understand, it is when molds first come out, that they don't have the tooling on the rim, saying what mols it is. I had an early run Punisher, and it was untooled. My guess is the untooled runs are either protos or first runs.

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Old 12-14-2018, 09:10 AM
ThunderEagle ThunderEagle is offline
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Quote:
Originally Posted by Jolt View Post
Is all Big Z without the lettering on the inside rim?
Negative Ghost Rider. (There is an example of dating oneself.)

I have plenty of tooled Big Z, and I often position the disc so that I'm gripping it on this tooling. I like it.
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Old 12-14-2018, 10:40 AM
Twmccoy Twmccoy is offline
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I've seen that checkering pattern on some Discraft Z discs. I'd always just assumed that was their way of indicating that the disc was an X out (factory second).

I'm not sure on that though. I agree it gives the disc a nice grip on the inner rim.
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Old 12-14-2018, 10:57 AM
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Three Putt Three Putt is offline
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Originally Posted by Twmccoy View Post
I've seen that checkering pattern on some Discraft Z discs. I'd always just assumed that was their way of indicating that the disc was an X out (factory second).

I'm not sure on that though. I agree it gives the disc a nice grip on the inner rim.
It's been answered in this thread already, the checking pattern is over the patent number. There was a time in America when there was a slew of lawsuits due to a dubious court ruling over the penalty for having an expired patent number on an item and Innova and Discraft were both hit with lawsuits. They both took steps to eradicate patent numbers from their tooling where they were present. If you have a Discraft disc from that era where the patent number would have been in the tooling, the checking was done to cover that up.

The big "tell" that it was done for something other than grip is the Comets of that era. The Comet tooling was still the 90's underside tooling like Innova has, it wasn't on the rim at all. It had a patent number. There is a checking pattern on those Comets in a place where it would be next to impossible to grip.
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Old 12-14-2018, 11:19 AM
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F. Howl F. Howl is offline
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...There was a time in America when there was a slew of lawsuits due to a dubious court ruling over the penalty for having an expired patent number on an item and Innova and Discraft were both hit with lawsuits. ...
Who filed the suits?
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