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Search: Posts Made By: Hermes
Showing results 1 to 50 of 55
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Forum: "The 33"-Road Bike Racing
12-30-21, 08:31 PM
Replies: 936
Views: 226,066
Posted By Hermes

The top of the end of the aerobar is allowed to...

The top of the end of the aerobar is allowed to be 10 cm above the “main bar”. The position is standard for a lot of pro / record attempt setups and is UCI legal but may not be faster for individual...
Forum: "The 33"-Road Bike Racing
12-15-21, 12:50 PM
Replies: 936
Views: 226,066
Posted By Hermes

There are a lot of regurgitated comments such as...

There are a lot of regurgitated comments such as hip angle and power output. Hip angle is set initially in the studio based upon flexibility tests. ERO set my hip angle at the same position as most...
Forum: "The 33"-Road Bike Racing
12-15-21, 09:18 AM
Replies: 936
Views: 226,066
Posted By Hermes

Well, there is a lot to like in the photo. ...

Well, there is a lot to like in the photo. Personally, I could not see very far ahead with the head position unless you have X-ray vision through your forehead.:D In all the TT courses, I have...
Forum: "The 33"-Road Bike Racing
08-23-21, 01:38 PM
Replies: 936
Views: 226,066
Posted By Hermes

burnthesheep You may need this to monitor...

burnthesheep You may need this to monitor changing Rho and weather conditions....
Forum: "The 33"-Road Bike Racing
08-23-21, 09:28 AM
Replies: 936
Views: 226,066
Posted By Hermes

I am somewhat sensitive to cadence when racing...

I am somewhat sensitive to cadence when racing (especially when fatigued at the end of the race) and find that even a 54/44 11/23 10 speed setup is not close spaced enough for a flat course. We used...
Forum: "The 33"-Road Bike Racing
06-17-21, 06:37 PM
Replies: 936
Views: 226,066
Posted By Hermes

I have a NoPinz and like it a lot.

I have a NoPinz and like it a lot.
Forum: "The 33"-Road Bike Racing
05-27-21, 08:26 AM
Replies: 936
Views: 226,066
Posted By Hermes

Kudos to early adopters. burnthesheep go for it....

Kudos to early adopters. burnthesheep go for it.

When Velo Sports Center announced that they had planned aero testing services at Carson, I immediately asked to be a beta tester. Their system...
Forum: "The 33"-Road Bike Racing
04-14-21, 08:46 AM
Replies: 936
Views: 226,066
Posted By Hermes

A lot has to do with the wind and your speed...

A lot has to do with the wind and your speed control. My wife and I do TTT all the time and she can ride at 25 mph on her TT bike. And she has a tiny CdA for her power. While her power is...
Forum: "The 33"-Road Bike Racing
04-02-21, 09:21 AM
Replies: 936
Views: 226,066
Posted By Hermes

I think BTS is referring to CdA calculation....

I think BTS is referring to CdA calculation. Accurate speed is required/essential.

With respect to training and racing, power is ones currency to buy speed. Racing is all about speed. Hence more...
Forum: "The 33"-Road Bike Racing
03-24-21, 07:39 AM
Replies: 936
Views: 226,066
Posted By Hermes

My wife and I have about 9 hours of testing at...

My wife and I have about 9 hours of testing at Velo Sports Center using ERO software and electronics to generate instantaneous CdA as we ride around the indoor track. Plus ERO does an in studio Retul...
Forum: "The 33"-Road Bike Racing
03-15-21, 09:38 AM
Replies: 936
Views: 226,066
Posted By Hermes

I thought it was a great selfie that took the...

I thought it was a great selfie that took the classic garage door pic to the next level. The angle showing BTS and the bike against the sky is very cool.

And I thought of the 50s Superman TV...
Forum: "The 33"-Road Bike Racing
03-11-21, 10:51 AM
Replies: 936
Views: 226,066
Posted By Hermes

Did you buy the fast legs option?:D

Did you buy the fast legs option?:D
Forum: "The 33"-Road Bike Racing
02-22-21, 09:53 AM
Replies: 936
Views: 226,066
Posted By Hermes

The most affordable way to get electronic...

