Sept 20

Sept 20, 2004

It's the second last day of summer, and I awoke to snow! So decided to go for a ride in the Rocket anyhow. 65km in 2.5 hours. My legs are adjusting nicely - no discomfort to speak of. According to the SRM analysis, my power to HR efficiency is quite a bit higher than my triathlon bike (CP150 = 280 watts) which is nice to see.

The new Dura-Ace derailleur is working very sweet - as are the new shoes and new Dura-Ace chain. The gears are shifting nice and my legs are free to spin unencumbered by bits of frame or derailleurs getting in the way. I found that I didn't use the steering brake very often - only when riding on a canted shoulder - it's convenient to set your angle and lock in it place because the canted road wants to tilt the trike which results in a constant turn. The other time I found myself using the steering lock was when I was moving down a hill at fast speed and going over bumps. If you don't lock-out the steering, then a rear wheel lift can cause bump steer - that's where the weight of the trike on two wheels wants to suddenly turn the pivot. At high speeds, even a slight bump steer can be unnerving! I found that most of the time today I was riding with my arms folded across my chest for lack of any other place to place them. Even speeding down hills I found that I could fold my arms and simply steer by tilting me head ever so slightly to the right to veer right, or left to veer left - that's really all it takes when you are moving fast.

I got blasted in the face pretty bad with dirt and mud and wet snow. I really need to cover the spinning wheel between my legs. My plan is to wait until work starts on the carbon fairing because I was going to build a carbon wheel cover for it at the same time, but I may have to do sooner - perhaps a good carbon learning project.

Tomorrow I'll get at those missing gussets and maybe pick up a left disc brake and install it. I should get working on a new handle bar soon - this one doesn't really fit my hands properly and as I just indicated, my arms don't do very much and they need someplace just to hang and enjoy the ride. The weather is supposed to improve starting tomorrow so I will try to get out every day to log some more miles. Also on the agenda is learning to use my new copy of SolidWorks. I'm working my way through the tutorials now. When I'm all learned up on it, I'll start final work on the fairing model .


TO DO LIST:

1. Buy and install right brake
2. Invent new cable tensioner to allow more steering bar turn radius
3. Add front derailleur
4. Order 20mm axle bolts for the rear wheels (I'm using 1/2 inch now which isn't right)
5. Design and machine 2 seat mounts out of aluminum to replace current steel ones (e-machineshop.com) LATER.
6. Design and machine 2 steering tensioners out of alum to replace LATER
7. Order a new front wheel! (Helen is kind of upset that I am user her Zipp race wheel!)
8. Start work on the first fairing
9. Invent steering stiffener
10. Add larger chain ring and modify chain stays
11. Make clamp-on out riggers and try to flip it
12. Fabricate new steering bar (aluminum or composite?) or rework existing
13. Lathe an aluminum collar for .5" hub axles.
14. Design and build a trainer to fit mag trainer.
15. Replace steel cables with Kevlar
16. Crotch guard / fender
17. Narrow chain stays to allow foot to clear
18. fix derailleur
19. crank hitting chain stay
20. chain stay frame flex?
21. Narrow, high density foam for seat
22. Make front quickrelease safety

TOTAL distance on TCR1
243.6 km


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