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Search: Posts Made By: robtharalson
Forum: The perfect line and other riding myths 10-03-2009, 08:38 AM
Replies: 36
Views: 2,390
Posted By robtharalson
The last time I was on the track I was testing a...

The last time I was on the track I was testing a comm system to talk to the pits during a race. It was voice activated for as transparent use, as it turned out there were only three stretches of...
Forum: The perfect line and other riding myths 09-29-2009, 12:21 PM
Replies: 65
Views: 4,261
Posted By robtharalson
You speak, I listen.

Thanks to all for the feedback and support, especially BobbySands (sending PM).

The "horns", otherwise known as field surgical instruments, have gone the way of the Edsel, at least from a retail...
Forum: The perfect line and other riding myths 09-28-2009, 04:30 PM
Replies: 65
Views: 4,261
Posted By robtharalson
I have used those bars for lightweight...

I have used those bars for lightweight roadracing, but they had to be modified for less frontal area. I agree they are very adjustable within limits. BTW, they are Brevetatto bars, and pretty hard to...
Forum: The perfect line and other riding myths 09-28-2009, 11:03 AM
Replies: 65
Views: 4,261
Posted By robtharalson
When visiting a friend's place a while back, I...

When visiting a friend's place a while back, I saw a huge collection of handlebars hung up on a wall in his garage. When I asked him about this he said "That's my search for handlebars that actually...
Forum: The Garage 09-26-2009, 05:23 PM
Replies: 15
Views: 1,142
Posted By robtharalson
Duh!

Find the low point of each header and drill an 1/8" hole there -- preferably where it would not be too visible.

Of course the tractor stack covers would work as well, with the added bonus of...
Forum: The Garage 09-24-2009, 10:20 PM
Replies: 63
Views: 7,277
Posted By robtharalson
The warm it up versus start it and go debate has...

The warm it up versus start it and go debate has been raging since about two days after I.C. engines were invented.

Ignoring old technology, let's examine the average components in a modern...
Forum: The perfect line and other riding myths 09-24-2009, 11:52 AM
Replies: 65
Views: 4,261
Posted By robtharalson
This is my last comment on the welds. Now...

This is my last comment on the welds.
Now your comments make sense. ASME 6010 deals with brazing and welding low to medium pressure tubing, a standard I am familiar with due to being employed as a...
Forum: The perfect line and other riding myths 09-23-2009, 10:57 PM
Replies: 65
Views: 4,261
Posted By robtharalson
Using the bars in post #6 the steering is quick,...

Using the bars in post #6 the steering is quick, but it is balanced by the slightly increased effort. Once under way motorcycles require very little physical movement of the bars / forks to...
Forum: The perfect line and other riding myths 09-23-2009, 02:30 PM
Replies: 65
Views: 4,261
Posted By robtharalson
It was only partially tongue in cheek. I am a...

It was only partially tongue in cheek. I am a mechanical, structural, and electronic engineer, and as such know the value of standards for any manufactured product. Having said that, I must admit...
Forum: The perfect line and other riding myths 09-21-2009, 02:12 PM
Replies: 65
Views: 4,261
Posted By robtharalson
Copper? COPPER??!! I'll have you know it's...

Copper? COPPER??!! I'll have you know it's genuine used Italian bronze sewer pipe straight from the Ducati frame shop. I took the time the factory didn't by cleaning it out first.:rofl
The bars...
Forum: The perfect line and other riding myths 09-20-2009, 07:03 PM
Replies: 65
Views: 4,261
Posted By robtharalson
Obviously this setup isn't for day to day use --...

Obviously this setup isn't for day to day use -- too many downsides, none of which relate to steering, but annoying to say the least.
Nope, my normal setup is quite a bit more sensible:...
Forum: The perfect line and other riding myths 09-19-2009, 04:01 PM
Replies: 65
Views: 4,261
Posted By robtharalson
Handlebar lunatic fringe

Playing around with a set of bars I made a while back I decided to see just how narrow they could be made, so -- here it is. 18.6" to the ends of the grips. The last time I used bars this narrow it...
Forum: The perfect line and other riding myths 12-31-2008, 03:45 PM
Replies: 21
Views: 1,188
Posted By robtharalson
3,400 pounds of tomatoes neatly deposited on the...

3,400 pounds of tomatoes neatly deposited on the road by a huge fiberglass tub that had partially come off a semi's flat trailer, completely covering both lanes of a two lane road to a depth of about...
Forum: The perfect line and other riding myths 12-29-2008, 10:08 PM
Replies: 13
Views: 1,077
Posted By robtharalson
First lesson given in Air Force first aid...

