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I thought the Erg Mode Death Spiral was bad

 
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JaRok2300




Joined: 01 May 2014
Posts: 437
Location: Worcester, UK

PostPosted: Tue Mar 05, 2019 9:55 am    Post subject: I thought the Erg Mode Death Spiral was bad Reply with quote

Had an "interesting" session on the Turbo last night.

Didn't check the tyre pressure before the session but gave it a quick squeeze and seemed ok. Start session and my P2M is reading @140W for the 100W (Bkool) warm-up.

Now, the Bkool is never the most accurate, especially at the start of session, but that's way out of line but I think carry on it will probably settle down. Get to first interval, 200W and P2M is reading @260W, then 180W is @230W and 160W is @200W.

I notice the tyre looks to be bulging a bit more than usual but no-one wants to stop part way through a session, then it starts squeaking on the roller and looks really soft. Anyway, I keep going and the last 160W block is reading 230W by this stage as the tyre gets softer and softer.

By the finish tyre was down to about 30psi and I had to peel the tube off the inside of the tyre as it seemed to have stuck too it, maybe overheated as it went flat.

So, if you want a good progressive workout a slow puncture is the way to go. (I think direct drive may be the way ahead)
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