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Old 09-06-2016, 09:25 PM
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Doofenshmirtz Doofenshmirtz is offline
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Default Altitude and Stability

I will be playing a few rounds on Saturday at a course that starts at an elevation of about 9000 feet above sea level. Almost all of my experience is at an elevation of about 80 feet above sea level. So here's my questions as I select discs to put in my travel bag: What can I expect as far as a change in stability of my discs? Are drivers affected more than mids? Is there a general way to quantify the different flight characteristics like add 2 to the HSS and LSS numbers and/or subract 2 from glide, etc? Or even more specifice to my bag: Core, Wasp, Underworld, Flippy GStar Tern, somewhat overstable Flow, Volt, Amp - how will these discs fly differently 1.7 miles further up in the atmosphere than I am used to seeing them fly?
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  #2  
Old 09-06-2016, 10:00 PM
Twmccoy Twmccoy is online now
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Bring your whole gamut of discs and try to take some practice throws before you play. That'll give you a pretty good idea of what's up with stability in places like the mountains of CO, (which is where I'm assuming you're playing).

Short answer is that discs will fly more stable at higher elevations. Noticeably so.
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Old 09-06-2016, 10:08 PM
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I have spent my summer at 10,000 feet in Leadville Colorado. I've played courses all over this part of the state at elevations from 6000 feet to 10,200. I have relied heavily on a 153 gr. Lat 64 Diamond, which is an understable disc in their "easy to throw" line. It has been my go-to driver for uphill and level holes. I use a Lat 64 Jade for headwind and downhill throws. These are significantly less stable than the discs I would use in the same situations at sea level.

I'll be interested to see how they fly for me when I head back to Texas later this week...
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Old 09-06-2016, 11:27 PM
slowplastic slowplastic is offline
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I've been throwing at 4,500' after sea level. You'll have way more extreme findings than me. I also throw a Core, it's awesome at this height. Basically mids/putters you can mash on 100%, they still glide but won't burn, and will get out there on speed. I can throw mids and putters at least as far as at sea level, but I can absolutely hammer on them. But I'd say HSS = +0.5-1, LSS is the same for mids (if HSS accentuates hyzer then fade will increase though). Putters are just more HSS trustworthy. I want to throw my mids and putters even more at this elevation because I really really trust them.

Neutral and turning fairways bomb. I feel like they are HSS = +1. Again they just go at least as far and are more trustworthy, you can mash on them. Moderately overstable, like a beefy Teebird, does not go as far because the increased HSS eats the glide. Very OS will be a tiny bit shorter, if you rely on hammering it out there on speed (like a Firebird).

High speed stuff is the biggest difference. These are HSS = +2, LSS = +1. Basically for me, they fly the same distance as they did at sea level, but the flight characteristics as if I threw them ~40' shorter (a 400' shot at 4500' has the same flight path as a 360' shot at sea level). So this means that some discs bomb while going dead straight. But, discs that just barely turned at sea level are now too beefy to get into the glide phase, and I lost a lot of distance. Also my turnover drivers are now -0.5/2 type of flights. I added in my roller Vulcan from sea level, it's -2/2 for hyzer flip to turn to fade shots now.

You'll probably lose a lot more glide than I did. I have found that slow, neutral discs are incredible. High speed discs that are barely overstable are most finicky. Make sure you bring neutral stuff, and very understable stuff. Discs that were just barely overstable will likely lose a ton of distance and overlap with your truly overstable discs.

You may also have a completely different experience if you lose way more glide at that elevation. Definitely throw in a field before your round. And get used to not throwing as many hyzer flips.
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Old 09-06-2016, 11:28 PM
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Doofenshmirtz Doofenshmirtz is offline
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Well, unfortunately, I only get to bring a travel kit. I'd love to bring the whole bag, but I am limited to about 11 discs total. I've got my Underworld, Relay, Amp, Volt, Flippy Tern and Octane. BTW, it will be at Solitude Mountain Resort in Utah.
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Old 09-06-2016, 11:45 PM
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Doofenshmirtz Doofenshmirtz is offline
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Quote:
Originally Posted by slowplastic View Post
I've been throwing at 4,500' after sea level . . .
Thanks, this is exactly what I was looking for. I will report back after playing Solitude and give my impressions of the effect on the discs that I take. I may have to consider taking that 136g GStarlite Destroyer now.
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Old 09-07-2016, 12:22 PM
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bobmcnelly bobmcnelly is offline
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I've played disc golf at over 7,000 feet more than I have under 7,000 feet. When I go to sea level, I have to almost rethink my game and my bag.

As far as your disc selection, just adjust all your discs over a slot and pull any super OS discs unless your throwing over 450 feet. So your normal understable discs will be more of your stable discs and your stable discs will be your OS discs.

I've never really noticed a specific difference between Mids and drivers but there could be. Honestly I don't have a ton of experience throwing at sea level.
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Old 09-07-2016, 01:04 PM
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So I live at 4,800' and play 7,000+' courses regularly.
Here is my bag at 4,800'
-Defender, Crank, Pred, Teebird, Undertow, Comet, Buzzz, Wasp, Scale, Wizard

Bag at 7,000+
-Crank, Teebird, Undertow, Comet, Wasp, Wizard
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Old 09-07-2016, 01:21 PM
mattrowe mattrowe is offline
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I live in the Bay Area, and go up to Tahoe once or twice a summer (elevation: 6,200'). It's a very different game... My biggest recommendation is: bring that dusty/beat DX leopard that you have in the basement that you were planning on giving to a beginner. My second biggest recommendation is: try to do at least 15 minutes of field work before teeing off, the additional overstability is going to be a big surprise!
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Old 09-07-2016, 08:55 PM
Javy818 Javy818 is offline
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I've played a couple of mountain courses this year. Beaver Ranch in Colorado and Mt Waterman in Los Angeles are above 8000' and Sky High is mid 7000'.

Firebirds are useless up there. I bring the following that have given me success and 1 ace so far!

Putters for driving are the Legacy Hunter and MVP Ion. I also putt with both to keep the bag light.

Miss I throw the Envy for more stability, a beat up Pinnacle Ghost for flex lines.

Drivers. I take my Icon Patriot and it is $$$ up there. I park a ton of holes AND I got an Ace a month ago with it on an uphill turn shot. I also throw a flippy Outlaw and sidearm with it pretty well.

Have fun and disc down on cliffs cause the discs fly further up there!
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