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Old 02-24-2010, 01:59 PM   #1
maxgs
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Custom brake lines - sources?

Folks,
I'm looking for a source of custom brake lines. I need something fabricated that will have unusual fittings and be a very non standard size. I tried to get HEL on the phone, but no luck. Are there any companies you have experience with that you can recommend?

-Curt
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Old 02-24-2010, 02:30 PM   #2
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curt, our endurance bikelast year had custom brake lines made. what exactly r u needing help with?
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Old 02-24-2010, 03:10 PM   #3
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I got it figured out. Speigler USA was incredibly helpful. I needed a 70 degree banjo fitting on one side and a 1/8 inch npt female on the other with 12 inches of brake line separating them. Very good guys. They spent quite a bit of time walking me through what I needed and various options.
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Old 02-24-2010, 03:17 PM   #4
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good stuff, but i was of no help! LOL Just curious why you need that?
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Old 02-24-2010, 03:28 PM   #5
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I'm upgrading the data acquisition on the bike. I'm previous years you could see when I was on the front brake or not on it, that's called a 'brake event' sensor. I'm upgrading to a brake pressure sensor so you can see how hard you are on the brakes. Since we all trail brake to the apex, it will be a lot more informative.

Next step is a set of linear potentiometers to monitor front and rear suspension. I can't quite figure out how to mount the rear linear pot. I have examples of the front from some close up pics of rossi's bike. But the rear is tricky if you want to measure the exact motion of the rear shock.
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Old 02-24-2010, 03:35 PM   #6
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^^^ this guy!
Curt, watching your videos is like watching a video game. Very awesome, and even to a track virgin like myself, I feel as though I have gleaned a thing or two from watching your vids
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Old 02-24-2010, 03:40 PM   #7
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Curt that is really good info. I wish i had the money to get some data on myself like that. I would however be interested in some of the faster guys data with video. I would like to study that in an attempt to help improve at some of the tracks. I know if wont help bc I wont have the data on me, but while watching the video I can tell where I brake and about where I get off the brakes at. I would be curious to see what Gabe or whoever you are getting data from is doing these things at. You can pm me if it is top secret

thanks
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Old 02-25-2010, 06:48 PM   #8
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Curt,

check out this months version of Roadracing world. There's a very detailed article by Chip Yates on how they set up their data aq. Especially for the linear pots. I even email him asking him a question and he emailed back the same day!
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Old 02-25-2010, 07:41 PM   #9
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Quote:
Originally Posted by NMEXPAT View Post
Curt,

check out this months version of Roadracing world. There's a very detailed article by Chip Yates on how they set up their data aq. Especially for the linear pots. I even email him asking him a question and he emailed back the same day!
Outstanding, thank you! The mount for the linear pot on the rear shock has me stumped!

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Old 02-25-2010, 08:11 PM   #10
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Jeebus Curt...you never cease to amaze me
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Old 02-25-2010, 09:16 PM   #11
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Here's how Chip has his linear pot mounted on his rear shock...

Custom brake lines - sources?

Custom brake lines - sources?
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Old 02-25-2010, 09:41 PM   #12
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pretty darn amazing
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Old 02-27-2010, 11:58 AM   #13
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looks like u got it figured out, but there is a guy in old town katy that i have used. he has made me some "custom" lines before, very reasonable price and great quality....made them up while i waited, and he is dot certified. dont have his contact info handy, but can get it if someone is interested
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Old 02-27-2010, 01:10 PM   #14
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Curt, are U being a geek again, but at least U are a fast geek
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Old 02-27-2010, 10:01 PM   #15
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Speigler USA does a great job!
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Old 03-04-2010, 08:34 PM   #16
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Received my custom line yesterday and the new pressure sensor.... all installed and configured. Woo hoo. The line is a little usual... it swivels on one end. That's kind of nice.

Initial data acquisition shows the following brake pressures... I typically cover and brake with my index finger. Looks like that typically generates about 350 to 400 psi to the front brakes. Index and ring finger generates 650 to 700 psi. That's with a Brembo RCS on the 19x20 setting.

Tomorrow a new throttle position sensor should be here; I'm testing a different type of sensor as I'm getting some feedback through the sensor I use today. Hopefully everything will be up and working by Saturday.

-Curt
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