TruSail: training analytics

could

   I’ve often thought it would be nice to have a heated tiller extension. Could kill two birds with one stone - warm hands if you keep it flat, a rude awakening if you don’t!

I agree Mozzy. For example, how many people know how much speed they lose through a tack and how much that could be improved by optimising turn rate (tiller use), roll angle etc. It would be a great training tool for giving quantifiable  feedback and improving consistency. 

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Guests Send Private Message Find Member's Posts Guest Group	Post Options Post Reply Quote Guests Quote Reply Topic: TruSail: training analytics Posted: 08 Jan 19 at 6:00am
	I’ve often thought it would be nice to have a heated tiller extension. Could kill two birds with one stone - warm hands if you keep it flat, a rude awakening if you don’t! I agree Mozzy. For example, how many people know how much speed they lose through a tack and how much that could be improved by optimising turn rate (tiller use), roll angle etc. It would be a great training tool for giving quantifiable feedback and improving consistency.

423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Posted: 08 Jan 19 at 7:14am
	Alexa tell me when I am not flat Edited by 423zero - 08 Jan 19 at 7:14am

sargesail Send Private Message Find Member's Posts Really should get out more Joined: 14 Jan 06 Location: United Kingdom Online Status: Offline Posts: 1459	Post Options Post Reply Quote sargesail Report Post Quote Reply Posted: 08 Jan 19 at 8:11am
	So do you actually think this would make you faster? Or is it a question of achieving training efficiency: getting to the 10000 hours mark earlier?

Guests Send Private Message Find Member's Posts Guest Group	Post Options Post Reply Quote Guests Quote Reply Posted: 08 Jan 19 at 8:32am
	My opinion is that only by measuring inputs and outputs you can a. Find the best technique b. Measure how well and consistently you apply that technique and c. Share that technique unambiguously with others. So yes, you could be faster and yes you could more quickly get 10000 useful hours of practice.

Guests Send Private Message Find Member's Posts Guest Group	Post Options Post Reply Quote Guests Quote Reply Posted: 08 Jan 19 at 9:30am
	I think it's a lot about training efficiency. Doing a two boat tuning run can take hundreds of iterations to have confidence in your findings. And conditions change so much it's hard to actually repeat the same tuning run twice. I don't think any amateurs do even a tenth of what is required to learn anything conclusive from this type of training (that's not say it isn't effective for other reasons). If you're lucky you'll have a coach following with a camera and from this you can start to see differences. But this feedback comes hours after the run was done, by which time you've lost that sensation of how it felt. To see on a display, or have headphones on and have a coach tell you what the immediate impact of your changes are would speed up the whole process immensely. So basically, it's more precise feedback on what you're doing and it's more timely. Which speeds up the learning process. But, like power meters on bikes, not only does it speed up learning, but it also could enable you to learn things which you couldn't have possibly known without the sensor. A few years with good data collection and the clever people will start seeing patterns which can tell you things about the known unknowns and even find the unknown unknowns. I wouldn't like this to become part of racing, I think that should be done on feel. But i'd love to use this stuff in training.

Gordon 1430 Send Private Message Find Member's Posts Far too distracted from work Joined: 27 Jun 17 Location: Lee on Solent Online Status: Offline Posts: 310	Post Options Post Reply Quote Gordon 1430 Report Post Quote Reply Posted: 08 Jan 19 at 9:43am
	I found the first time I put a camera facing aft on the boat so I could see horizon and transom bar really made me realise what I thought was flat wasn't. I now work much harder at that but bet I am still not flat 70% of the time. Sailing in waves should you be flat to the water your on or flat to the horizon as a general rule? My thought was to the water your on but thought I would check
	Gordon Phantom 1430

Guests Send Private Message Find Member's Posts Guest Group	Post Options Post Reply Quote Guests Quote Reply Posted: 15 Jan 19 at 11:09am
	Peters & Sterritt 49er Team "Since November we have been training down in Vilamoura with the rest of the British 49er squad, testing and racing on the equipment we will be using at this years big Regatta's. We're excited to be using Trusail's telemetry system to really dive into the details of what it takes to make a 49er go fast. There is a huge amount that data can tell us and we'll be sharing some of our findings on here for those who are interested. Up next is the Miami WC with the first race on the 29th of January. Looking forward to measuring ourselves against the rest of the World!" Facebook Page

gonesailing Send Private Message Find Member's Posts Newbie Joined: 21 Feb 19 Online Status: Offline Posts: 3	Post Options Post Reply Quote gonesailing Report Post Quote Reply Posted: 22 Feb 19 at 10:25am
	Hello! I love cycling, powermeters and cycling software like Strava, Garmin Connect, etc. I'd like to have advanced analytics for sailing too but I wasn't able to find anything. So I made my own 1/10th second resolution GPS and purchased wind sensor with built-in inclinometer. Now I'm working on software for data analysis. If anybody has good ideas for it, I'll happy to listen :)

MerlinMags Send Private Message Find Member's Posts Visit Member's Homepage Admin Group Joined: 19 Mar 04 Location: UK, Guildford Online Status: Offline Posts: 588	Post Options Post Reply Quote MerlinMags Report Post Quote Reply Posted: 22 Feb 19 at 3:03pm
	I worked on an inclinometer app two years ago, just testing an idea. I'd be interested to hear how you go on, and whether the results were able to be presented in a useful format.

gonesailing Send Private Message Find Member's Posts Newbie Joined: 21 Feb 19 Online Status: Offline Posts: 3	Post Options Post Reply Quote gonesailing Report Post Quote Reply Posted: 23 Feb 19 at 7:31pm
	I'm using my own track format. It allows to store GPS coordinates, wind data and heeling angle in compact way. App can export data in CSV format for applications like Excel. I can publish native format description if you are interested.