First lesson given in Air Force first aid training: never move an accident victim unless you have full EMT training and all the necessary equipment to do it properly, or not moving them will result...
Forum: The perfect line and other riding myths 12-29-2008, 10:07 AM
Replies: 644
Views: 62,063
Posted By robtharalson
In my 50+ years of riding, and (oh, let's see ......

In my 50+ years of riding, and (oh, let's see ... haven't figured it lately) 38 years of lane sharing on all roads where it is possible I've never had an accident and only a couple of close calls...
Forum: The perfect line and other riding myths 11-14-2008, 10:53 AM
Replies: 302
Views: 55,351
Posted By robtharalson
Goodness, I forgot the 36! Add the 85 mile...

Goodness, I forgot the 36! Add the 85 mile highway 211 down to the coast then back up into the mountains and through Humbolt Redwoods State Park and you have the most scenic trip on the planet.
...
Forum: The perfect line and other riding myths 11-13-2008, 11:30 PM
Replies: 302
Views: 55,351
Posted By robtharalson
------ My short list ----------- California: ...

------ My short list -----------
California:
-Piuma
-Schueren
-Stunt road
-Saddle Peak
-Tuna Canyon -- a one way barrel of monkeys!
-Las Flores
-Latigo Canyon
-Decker Canyon
Forum: The perfect line and other riding myths 11-13-2008, 10:54 PM
Replies: 31
Views: 2,642
Posted By robtharalson
It was explained to me by a CHP motor officer...

It was explained to me by a CHP motor officer that drivers notice two headlights better than one, assuming it's a car. Of course, he is a bit of a joker and when riding side by side he enjoyed...
Forum: The perfect line and other riding myths 11-11-2008, 07:05 PM
Replies: 34
Views: 3,891
Posted By robtharalson
I run canyon riding seminars here in the Malibu...

I run canyon riding seminars here in the Malibu hills, and very little of what I teach involves going fast -- quite the contrary: what I'm doing is giving guidelines and exercises for independent...
Forum: The perfect line and other riding myths 11-10-2008, 07:04 PM
Replies: 109
Views: 7,225
Posted By robtharalson
Since I was four years old I have twisted...

Since I was four years old I have twisted throttles, and in that time I've come to know nothing quite compares to the memory of stopping to see the curvature of the earth from a high mountain pass in...
Forum: The perfect line and other riding myths 11-10-2008, 06:45 PM
Replies: 137
Views: 9,999
Posted By robtharalson
Wherever I ride I always wave at LEO's on bikes...

Wherever I ride I always wave at LEO's on bikes and in cars, and they usually wave back.
This has happened several times as well -- on my commute home I come upon a motor officer on Pacific Coast...
Forum: The perfect line and other riding myths 11-10-2008, 12:42 PM
Replies: 29
Views: 6,121
Posted By robtharalson
January of 2007 I dislocated my left shoulder in...

January of 2007 I dislocated my left shoulder in a hiking / rock climbing fall so badly the head of the Humerus was wedged under the collarbone. That was a most unpleasant hike 1/2 mile back to the...
Forum: The perfect line and other riding myths 11-08-2008, 07:36 PM
Replies: 26
Views: 1,674
Posted By robtharalson
Exactly. All it takes is to hold the throttle...

Exactly. All it takes is to hold the throttle very lightly (that is for those of us who are throttle lock challenged!) and consciously steer with the left hand only -- it takes some effort at first,...
Forum: Face plant 10-05-2008, 09:47 AM
Replies: 46
Views: 5,905
Posted By robtharalson
Better a ticket than a toe tag. Rob

Better a ticket than a toe tag.

Rob
Forum: The perfect line and other riding myths 10-03-2008, 11:17 PM
Replies: 231
Views: 20,053
Posted By robtharalson
Riding in heavy traffic, and loving it!

My orthopedist said my broken leg was sufficiently healed to return to work mid August, so it was back to the salt mines for me. Ah well -- I was getting used to having the whole day to do as I...
Forum: The perfect line and other riding myths 08-16-2008, 02:41 PM
Replies: 20
Views: 1,332
Posted By robtharalson
A message to all passengers

Riding two up takes practice, and an awareness on the part of the passenger that they must support as much of their weight using the motorcycle rather than the operator. Obviously you must move with...
Forum: Face plant 05-10-2008, 12:42 AM
Replies: 38
Views: 5,548
Posted By robtharalson
Both of your breaks are the result of trying to...

