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Old 06-19-2019, 08:34 PM
Codo Codo is offline
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Post A Fresh Addict From Portland, Oregon

Hello fellow addicts,

Im a fairly new player from Portland and Ive caught the bug something fierce.

This addiction isnt new to me, I tend to go all-in with hobbies Im interested in. But disc golf is different. Im usually just annoyed that Im not good enough or am unable to keep up with my peers, which drives me to get better. Disc golf is something else. I legitimately want to grow and compete at a serious level in the sport and have every intention of doing so.

A little about me:
- 6 months in the sport (started off casual, and just recently committed to competing)
- 7 year Air Force veteran (wish I knew about the sport while I was active)
- played ball golf semi-competitively while in the service (intramural leagues)
- insanely competitive about just about everything. I dont do it for the winning, I just love facing tough competition
- Pier Park, Timber & Milo are my main courses... but Rockwood Central Park is where I spend the most time

All that said, Im an analytical guy and love strategy and structure... its what I do for a living. Im planning on documenting and blogging my training and growth as I go, so be on the lookout for me in the forums. Ill be blogging, YouTubing and starting my own website as part of this project. That will come soon.

Thanks for your time everyone. Looking forward to diving into this community of fellow addicts.
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Old 06-20-2019, 01:31 AM
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ThrowaEnvy ThrowaEnvy is online now
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Well hey welcome to the party! Good luck at it, there's a ton of resources here. Have fun!

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Old 06-21-2019, 01:58 AM
RunnerUp RunnerUp is offline
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Hey Codo. Welcome!

I can relate to going "all in" at hobbies. I get into something and I push and push to see how good I can get. I'm also very analytical and competitive... it's no coincidence my day job is as a structural engineer and I played competitive sports into college.

As much as the competition (which can be against myself, so it's always there) I enjoy the physics of disc flight and course strategy in disc golf. This is a good game you've stumbled upon, good luck and I'll see ya around!

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Old 06-21-2019, 10:39 AM
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ThrowaEnvy ThrowaEnvy is online now
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Quote:
Originally Posted by RunnerUp View Post
Hey Codo. Welcome!

I can relate to going "all in" at hobbies. I get into something and I push and push to see how good I can get. I'm also very analytical and competitive... it's no coincidence my day job is as a structural engineer and I played competitive sports into college.

As much as the competition (which can be against myself, so it's always there) I enjoy the physics of disc flight and course strategy in disc golf. This is a good game you've stumbled upon, good luck and I'll see ya around!
Well just for fun and since I'm post whoring... here's a neat breakdown on disc physics from the "Noob or stupid questions answered here" thread.


From LoPan12... previous post.. "I'm no aerodynamics expert" ....

Neither am I. I do however have a degree that involved a lot of fluid dynamics. And before you ask the question, air is a fluid. And ArcheType, you're sort of right. I'll try to make this as understandable as I can....but this will get REAL sciencey, so bear with me please, or feel free to just skip this post entirely. Or better yet, go hit the end. After finishing up, I realized the first couple paragraphs aren't directly about "Why do I get more glide as it beats in"

Since we're talking about glide here, we'll treat the disc, as a whole, like a wing, or airfoil, as seen here.

Okay. When the disc flies through the air, you get a distinct seperation of air flow. Now consider two particles that get split up be the disc, one goes on top, one goes on the bottom. They will meet up again, behind the disc, so, because the top one has to travel farther, it is going faster. As speed increases, pressure decreases. You are left with a lower pressure area above the disc, and a higher pressure area below the disc. This phenomenon is called "LIFT" and for a given speed, will overcome the weight of the disc, and push it up. And what about that empty space under the disc? Well in that space, you get all sorts of forces, and I'm not totally sure what the net effect is...so...I'm not even gonna try.
When you now consider the rotation, think about relative speeds. For a RHBH, the left edge of the disc is moving faster than the right edge. So, due to the higher speed, the left edge will create MORE LIFT than the right side. This is shown in Fig. A below. The blue line is the amount of lift exterted on the disc. This is where you get the effect of flip, or HSS. The cant of the the disc then causes the overall lift force to steer the disc to the right.

