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Forum: Technique & Strategy 05-20-2016, 11:57 AM
Replies: 21
Views: 1,488
Posted By jtencer
My experience has been that 5 ft is probably too...

My experience has been that 5 ft is probably too big a jump for that type of practice session. I usually go with 1-2 ft which helps maintain the continuity. If you make the jumps too big it can get...
Forum: Technique & Strategy 05-12-2016, 10:05 AM
Replies: 30
Views: 2,164
Posted By jtencer
Spike hyzer is just a really high hyzer shot that...

Spike hyzer is just a really high hyzer shot that comes down as a nearly vertical blade and tends to stay wherever it lands reasonably well. They're useful for going over obstacles or for when you...
Forum: Technique & Strategy 05-09-2016, 05:00 PM
Replies: 30
Views: 2,164
Posted By jtencer
I'm most comfortable throwing everything from a...

I'm most comfortable throwing everything from a hyzer angle. I usually carry an US and an OS option for each distance range but I apparently carry far fewer discs to cover my range of distances than...
Forum: General Disc Golf Chat 05-02-2016, 05:45 PM
Replies: 39
Views: 2,370
Posted By jtencer
BTW, if anybody gets this far and actually wants...

BTW, if anybody gets this far and actually wants an answer:

Pretty dang close to the original spin rate. Friction drag isn't very big and discs have relatively high moments of inertia by design. ...
Forum: General Disc Golf Chat 05-02-2016, 05:34 PM
Replies: 39
Views: 2,370
Posted By jtencer
RPM, RPS, or rad/sec are all pretty common. ...

RPM, RPS, or rad/sec are all pretty common. rad/sec is the official SI unit though.
Forum: General Disc Golf Chat 04-26-2016, 09:24 AM
Replies: 144
Views: 11,526
Posted By jtencer
This is what saved me in more ways than one.

This is what saved me in more ways than one.
Forum: Discs 04-25-2016, 04:52 PM
Replies: 76
Views: 3,304
Posted By jtencer
Reading through this thread, I think a lot of...

Reading through this thread, I think a lot of people missed this point. It sounds like people are trying to replicate a Z comet which is considerably more HSS than the x, tp, or esp versions. Z...
Forum: General Disc Golf Chat 04-21-2016, 12:54 PM
Replies: 71
Views: 2,821
Posted By jtencer
I say keep throwing it (after having lost 3 ace...

I say keep throwing it (after having lost 3 ace discs already).
Forum: General Disc Golf Chat 04-13-2016, 07:00 PM
Replies: 23
Views: 1,736
Posted By jtencer
Go play/watch some ultimate. Any pull out the...

Go play/watch some ultimate. Any pull out the back is over 95 yards (285 ft). Most decent pullers are putting extra height on their pulls to avoid going out the back and give their team time to run...
Forum: Discs 04-05-2016, 11:42 PM
Replies: 70
Views: 4,405
Posted By jtencer
APX is probably the closest I found to a comet...

APX is probably the closest I found to a comet but I'd like to throw out the Putt'r as an alternative option. It has a lot less glide and some people don't like the rim but I love it and try to...
Forum: Technique & Strategy 03-30-2016, 07:09 PM
Replies: 17
Views: 1,029
Posted By jtencer
I don't have a problem switching between ultimate...

I don't have a problem switching between ultimate and golf discs. You probably started doing something new that the golf discs were masking (OAT) and you didn't notice because of the long lay off...
Forum: Vacations & Road Trips 03-26-2016, 12:41 AM
Replies: 15
Views: 615
Posted By jtencer
I prefer Warriors Path to Winged Deer plus if...

I prefer Warriors Path to Winged Deer plus if you're looking for a disc shop the pharmacy near warriors has a decent selection (or at least they did when I used to live there).

Edit to add link to...
Forum: Technique & Strategy 03-24-2016, 04:48 PM
Replies: 74
Views: 3,250
Posted By jtencer
How about this: Disc has 4 main properties: ...

