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Posted

what would you guys say is the powercal better than the tacx bushido

 

Personally, no - the Bushido "measures" power whilst the powercal calculates it by correlating it to heart rate. I have both the Bushido and powercal, plus a Power2Max powermeter, the Bushido is closer to my powermeter that the powercal - with a good calibration of the brake motor after a warmup it tracks within 5% to 8% of the Power2max powermeter. Interestingly enough the powercal for me is totally off - I've read on a couple of reviews that this does occur with some users, on average I find the powercal 40 to 50 Watts (20%+) lower than the powermeter. However at the same time I've seen a lot of reviews where it performs well for other people.

  • 3 weeks later...
  • 3 months later...
  • 2 weeks later...
Posted

Also got the powercal to complement my powertap when I'm on my race bike and mtb, so far the averages has been very similar. I'm only using it to keep track of my PMC, ie IF and TSS.

  • 4 weeks later...
Posted

Also got the powercal to complement my powertap when I'm on my race bike and mtb, so far the averages has been very similar. I'm only using it to keep track of my PMC, ie IF and TSS.

Does the powercal work well on the MTB?

Posted

Does the powercal work well on the MTB?

 

Ya works pretty well, must say I'm quite surprised by the function of this unit.

 

I must admit that I'm craving for a DFPM on my racebike, however this doesnt get used often enough to justify the price one pays.

  • 1 month later...
Posted

HI guys,

 

Some advice on the whole powercal / power metre debate please.

 

Im am about to buy a powertap which i will have built into my Zipp wheel for use on my TT and road bike. Now sadly during winter my midweek rides are restricted to the IDT, and i am not too keen on using the Zipp on the IDT (I have a training wheel).

 

My understanding is that the real benefits of training with a PM would be when doing intervals etc.

 

Considering that the majority of my structured training work (intervals, tempo sessions etc) is done during the week, and now on the IDT would it be worthwhile to get a Powercal for use on the IDT and the Powertap on the road??

%2

Posted

HI guys,

 

Some advice on the whole powercal / power metre debate please.

 

Im am about to buy a powertap which i will have built into my Zipp wheel for use on my TT and road bike. Now sadly during winter my midweek rides are restricted to the IDT, and i am not too keen on using the Zipp on the IDT (I have a training wheel).

 

My understanding is that the real benefits of training with a PM would be when doing intervals etc.

 

Considering that the majority of my structured training work (intervals, tempo sessions etc) is done during the week, and now on the IDT would it be worthwhile to get a Powercal for use on the IDT and the Powertap on the road??

%2

 

I would recommend you use the Powertap wheel for training, and the powercal for racing (if you really don't want to use the zipps for training - your call on whether or not to use the zipp on the IDT or build up a different wheel. I don't think that an IDT will be a problem for the zip's, but racing tires will not be great on the IDT, so you will be changing tires a lot - something I don't like doing.

 

Powercal is useless for doing short hard intervals on an IDT - which is when you really need accurate figures and quick response times - this is not to say the powercal does not work, (and on average it does) but because it works via an intermediate measure (heart rate) which lags actual power production and tends to 'average' things out.

Posted

I would recommend you use the Powertap wheel for training, and the powercal for racing (if you really don't want to use the zipps for training - your call on whether or not to use the zipp on the IDT or build up a different wheel. I don't think that an IDT will be a problem for the zip's, but racing tires will not be great on the IDT, so you will be changing tires a lot - something I don't like doing.

 

Powercal is useless for doing short hard intervals on an IDT - which is when you really need accurate figures and quick response times - this is not to say the powercal does not work, (and on average it does) but because it works via an intermediate measure (heart rate) which lags actual power production and tends to 'average' things out.

What he said....maybe relook at your needs.

 

You get some really nice IDT's for the price of a powertap and it seems it will also align closer to your needs.

 

Alternatively there is cadence / wattlab that comes with its own pro's and cons. You can also do the DIY approach with some friel books and a virgin active membership at alice lane where they do have wattbikes.

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