Both of your breaks are the result of trying to catch yourself in the fall. The isolated Fibula fracture is the result of a twisting force transmitted from the foot. In this case the boot protected...
Forum: Face plant 05-08-2008, 12:50 PM
Replies: 51
Views: 5,257
Posted By robtharalson
1st thing -- car acting unpredictably. Alarm...

1st thing -- car acting unpredictably. Alarm bells should go off in your head and you should slow down faster than the car is slowing down. Pass the car only when it becomes clear what the driver is...
Forum: Face plant 05-05-2008, 10:20 PM
Replies: 51
Views: 5,257
Posted By robtharalson
Heal well, Phil! Believe me when I say I know...

Heal well, Phil! Believe me when I say I know exactly what you're going through. Different cause (rock climbing fall), similar injuries.
Having said that, and please take this in the spirit in...
Forum: The Garage 04-25-2008, 10:55 PM
Replies: 12
Views: 1,073
Posted By robtharalson
Please tell me you have access to a service...

Please tell me you have access to a service manual! And a digital voltmeter. Without these the task gets considerably more difficult, especially if you are not experienced in elecrtrical...
Forum: The Garage 04-23-2008, 11:27 PM
Replies: 29
Views: 1,658
Posted By robtharalson
And I thought this was going to be difficult! ...

And I thought this was going to be difficult! There is plenty of access. In this case I would first grab the biggest damn hammer I can lay my hands on and fetch the rounded head of the bolt a...
Forum: The Garage 04-23-2008, 10:53 PM
Replies: 12
Views: 2,342
Posted By robtharalson
If as you say the radiator cap goes missing...

If as you say the radiator cap goes missing without great gouts of steaming coolant appearing a couple milliseconds later (I'm sure you would have mentioned that!) the most probable cause is fitting...
Forum: The perfect line and other riding myths 04-19-2008, 07:42 AM
Replies: 108
Views: 5,598
Posted By robtharalson
Look under it. Or around it. There are many...

Look under it. Or around it. There are many tool at your disposal. And even if splitting isn't legal I'd do it in preference to being hit. Better a ticket (though it's doubtful a P.O. would write...
Forum: The perfect line and other riding myths 04-19-2008, 12:28 AM
Replies: 108
Views: 5,598
Posted By robtharalson
Angripe!

SwedishViking:
Obviously we're never going to agree on this subject. All I know is it works for me, and has for the last 30 years. I would, however, not recommend it to anyone else with less...
Forum: The perfect line and other riding myths 04-18-2008, 06:46 PM
Replies: 108
Views: 5,598
Posted By robtharalson
You missed the point -- since you can stop faster...

You missed the point -- since you can stop faster than the car behind you with its inattentive driver, hard braking is generally not a good idea. Flowing past the hard braking car in front of you...
Forum: The Garage 04-16-2008, 11:57 PM
Replies: 15
Views: 1,236
Posted By robtharalson
The clue here is the clock resetting. This means...

The clue here is the clock resetting. This means the system voltage is dropping to under 2 volts, and in your case zero. The click from the starter is the tiny amount of rotation before the power...
Forum: The Garage 04-16-2008, 11:22 PM
Replies: 619
Views: 51,446
Posted By robtharalson
With a 105 mile a day commute I was looking for...

With a 105 mile a day commute I was looking for the best way to keep the chain lubricated without a lot of bother, so I installed a Scottoiler and run the cheapest 10W - 40 oil from a 99 cent store...
Forum: The perfect line and other riding myths 04-16-2008, 10:58 PM
Replies: 44
Views: 6,597
Posted By robtharalson
At least in my case the pain between the shoulder...

At least in my case the pain between the shoulder blades was the intrascapular muscles trying to pull the shoulder blades together due to the shoulders being too far back, too straight arms, too much...
Forum: The perfect line and other riding myths 04-16-2008, 10:37 PM
Replies: 27
Views: 1,778
Posted By robtharalson
When I was first contemplating going roadracing a...

When I was first contemplating going roadracing a very experienced racer gave me a piece of advice that has served me well ever since: take the first 6 months of a judo class. All you do for that...
Forum: The Garage 04-16-2008, 09:03 AM
Replies: 11
Views: 2,670
Posted By robtharalson
In my many years of riding and working on...

In my many years of riding and working on motorcycle braking systems, Brembo calipers have proven to be marvelous in design, but somewhat spotty in manufacture and metallurgy. Their top of the line...
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