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Calcoaster's latest activity
C
Calcoaster
reacted to
Yako's post
in the thread
Another new TQ motor: hpr40
with
Like
.
Officially it’s 90%. I’m still putting the data together from my rides, but it’s not seeming to be inefficient in terms of average...
Aug 4, 2025
C
Calcoaster
reacted to
mschwett's post
in the thread
Another new TQ motor: hpr40
with
Like
.
well, not really. we're talking about a specific bike - or at least a specific motor system which in a road bike means 23-30lb. not...
Aug 4, 2025
C
Calcoaster
reacted to
mschwett's post
in the thread
Another new TQ motor: hpr40
with
Like
.
yes, and even 150w of assist is really quite a lot on a road bike, that's the difference between a spirited amateur and a pro in a lot...
Aug 4, 2025
C
Calcoaster
replied to the thread
Another new TQ motor: hpr40
.
Yes, it’s logical that the hpr40 will prove to be at least as efficient as the HPR50, likely better. Besides evolving motors, there are...
Aug 4, 2025
C
Calcoaster
replied to the thread
Another new TQ motor: hpr40
.
Here’s another test report I came across showing the efficiency o the HPR50...
Aug 4, 2025
C
Calcoaster
replied to the thread
Another new TQ motor: hpr40
.
When Specialized rolled out the Creo2 they published this chart comparing their new motor’s efficiency with the TQ hpr50 and others. I...
Aug 4, 2025
C
Calcoaster
reacted to
TRW's post
in the thread
Another new TQ motor: hpr40
with
Like
.
That is indeed an interesting video but... The strain wave drive is quite different to the TQ HPR, it has a flexible element, the HPR...
Aug 3, 2025
C
Calcoaster
reacted to
Jeremy McCreary's post
in the thread
Specialized Turbo Vado SL: An Incredible E-Bike (User Club)
with
Like
.
Thanks! I'd love to see some of the sources you mentioned. Made my model of the Specialized power-sensing mid-drive PAS by taking their...
Aug 2, 2025
C
Calcoaster
replied to the thread
Specialized Turbo Vado SL: An Incredible E-Bike (User Club)
.
It’s nice to see you’re taking the 1.8 (or so) rider multiplication factor into consideration in your examples showing the rider power...
Aug 2, 2025
C
Calcoaster
reacted to
Jeremy McCreary's post
in the thread
Specialized Turbo Vado SL: An Incredible E-Bike (User Club)
with
Like
.
The results are in: 40/60, 60/80, 80/100 is zippy fun but eats too much battery for routine use — especially on bigger rides. For...
Aug 2, 2025
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