Power down on turbo compared to on road?

Trev The Rev

http://alex-cycle.blogspot.co.uk/2009/0 ... ining.html

Could another contributory factor for less power indoors on the turbo than out on the road be more variable broader force, cadence, micro rests and micro power peaks on the road as opposed to a more steady state narrow range of force, cadence & power on the turbo?

Herbsman

I hope so, 'cause that would mean my FTP is actually 355.6w

okgo

Seen a few people have a Turbo FTP and a Road FTP, as long as they are consistent it shouldn't matter?

GiantMike

Trev The Rev wrote:

Could another contributory factor for less power indoors on the turbo than out on the road be more variable broader force, cadence, micro rests and micro power peaks on the road as opposed to a more steady state narrow range of force, cadence & power on the turbo?

Yeah, maybe, why not?

Just like the last time you raised this theory. Have you tried the search function to see what you've written in the past?

search for variable cadence by Trev

I have less power indoors because I use my powertap too close to the microwave. When I go out on my bike I produce more power, so there's a direct correlation. I need to take the microwave out on the road with me to prove the theory, but the lead is very short.

mattshrops

Not sure, but i'm prepared to keep an open mind

Froomes Edgar

Trev The Rev wrote:

http://alex-cycle.blogspot.co.uk/2009/01/turbocharged-training.html

Could another contributory factor for less power indoors on the turbo than out on the road be more variable broader force, cadence, micro rests and micro power peaks on the road as opposed to a more steady state narrow range of force, cadence & power on the turbo?

Dunno. Who cares?

Wrath Rob

I read the article the other day, its a great post and highlights why you need a decent fan, amongst other things.

Trev, in terms of peaks/rests, this should come out in the wash, especially if you look at averaging the power out (pure average or NP). The main benefit of a turbo, for me, is that you can really focus your workout on a narrow power band and hold it there. 2*20min sweet spot intervals on the turbo are likely to see you spend more time in that sweetspot than the same ride on the road. So you spend more time in the right zone, stimulating your body's adaptations. I can only spend so many hours training a week so the more time focusing on the right thing the better.

Alex_Simmons/RST

Trev The Rev wrote:

http://alex-cycle.blogspot.co.uk/2009/01/turbocharged-training.html

Could another contributory factor for less power indoors on the turbo than out on the road be more variable broader force, cadence, micro rests and micro power peaks on the road as opposed to a more steady state narrow range of force, cadence & power on the turbo?

Well there are neuromuscular differences in doing such efforts on the turbo than the road, which one can examine through a Quadrant Analysis of pedal forces and speeds:
http://alex-cycle.blogspot.com.au/2009/ ... lysis.html

In my case, using a very high inertia trainer set up*, then my ability to sustain power was the same indoors as outdoors. On a lower inertia trainer (a Computrainer which I use now - I no longer have it), I suspect but have not formally tested that I am down maybe 10-15W indoors than outdoors. Since I haven't tested in the same manner, I'm not going to hang my hat on that.


* Thunderbird 7



My fan: