, or you can find a reasonable proxy for on trainerroad / elsewhere.
Thats not a bad idea. For the sake of having your intervals laid out for you. You dont need absolute accuracy. In fact if the proxy is half decent you could do a virtual FTP, to use in your virtual trainerroad sessions.
If this seems to change. Reborrow the powertap, and find out your new FTP for real world use (ie. posting on interweb forums)
Thats not a bad idea. For the sake of having your intervals laid out for you. You dont need absolute accuracy. In fact if the proxy is half decent you could do a virtual FTP, to use in your virtual trainerroad sessions.
If this seems to change. Reborrow the powertap, and find out your new FTP for real world use (ie. posting on interweb forums)