AH! So why don't all my discs keep going right?
Well...you've got a rotating mass. This causes gyroscopic forces having to do with angular momentum and pitch and roll and whatnot. In a nutshell, the rotating mass of the disc causes a sum of forces call gyroscopic procession. This is what causes LSS, same as HSS, just the opposite direction. Fig. B shows the this force on the disc.
When you first release the disc, it has the most spin it ever will in that flight, and the assymetrical lift forces will outweigh precessional roll. But as the disc slows down, the lift forces aren't as large, and the disc rolls to the left.

It slows down, because of DRAG! Drag is a force that opposes your disc. The friction between the disc and air rob energy and the spin reduces, and the forward speed declines! BTW, a driver has less drag than a putter, due to putters having a blunt edge. So a driver's flight is therefore less lift-driven, and more ballistic. But don't think about that for now.

NOW, those of you still reading (god-bless you) are asking, "Okay, neat...what's this s#$t have to do with beating in and more glide?"
Well, turbulence is our friend here. A turbulent boundary layer on the surfaces of the disc eventually result in less drag! There's more fluid dynamics involved here, but trust me when I say, you end up with less drag. This is why golf balls are dimpled, but the reasons are a bit different for a sphere.
So, as you beat in a disc, it gets all these micro abrasions, that cause little eddies and vortexes that add up to turbulent, chaotic flow. In some cases, while this turbulence increases surface friction drag, the overall effect is a reduction in drag forces. This has to do with boundary layers, seperation points, and changes in pressure fields. But I'm damned tired.
The beating in reduces drag (to a point, then you start to get screwed again) allowing a disc to maintain the various lift forces for longer, lettings it go longer before fading, letting it glide longer.
Yeah. I think. Good Night.

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Old 06-21-2019, 10:40 AM
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ThrowaEnvy ThrowaEnvy is online now
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The pictures are long gone... but I found this to be helpful in understanding stuff..

Good luck sorting everything out.. Did I tell you to get a Comet yet? Someone will....
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Old 06-22-2019, 10:44 PM
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jeffmonty jeffmonty is offline
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Get a Comet. No, really. Get a Comet.

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Old 06-23-2019, 03:25 AM
Codo Codo is offline
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Quote:
Originally Posted by ThrowaEnvy View Post
Well just for fun and since I'm post whoring... here's a neat breakdown on disc physics from the "Noob or stupid questions answered here" thread.


From LoPan12... previous post.. "I'm no aerodynamics expert" ....

Neither am I. I do however have a degree that involved a lot of fluid dynamics. And before you ask the question, air is a fluid. And ArcheType, you're sort of right. I'll try to make this as understandable as I can....but this will get REAL sciencey, so bear with me please, or feel free to just skip this post entirely. Or better yet, go hit the end. After finishing up, I realized the first couple paragraphs aren't directly about "Why do I get more glide as it beats in"

Since we're talking about glide here, we'll treat the disc, as a whole, like a wing, or airfoil, as seen here.

Okay. When the disc flies through the air, you get a distinct seperation of air flow. Now consider two particles that get split up be the disc, one goes on top, one goes on the bottom. They will meet up again, behind the disc, so, because the top one has to travel farther, it is going faster. As speed increases, pressure decreases. You are left with a lower pressure area above the disc, and a higher pressure area below the disc. This phenomenon is called "LIFT" and for a given speed, will overcome the weight of the disc, and push it up. And what about that empty space under the disc? Well in that space, you get all sorts of forces, and I'm not totally sure what the net effect is...so...I'm not even gonna try.
When you now consider the rotation, think about relative speeds. For a RHBH, the left edge of the disc is moving faster than the right edge. So, due to the higher speed, the left edge will create MORE LIFT than the right side. This is shown in Fig. A below. The blue line is the amount of lift exterted on the disc. This is where you get the effect of flip, or HSS. The cant of the the disc then causes the overall lift force to steer the disc to the right.

AH! So why don't all my discs keep going right?
Well...you've got a rotating mass. This causes gyroscopic forces having to do with angular momentum and pitch and roll and whatnot. In a nutshell, the rotating mass of the disc causes a sum of forces call gyroscopic procession. This is what causes LSS, same as HSS, just the opposite direction. Fig. B shows the this force on the disc.
When you first release the disc, it has the most spin it ever will in that flight, and the assymetrical lift forces will outweigh precessional roll. But as the disc slows down, the lift forces aren't as large, and the disc rolls to the left.

