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Training using a speed puck #247991
05/09/12 07:56 AM
05/09/12 07:56 AM
Joined: Jan 2009
Posts: 5,525
pgp Offline OP
Carpal Tunnel
pgp  Offline OP
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Anyone done it?


Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.

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Re: Training using a speed puck [Re: pgp] #248007
05/09/12 11:50 AM
05/09/12 11:50 AM
Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
TEH Offline
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TEH  Offline
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Chicago, Illinois USA
I sail with one, training or not. I think it can help you on the water to make adjustments, see wind shifts and help you off the water by showing your tacks/jibes,roundings. For example, I found I was constantly oversteering on port tacks. Only downside is when on the water, you can get fixated on the thing.

Last edited by TEH; 05/09/12 11:51 AM.

Blade F16 USA 725
Re: Training using a speed puck [Re: pgp] #248011
05/09/12 12:36 PM
05/09/12 12:36 PM
Joined: Jan 2009
Posts: 5,525
pgp Offline OP
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Any problem playing the tracks back?


Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.

Re: Training using a speed puck [Re: pgp] #248012
05/09/12 12:38 PM
05/09/12 12:38 PM
Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
TEH Offline
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TEH  Offline
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Chicago, Illinois USA
No. I use that free GPSar program or the free one you get with the speed puck. I like GPSar because it has more features and you can get a data dump. No cool satellite mapping though.


Blade F16 USA 725
Re: Training using a speed puck [Re: pgp] #248029
05/09/12 07:48 PM
05/09/12 07:48 PM
Joined: Oct 2011
Posts: 217
Palm Harbor, FL
daniel_t Offline
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Palm Harbor, FL
What does the data dump look like? I was thinking it would be fun to write a program that can take data from a GPS and create a polar diagram from it. I've seen an app or two for iPhone that does that.


Daniel T.
Taipan F16 - USA 213
Re: Training using a speed puck [Re: pgp] #248035
05/09/12 09:28 PM
05/09/12 09:28 PM

M
MarkMT
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MarkMT
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M



You can display your track data over map or satellite images, if that's what you mean. Sections C.2 & J in the full manual... http://gpsactionreplay.free.fr/index.php?menu=2

Re: Training using a speed puck [Re: pgp] #248046
05/10/12 06:41 AM
05/10/12 06:41 AM
Joined: Oct 2011
Posts: 217
Palm Harbor, FL
daniel_t Offline
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Palm Harbor, FL
No, I mean what is the file format that the speedpuck spits out? Is it a csv of lat/long/time triplets, or something else?


Daniel T.
Taipan F16 - USA 213
Re: Training using a speed puck [Re: ] #248051
05/10/12 07:54 AM
05/10/12 07:54 AM
Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
TEH Offline
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TEH  Offline
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Posts: 329
Chicago, Illinois USA
Maybe they updated it, but when I tried the satellite overlay it was a real pain. You had to copy the map in and resize it.


Blade F16 USA 725
Re: Training using a speed puck [Re: daniel_t] #248055
05/10/12 08:13 AM
05/10/12 08:13 AM
Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
TEH Offline
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TEH  Offline
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Posts: 329
Chicago, Illinois USA
I don't recall. GPSar can output a CSV I think. It's a delimited file of some sort because I opened it in Excel. I tried to write a program which would use the coordinates to identify time spent on tacks/jibs and roundings. It only worked about 70% of the time and I never took the time to work on it again.

I did do the analysis manually on 3-4 races pulling data from Kattack and figured out how much time I was taking to turn the boat versus my competitors (and how far and fast I was going on each leg). That was pretty eye opening.


Blade F16 USA 725
Re: Training using a speed puck [Re: TEH] #248058
05/10/12 08:29 AM
05/10/12 08:29 AM
Joined: Nov 2005
Posts: 141
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mini Offline
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mini  Offline
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Joined: Nov 2005
Posts: 141
Speed pucks are very cool gadgets.

Using it for training by yourself has very little value.
You have an F16 and those are very obvious when you are going faster or slower. If you had a snipe where adjustments only provided 1/100 of a knot differences instead of 3-4 then I would say a puck might have more value.

To train to race you need time on the water with other boats. Faster is usualy but not alway better if you are not going the right way. Yes you can look at some downloads and see some pointers that might indicate poor technique, but the feedback is delayed and not connected to the events going on at the time.

An hour with 2 boat training is worth 50 with just a puck, and around 52 just by yourself. IMO

Re: Training using a speed puck [Re: mini] #248063
05/10/12 09:07 AM
05/10/12 09:07 AM
Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
TEH Offline
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TEH  Offline
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Joined: Dec 2008
Posts: 329
Chicago, Illinois USA
I don't have much experience with two boat training. I could see where it would have great benefit and more than using a GPS alone.

But I'm lucky to get to 6 races a year. Two boat training would indeed be a luxury. I do get a some weekends to sail alone and believe that reviewing these metrics - even delayed - has been invaluable to my learning curve. It's ten times more enlightening when you review multi boat performance using Kattack and the summary statistics it provides. Do some additional manual analysis and you really get the picture.

I believe with the advent of the GPS, sailing will have statistics similar to baseball. I'll bet the AC45 teams study these metrics constantly and work on performance issues they discover.


Blade F16 USA 725
Re: Training using a speed puck [Re: TEH] #248198
05/12/12 08:31 AM
05/12/12 08:31 AM
Joined: Aug 2007
Posts: 118
Pensacola, FL
C
Cab Offline
member
Cab  Offline
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C

Joined: Aug 2007
Posts: 118
Pensacola, FL
I have been having fun with the i regatta app on the i phone. Lots of features. Start line stuff, speed, course, VMG, navigation. I use the life proof case/arm band and wear it on my wrist.


Chris
Trident F16
Re: Training using a speed puck [Re: pgp] #248201
05/12/12 08:41 AM
05/12/12 08:41 AM
Joined: Jan 2009
Posts: 5,525
pgp Offline OP
Carpal Tunnel
pgp  Offline OP
Carpal Tunnel

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Posts: 5,525
Jeez, I have too many gadgets already. I'm not ready for another.


Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.

Re: Training using a speed puck [Re: Cab] #248230
05/13/12 03:04 AM
05/13/12 03:04 AM
Joined: May 2006
Posts: 1,383
Kingston SE South Australia
JeffS Offline
veteran
JeffS  Offline
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Joined: May 2006
Posts: 1,383
Kingston SE South Australia
Thanks for the heads up on this case I'd be interested in one, is the arm bound comfortable? Could the phone get dislodged easily? I currently take my phone in a drybag for emergencies but I'd like to use the I'regatta more and I'd like to listen to music on distance races.


Jeff Southall
Current boats
Nacra 5.8 1703 Animal Scanning Services
Nacra 5.8 1667 Ram Raider
Nacra 18 Square
Arrow 1576
Re: Training using a speed puck [Re: JeffS] #248251
05/13/12 12:07 PM
05/13/12 12:07 PM
Joined: Aug 2007
Posts: 118
Pensacola, FL
C
Cab Offline
member
Cab  Offline
member
C

Joined: Aug 2007
Posts: 118
Pensacola, FL
Arm band is really secure and will fit around the arm or wrist. It has a sliding lock to lock the phone in place. I leave my phone in the case all the time.


Chris
Trident F16

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