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Football shaped golf balls (Read 5442 times)
Ajax
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Football shaped golf balls
Sep 1st, 2014 at 9:32pm
 
I traded one of my slings to the inventor of golfcross in exchange for some of his football shaped golf balls!
I'm sure that they will be great for an idea for a sling that i have,the design of the ball according to the few videos on youtube about the game means that when struck, it flies straight;no hook or slice.
However you can make the ball turn left or right according to how you place it on the tee, surely we as slingers can exploit this property. Smiley




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Ajax
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Re: Football shaped golf balls
Reply #1 - Sep 1st, 2014 at 9:35pm
 
Football shaped in this case means rugby or gridiron shaped balls. biconical. complete with golfball dimples, i think there is a photo of one in the photos section.
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Re: Football shaped golf balls
Reply #2 - Sep 1st, 2014 at 10:53pm
 
A while back (before I joined) the was a group who mailed golf cross balls from on to the next as a pass around.
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Pikåru wrote on Nov 19th, 2013 at 6:59pm:
Massi - WTF? It's called a sling. You use it to throw rocks farther and faster than you could otherwise. That's all. 
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Re: Football shaped golf balls
Reply #3 - Sep 2nd, 2014 at 2:50am
 
Anyone actually ever play Golfcross?
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Re: Football shaped golf balls
Reply #4 - Sep 2nd, 2014 at 2:59am
 
I think it would be more fun with opposing teams and those squishy balls I found…

More satisfying to throw than a tennis ball due to the mass…

Moving targets!

Action and Drama! (as soon as someone gets hit in the face hard it becomes real combat)

Could surpass Golfcross in popularity some day…   Wink

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Ajax
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Re: Football shaped golf balls
Reply #5 - Sep 2nd, 2014 at 5:57pm
 
I have not played it, though the videos on youtube seem fun enough,basicly golf with some ball changes and a net instead of a hole.
I just wanted some of the balls so i could use them to make lead shot(weighing approx a pound each!)that kind of shot would be ideal for a slingdesign that i am messing around with.
Not many people have heard of golfcross
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Re: Football shaped golf balls
Reply #6 - Sep 3rd, 2014 at 1:17am
 
A one-pound projectile takes the might of the legendary Heroslingaclese...
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Curious Aardvark
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Re: Football shaped golf balls
Reply #7 - Sep 3rd, 2014 at 6:59am
 
nah a lb is easy to sling.

Yeah I was the one sending a golf cross ball around the world - I have no idea where it ended up and as far as I know no one ever made a mould out of it - which was kind of the whole point Smiley

They do fly very straight. Not as far as you'd think - they're not quite as dense as ordinary golf balls.

I believe golfcross was invented in new zealand, and it's a few years ago now.

CHOT uses golf cross balls - not heard from those guys for a while.

I can make a perfect biconical 2 part plastic mould pretty easily. But until I really get to grips with openscad, adding the dimples would be difficult (I'd have to add each one with it's own line of code).

I was thinking of adding a groove for copper wire to make it easy to recover from a beach with a metal detector. For distance slinging.

I've got some air dry clay - You could easily add dimples manually before it dries. I'm in the workshop today - and I picked up a new aluminium printbed yesterday - so geraldine can now be properly calibrated.

I'll have a bash at knocking up a glande mould Thumbs Up
Soon as I've printed out a new handle for the motorhome gtech electric sweeper Smiley
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Re: Football shaped golf balls
Reply #8 - Sep 3rd, 2014 at 10:12am
 
Once you make a mold, will you be able to cast some form of plastic in it?
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Re: Football shaped golf balls
Reply #9 - Sep 3rd, 2014 at 11:34am
 
Ah, see the: making a 3d printed glande mould thread I'm about to start.
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Re: Football shaped golf balls
Reply #10 - Sep 3rd, 2014 at 2:01pm
 
Curious Aardvark wrote on Sep 3rd, 2014 at 6:59am:
CHOT uses golf cross balls - not heard from those guys for a while.


Well, their homepage is down. YT, twitter, linkedin and similar accounts are still online. However no new posts in the last year as far as I have seen.
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Ajax
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Re: Football shaped golf balls
Reply #11 - Sep 3rd, 2014 at 6:14pm
 
C-A, yes the inventor of the game lives here, nice guy; he also is an author and a cartoonist.
As to 1 pound shot being easy to throw i guess i will find out soon enough.
I WISH i had acess to a 3d printer, but i will use a product called pinkysil to create my dimpled moulds, i am just wondering if the weight of the ammo would cancel out it's flight properties?
Never mind ,at fifty to sixty meters range there wont be much in the way of arcing shots, but there should be heaps of stopping power. Smiley
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Re: Football shaped golf balls
Reply #12 - Sep 7th, 2014 at 12:07pm
 
not sure there's any point dimpling a 1lb lead glande.

The dimples are really to help lighter missiles go further. lead is so dense, that kind of dimpling is going to produce negligible improvement at best.

Now on a smaller, lighter lead glande it could make a bigger difference - maybe.

Experiments need to be done Smiley
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Re: Football shaped golf balls
Reply #13 - Sep 7th, 2014 at 7:32pm
 
Curious Aardvark wrote on Sep 7th, 2014 at 12:07pm:
not sure there's any point dimpling a 1lb lead glande.

The dimples are really to help lighter missiles go further. lead is so dense, that kind of dimpling is going to produce negligible improvement at best.

Now on a smaller, lighter lead glande it could make a bigger difference - maybe.

Experiments need to be done Smiley


Dimpling works on anything with air resistance.  Mythbusters proved it by covering a car with clay, driving it, then dimpling the clay (and putting the cut clay inside the car to keep the weight constant) and driving it again.  Dimpled car got better gas mileage.
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Re: Football shaped golf balls
Reply #14 - Sep 8th, 2014 at 6:31am
 
11% improvement…

Make some dimpled/undimpled and see if you get an 11% increase in distance.
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