How about this:

Disc has 4 main properties:

HSS (resistance to turning at high speed)
LSS (tendency to fade at low speed)
Speed (lack of resistance to moving forward)
Glide (resistance...
Forum: Technique & Strategy 03-08-2016, 08:52 PM
Replies: 282
Views: 13,302
Posted By jtencer
/thread

/thread
Forum: Technique & Strategy 03-03-2016, 04:37 PM
Replies: 282
Views: 13,302
Posted By jtencer
I'm going to over-simplify this a bit, but I...

I'm going to over-simplify this a bit, but I think it will help.

The disc sees the air at a different speed on the left and right sides, but that only effects the friction drag in any meaningful...
Forum: Technique & Strategy 03-03-2016, 04:30 PM
Replies: 282
Views: 13,302
Posted By jtencer
No because the exact torques and accelerations...

No because the exact torques and accelerations that occur before it leaves your hand really don't matter. All that matters is the velocity and spin that it has after it leaves your hand. If you...
Forum: Technique & Strategy 03-03-2016, 11:46 AM
Replies: 282
Views: 13,302
Posted By jtencer
I think the effect would be different if the...

I think the effect would be different if the force is applied while the disc is still in your hand and not really spinning and after the disc leaves your hand and has begun spinning. As I'm reading...
Forum: Technique & Strategy 03-02-2016, 03:27 PM
Replies: 282
Views: 13,302
Posted By jtencer
I have no intuition whatsoever about why OAT...

I have no intuition whatsoever about why OAT impacts the flight in the way that it does. I'm not really even sure I know how to impart OAT. I came from an ultimate background and have always been...
Forum: Technique & Strategy 03-02-2016, 01:10 PM
Replies: 282
Views: 13,302
Posted By jtencer
I think it's hard to be very specific here...

I think it's hard to be very specific here because it's different for every disc geometry but the general idea is that the angle of attack generally increases (I think monotonically but I'm not 100%...
Forum: Technique & Strategy 03-02-2016, 01:02 PM
Replies: 282
Views: 13,302
Posted By jtencer
Cool. It sounds like we're on the same page...

Cool. It sounds like we're on the same page there then.

Is the remaining confusion over how the moment changes sign depending on the velocity and angle of attack?
Forum: Technique & Strategy 03-02-2016, 12:58 PM
Replies: 282
Views: 13,302
Posted By jtencer
drag can contribute to the torque, but the moment...

drag can contribute to the torque, but the moment arms tend to be short because discs are pretty flat so the lift force is probably the dominant component.
Forum: Technique & Strategy 03-02-2016, 12:56 PM
Replies: 282
Views: 13,302
Posted By jtencer
Also, the angle of attack is changing not just...

Also, the angle of attack is changing not just due to pitching from aerodynamic effects but also due to the slowing of the forward velocity due to drag and the changing of the vertical velocity as it...
Forum: Technique & Strategy 03-02-2016, 12:51 PM
Replies: 282
Views: 13,302
Posted By jtencer
I'm thinking that the disconnect may have to do...

I'm thinking that the disconnect may have to do with your reference frame. You're thinking in a global reference frame (the disc goes out turns right then turns left). The rest of us are talking...
Forum: Technique & Strategy 03-02-2016, 12:46 PM
Replies: 282
Views: 13,302
Posted By jtencer
I don't know where all of this talk about gravity...

I don't know where all of this talk about gravity wells is coming from. Is it because we've been using "center of gravity" to describe the middle of the disc rather than "center of mass"? They're...
Forum: Technique & Strategy 03-01-2016, 06:29 PM
Replies: 282
Views: 13,302
Posted By jtencer
Not ToddL, but I'll take a crack at a couple of...

Not ToddL, but I'll take a crack at a couple of these.

1) I think that separated flow is likely a dominant feature, especially on the bottom of the disc.
2) The release angle gives you an...
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