It slows down, because of DRAG! Drag is a force that opposes your disc. The friction between the disc and air rob energy and the spin reduces, and the forward speed declines! BTW, a driver has less drag than a putter, due to putters having a blunt edge. So a driver's flight is therefore less lift-driven, and more ballistic. But don't think about that for now.

NOW, those of you still reading (god-bless you) are asking, "Okay, neat...what's this s#$t have to do with beating in and more glide?"
Well, turbulence is our friend here. A turbulent boundary layer on the surfaces of the disc eventually result in less drag! There's more fluid dynamics involved here, but trust me when I say, you end up with less drag. This is why golf balls are dimpled, but the reasons are a bit different for a sphere.
So, as you beat in a disc, it gets all these micro abrasions, that cause little eddies and vortexes that add up to turbulent, chaotic flow. In some cases, while this turbulence increases surface friction drag, the overall effect is a reduction in drag forces. This has to do with boundary layers, seperation points, and changes in pressure fields. But I'm damned tired.
The beating in reduces drag (to a point, then you start to get screwed again) allowing a disc to maintain the various lift forces for longer, lettings it go longer before fading, letting it glide longer.
Yeah. I think. Good Night.
Thanks for sharing this. Ive been trying to better understand why beat in discs tend to become less stable. Its still very confusing because my intuition wants to assume that abrasions would naturally increase drag, therefore decreasing overall speed and causing the disc to have a shorter flight. I wanted to believe initially that beating in a disc would increase its flexibility, ie, allowing for it to stretch under the extreme gyroscopic forces, causing greater surface area and an enhanced ability catch air.

Im a prior aircraft mechanic, so the idea of air displacement is a familIar topic. We had to learn all of this stuff in school... but its rusty. Thanks for spiking My interest here, Im going to go do some reading. 🤓

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Old 06-23-2019, 03:29 AM
Codo Codo is offline
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Quote:
Originally Posted by jeffmonty View Post
Get a Comet. No, really. Get a Comet.
Here’s what I bag -

D3
Gstar Destroyer
Star Monster
Star Firebird
Star Thunderbird
Star TL3
Champ Teebird
Mako3
Roc3
Warden
GT Banger

I’m throwing 350+ with control and can rip it out past 400 with the Gstar Destroyer and D3 on a hyzer flip line. Currently working on being better at hitting lines and working on the ability to throw anny shots. Backhand and forehand are both bombers �� but I suck at aiming.


Please tell me more about the comet! I’m open to adjusting my bag, as I’m only just figuring things out.

Last edited by Codo; 06-23-2019 at 03:32 AM.
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Old 06-23-2019, 03:47 AM
Codo Codo is offline
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Oh and this ace race 2014 disc. It’s flight chart is 9 5 -3 1

It’s too understable for me to throw FH or BH. I’m going to be working on understable discs soon.
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Old 06-23-2019, 10:20 AM
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ThrowaEnvy ThrowaEnvy is online now
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Quote:
Originally Posted by Codo View Post
Oh and this ace race 2014 disc. Its flight chart is 9 5 -3 1

Its too understable for me to throw FH or BH. Im going to be working on understable discs soon.
Well let's quote the short post haha... so that disc you have from 2014 is the Heat... I've heard lots of folks say it's understable and can work some extended flip lines.. I haven't thrown one myself I'm one of those Gyro guys.. I did look at a Sting but it got sold before I got back to the store.

With the exception of the Comet of course, I've got a stack of those, I had probably 40+ discs before I joined the forum and someone was talking about smoother form and everyone suggested the Comet (and an XL).. Anyhow picked one up threw it and an Ion exclusively for about four months and started gaining some distance because my form got better.

The Comet can "go 300' on a frozen rope" , it's a classic midrange similar to a Roc in feel, less stable and very neutral. You can control many flights by adjusting nose angle etc. It will likely be a bit flippy for you to start but the glide is insane, it can fly really far and does it slowly. As a woods player there's always a Comet in my bag.. There's a few Comet threads going... Comet Love and ask MJ / Comet love... yes two threads almost the same name... check those out.

If you were thinking about getting one everyone will tell you to get an X Comet and break it in, I will tell you to get a glow Z then you can play at night too.. But part of my preference is durability since I live on a rock pile. Personally I like the 174-176g though I have 8 in various weights and plastic. Given that you are used to stable plastic and that Roc, any Comet would probably work around 174g... stick with it because it won't have the stability you are used to but it's just following the line you put it on.

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