TrainerRoad (podcast and forum) signposted me to using Bestbikesplt when racing TT’s. I love being able to use a power plan as a guide to laying down as much power as I can.
Can someone help to guide me in respect of where I am going wrong in my workflow with this or if I have a fundamental flaw in my expectations of the software.
I am using BBS to produce power intervals for TT races. All on tarmac in the UK.
I have weighed my bike, my clothing and updated my bike settings for actual gear specs being used.
I upload the course, then update the weather as close as I can to leaving for the event.
Usually I exectute the power plan to the letter. I’m generally pleased with this aspect and achieve the intended IF, VI, NP and AP.
Then, I analyse the actual Cda and Avg Yaw (via race analytics) and find that they are way off from the original plan - although often the time is not. I then use the widget at the foot of Race Analytics to update the Bike for the new Cda Race and Cda Climb. I then get a race result which almost matches the actual result. I then use these new numbers to plan future events.
I feel like I am bodging it. I feel like I am reverse engineering the actual settings to make the ‘plan’ work, after the event. Should I be changing the bike Cda after every event?
I am not an engineer and not scientifically minded and realise that this may be as good as it gets, but I hear people talk about their estimated Cda with some certainty and mine is honestly all over the shop which makes it difficult to establish whether any changes to bike / equipment or rider setup are helping?
Any help gratefully received