The most affordable way to get electronic shifting on a TT bike is installed from the factory as an OEM accessory. Buying the frame and building it up is more expensive but IMO, a better solution...
Forum: "The 33"-Road Bike Racing
02-22-21, 09:40 AM
Replies: 936
Views: 226,066
Posted By Hermes

I do not completely understand your first...

I do not completely understand your first sentence.

I do not have Di2 on my TT bike but wish I did. My motive would be it is bad ass and super cool.:D

My wife has electronic shifting on all...
Forum: "The 33"-Road Bike Racing
02-02-21, 03:13 PM
Replies: 936
Views: 226,066
Posted By Hermes

I usually ride skin suits at the track even for...

I usually ride skin suits at the track even for training so old skin suits just stretch out and finally get thrown away.
Forum: "The 33"-Road Bike Racing
02-02-21, 09:48 AM
Replies: 936
Views: 226,066
Posted By Hermes

I do not know of any convention. An old school...

I do not know of any convention. An old school theory was if your shoulders were wider, it was faster to have the pads and hands farther apart to allow the air to split. If you are more of an...
Forum: "The 33"-Road Bike Racing
02-01-21, 03:59 PM
Replies: 936
Views: 226,066
Posted By Hermes

Putting ones arms close together causes the head...

Putting ones arms close together causes the head to pop up. Generally, racers benefit from wider arms and a lower head position but a few can ride with very narrow arms and a perfectly turtled head....
Forum: "The 33"-Road Bike Racing
01-29-21, 12:38 PM
Replies: 936
Views: 226,066
Posted By Hermes

Maybe need Loctite on the BB. However, it needs...

Maybe need Loctite on the BB. However, it needs to be the correct strength and I have my LBS do that selection.
Forum: "The 33"-Road Bike Racing
01-21-21, 08:54 AM
Replies: 936
Views: 226,066
Posted By Hermes

3 days of skiing and 28k of vertical feet. My...

3 days of skiing and 28k of vertical feet. My legs are uncommitted this morning and refuse to forecast how much skiing they have in them. They are in their UPOD mode - under promise over deliver. ...
Forum: "The 33"-Road Bike Racing
12-08-20, 06:16 PM
Replies: 936
Views: 226,066
Posted By Hermes

FWIW, when we lived in NorCal, there was a time...

FWIW, when we lived in NorCal, there was a time trial practice series consisting of 4 to 5 races per season on a Saturday morning. The TT course was an out and back 400 feet of total climbing 9.7...
Forum: "The 33"-Road Bike Racing
11-28-20, 03:40 PM
Replies: 936
Views: 226,066
Posted By Hermes

My wife and I have Nopinz too. They were popular...

My wife and I have Nopinz too. They were popular choices at record attempts at Aguascalientes
Forum: "The 33"-Road Bike Racing
09-25-20, 02:39 PM
Replies: 936
Views: 226,066
Posted By Hermes

The hardest ride is flat so I would go flat with...

The hardest ride is flat so I would go flat with rougher road but let some air out of the tires assuming no potholes. For me, I do not like the feel of softer tires even if that is faster but I get...
Forum: "The 33"-Road Bike Racing
09-10-20, 10:23 AM
Replies: 936
Views: 226,066
Posted By Hermes

Amen. Rent a bike at RH. I did not read the...

Amen. Rent a bike at RH. I did not read the rules but I suspect there is a certification process that has to take place much like Carson.

I got on a roll and provided more info than is necessary...
Forum: "The 33"-Road Bike Racing
09-10-20, 10:03 AM
Replies: 936
Views: 226,066
Posted By Hermes

As I recall, Rock Hill is 250 meter outdoor...

As I recall, Rock Hill is 250 meter outdoor concrete track with 45 degree banking. Your TT bike would be okay for pursuit in the pole lane and probably accommodate a couple of gear changes. ...
Forum: "The 33"-Road Bike Racing
09-10-20, 08:51 AM
Replies: 936
Views: 226,066
Posted By Hermes

Zipp has a conversion for its rear discs to go...

Zipp has a conversion for its rear discs to go from fixed gear to freewheel cassette. I have it. I convert the rear disc from road to track and use it on my track bike. I am not sure about HED...
Forum: "The 33"-Road Bike Racing
09-04-20, 03:10 PM
Replies: 936
Views: 226,066
Posted By Hermes

TMonk The other consideration for aerobars is...

TMonk The other consideration for aerobars is having the bullhorns well below the pads. You do not want the bull horns at the same elevation as the pads for pursuit. In pursuit, the start is...
Forum: "The 33"-Road Bike Racing
09-04-20, 02:57 PM
Replies: 936
Views: 226,066
Posted By Hermes

I do not think there is a rule of thumb answer to...

I do not think there is a rule of thumb answer to your question. And setup questions for TT and pursuit for USAC / UCI are different than triathlon.

To give you an idea of how ridiculous UCI...
Forum: "The 33"-Road Bike Racing
07-31-20, 12:49 PM
Replies: 936
Views: 226,066
Posted By Hermes

With respect to more versus less seat to bar drop...

With respect to more versus less seat to bar drop and hip angle, it is important to accurately test different positions. In practice, there may not be much, if any, difference in CdA between the two...
Forum: "The 33"-Road Bike Racing
07-31-20, 12:35 PM
Replies: 936
Views: 226,066
Posted By Hermes

If I suspect your seat could go a little higher...

If I suspect your seat could go a little higher but it looks okay in the video. When I did my fit with ERO in conjunction with aero testing, Manton raised my seat a lot. Time trial specialists do...
Forum: "The 33"-Road Bike Racing
07-30-20, 12:20 PM
Replies: 936
Views: 226,066
Posted By Hermes

Run the calculation on increased friction due to...

Run the calculation on increased friction due to chain bending around different cassettes. It is significant. Hour record set up with big big. At least a 15t rear cassette
Forum: "The 33"-Road Bike Racing
07-07-20, 11:27 AM
Replies: 936
Views: 226,066
Posted By Hermes

Gluing is more about it being tedious and time...

Gluing is more about it being tedious and time consuming than having a high skill component. Layers of glue and stretching tires on rims work better than one fat layer of glue on an un-stretched...
Forum: "The 33"-Road Bike Racing
03-05-20, 10:08 AM
Replies: 936
Views: 226,066
Posted By Hermes

Hydration during a longer ITT is very individual....

Hydration during a longer ITT is very individual. It is difficult to measure the drag effect of carrying water in a bottle due to the impact of the rider although you could try a coast down test. As...
Forum: "The 33"-Road Bike Racing
02-15-20, 06:56 PM
Replies: 936
Views: 226,066
Posted By Hermes

BTS, I am not sure that I fully understand. Do...

BTS, I am not sure that I fully understand. Do you use the Stages on the TT bike indoor and outdoor or do you use the Stages on the TT bike outdoors but Cycleops power inside?
Forum: "The 33"-Road Bike Racing
01-31-20, 09:37 AM
Replies: 936
Views: 226,066
Posted By Hermes

A note about the the head and head position. A...

A note about the the head and head position. A sphere has a lousy coefficient of drag - approximately .5. Over the years, to improve the Cd of the human head (and protect it), time trial helmet...
Forum: "The 33"-Road Bike Racing
01-31-20, 09:23 AM
Replies: 936
Views: 226,066
Posted By Hermes

FWIW, I am 6' tall with long legs and arms. I...

FWIW, I am 6' tall with long legs and arms. I use 172.5 mm cranks on my road bike and 165 mm cranks on my track pursuit bike. Currently, I have 172.5 cranks on my TT bike but plan to change them to...
Forum: "The 33"-Road Bike Racing
01-27-20, 08:51 AM
Replies: 936
Views: 226,066
Posted By Hermes

Steps to setup - some ideas. 1. UCI...

Steps to setup - some ideas.

1. UCI compliance or not. And you are allowed one morphological exception. I think this has been discussed in previous posts in this thread.

2. Knee tracking. ...
Forum: "The 33"-Road Bike Racing
01-22-20, 02:57 PM
Replies: 936
Views: 226,066
Posted By Hermes

Here is what I found to be true for me and wheels...

Here is what I found to be true for me and wheels in the wind. A rear disc stabilizes the bike to a point but a large gust will play havoc with a rear disc.

The front wheel is the key to managing...
Forum: "The 33"-Road Bike Racing
12-13-19, 02:23 PM
Replies: 936
Views: 226,066
Posted By Hermes

I would not lop off any more. At masters road...

I would not lop off any more. At masters road nationals this year, USAC did not do a bike check. I had my wife's bike checked in case she set a new national record but I knew the bike was in...
Forum: "The 33"-Road Bike Racing
11-03-19, 07:39 PM
Replies: 936
Views: 226,066
Posted By Hermes

Okay. UCI rule is the tip of the aerobars can be...

Okay. UCI rule is the tip of the aerobars can be 10 cm above the pads. BtS, yours looks like a lot more.

So let's assume you never do a UCI rule enforced race. I am not sure that is a very fast...
Forum: "The 33"-Road Bike Racing
06-18-19, 09:14 AM
Replies: 936
Views: 226,066
Posted By Hermes

ERO / Jim Manton is a great service for fitting...

ERO / Jim Manton is a great service for fitting and testing. My wife and I have over 12 hours of testing. It is different from tunnel testing in that one has to ride several laps per test to get a...
Forum: "The 33"-Road Bike Racing
06-14-19, 11:01 PM
Replies: 936
Views: 226,066
Posted By Hermes

After Bend, she won Salt Lake City and the...

After Bend, she won Salt Lake City and the Winston Salem, NC masters road nationals in back to back years.
Forum: "The 33"-Road Bike Racing
06-14-19, 08:39 AM
Replies: 936
Views: 226,066
Posted By Hermes

:lol: I suggest that there are some cone turn...

:lol: I suggest that there are some cone turn arounds where one would want the time trial bike to turn on a dime. For example, Bend, OR hosted the masters nationals and the 20K TT turn around was on...
Forum: "The 33"-Road Bike Racing
06-11-19, 10:35 PM
Replies: 936
Views: 226,066
Posted By Hermes

I have owned the HED 3c and Zipp disc since 2008...

I have owned the HED 3c and Zipp disc since 2008 and raced the combo at the track at VSC, Hellyer and for road time trials. I think that combo is the fastest setup for most wind conditions. For...
Forum: "The 33"-Road Bike Racing
06-11-19, 02:03 PM
Replies: 936
Views: 226,066
Posted By Hermes

My older 19mm HED tri spoke wheels take 19 or 20...

My older 19mm HED tri spoke wheels take 19 or 20 mm tires. If you have a wider, newer rim, it will probably require 21 to 23 mm tires.
Forum: "The 33"-Road Bike Racing
06-07-19, 11:34 AM
Replies: 936
Views: 226,066
Posted By Hermes

I have a NoPinz without the pouch. I did not...

I have a NoPinz without the pouch. I did not want anything in the airstream. I glue / pin on the number much lower than NoPinz places it. I tested the NoPinz v my standard club skinsuit and there...
Forum: "The 33"-Road Bike Racing
06-04-19, 11:12 AM
Replies: 936
Views: 226,066
Posted By Hermes

A little dated but interesting comparison of...

A little dated but interesting comparison of speed suits. https://www.cyclingweekly.com/group-tests/best-skinsuits-for-cycling-360975
Forum: "The 33"-Road Bike Racing
05-22-19, 08:45 AM
Replies: 936
Views: 226,066
Posted By Hermes

UCI compliance for equipment is easy. Buy UCI...

UCI compliance for equipment is easy. Buy UCI compliant components and go to a fitter who knows how to set up the bike. What is hard is developing strength and adaptation in the UCI position that...
Forum: "The 33"-Road Bike Racing
05-14-19, 10:10 AM
Replies: 936
Views: 226,066
Posted By Hermes

burnthesheep You position on the bike looks...

burnthesheep You position on the bike looks excellent and better than most that I see. I would check your camera angle on the front view. It looks like it might be a tad low thus giving the...
Forum: "The 33"-Road Bike Racing
05-10-19, 10:53 AM
Replies: 936
Views: 226,066
Posted By Hermes

burnthesheep I think you mean .004 for the Crr. ...

burnthesheep I think you mean .004 for the Crr. Check this out https://www.bicyclerollingresistance.com

IMO, I would not focus on wattage per se in self evaluation on the TT bike. Speed is...
Forum: "The 33"-Road Bike Racing
03-06-19, 02:22 PM
Replies: 936
Views: 226,066
Posted By Hermes

What is the power meter situation on the above...

What is the power meter situation on the above rides? Are you swapping your stages between bikes or have different PMs? Stages PMs are what they are. I believe your time seems about right for the...
Showing results 1 to 50 of 55
 
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