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John Lyon's Avatar
 
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Quote:
Originally Posted by SergioK View Post
No, not all the metal in a cat is platinum.
I sat next to a guy working on hydrogen cells a fews weeks ago at a football game (which is where I get all my best information). He said they've replaced a platinum catalyst with a fine fabric made by W.L. Gore (like goretex). Strange.

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2000 R1100S (retired)
Old 10-04-2008, 12:09 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #61 (permalink)
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Originally Posted by RoLoo View Post
....and you can see this emptiness ; closing the throttle at around 7000 RPM gives a nice bang, together with a nice pair of 30 centimeters long blue flames... (
Ah! the merits of that backfire long forgotten thing (my full HPE does this across the ...erm...whole rpm spectrum).

All in all (soundtrack apart) was it worthy? what about remapping that RB1 thing of yours?
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R12S, black, ex Ohlins (now WP), full HPE, RB3
Old 10-04-2008, 10:41 PM
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Quote:
Originally Posted by peter f View Post

All in all (soundtrack apart) was it worthy?
what about remapping that RB1 thing of yours?

…oops…


…I never gave a reply…



…but it’s (a big) ‘yes’
…this trouble of letting the cat out, was truly worth it…
…sooooo much smooth mid range torque/power now…

…and none of the typical R12S throttle hesitation around 4000 RPM anymore…
…different bike now…

…it was already different with the (stock) RB1…
…after that with the remapped RB even better…
…and it is now (engine wise) close to perfect (for me)…

…next spring I will have the S on the dyno again, for further RapidBike improvements…
…it smells as if the bike runs a bit rich in the mid range now…

…but ; some sort of winter now over here…
…wet, cold, and salty roads…




.
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Ron.

R1200S + R1200RT

Last edited by RoLoo; 12-05-2008 at 06:24 AM..
Old 12-05-2008, 04:35 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #63 (permalink)
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Originally Posted by wswartzwel View Post
Um ... a hammer and a big punch poked up the tail pipe, will shatter that stuff... then pour it out. no dremel needed.
How will the resulting empty chamber affect the flow? Does anyone know? Does the cat on the HP2S act as a first silencer as on the 11S? Answers, you can't stand the answers! You want me on that wall! You need me on that wall! Sorry I had a flashback to "A Few Good Men"
Old 12-05-2008, 05:19 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #64 (permalink)
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...you basically add another expansion chamber... the question remains "Is it in the right spot"?

According to Ron, it seems to be positive, rather than negative... in the end, you add flow which is good to some extend... being that he still has the original exhaust, there still is enough back pressure to retain a good torque band, actually adding to it in some areas...

The dyno will tell the true story...
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Old 12-05-2008, 05:38 AM
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Quote:
Originally Posted by Nail24 View Post
Originally Posted by wswartzwel
Um ... a hammer and a big punch poked up the tail pipe, will shatter that stuff... then pour it out. no dremel needed.
How will the resulting empty chamber affect the flow? Does anyone know? Does the cat on the HP2S act as a first silencer as on the 11S? Answers, you can't stand the answers! You want me on that wall! You need me on that wall! Sorry I had a flashback to "A Few Good Men"
After seeing RoLoos apart.... The Hammer/punch method won't work... the cat is not ceramic
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2002 R1100S Prep/ 2024 Tenere 700
Old 12-05-2008, 05:38 AM
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Crap! Nothing is easy any more, Bill

I just looked at the replacement cost if you screw up the OEM system.

It's $1,866.11!!!!!!

Last edited by Guest24; 12-05-2008 at 05:44 AM..
Old 12-05-2008, 05:41 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #67 (permalink)
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Quote:
Originally Posted by signit98 View Post

According to Ron, it seems to be positive, rather than negative... in the end, you add flow which is good to some extend... being that he still has the original exhaust, there still is enough back pressure to retain a good torque band, actually adding to it in some areas...

The dyno will tell the true story...
...of course, with a set of custom made pipes maybe the flow, and pressure could be better...

...on the other hand, Laser once made a set of very fine pipes for the R12S Van Harten Racer...
...way different from the 'stock' cat-less headers we know from Laser...

...some time later Van Harten swapped those pipes for a full (stock Ti) Akra set, and the bike performed better...




...but removing the cat from my stock pipes, already gave a massive improvement...


...and ASAP (next spring or so) I will post my old & new dyno results...




...btw Ralf ; I don't have the original exhaust...
...Lasers these days, remember...
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R1200S + R1200RT

Last edited by RoLoo; 01-27-2009 at 09:26 AM..
Old 12-05-2008, 05:50 AM
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...I hardly remember my name these days, Ron... let alone what you did with your pipes
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Old 12-05-2008, 06:00 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #69 (permalink)
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Quote:
Originally Posted by signit98 View Post

...I hardly remember my name these days...
...dont worry Ralf, we can hand you a solution for every problem...







.
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Have a nice day !
Ron.

R1200S + R1200RT

Last edited by RoLoo; 12-05-2008 at 08:28 AM..
Old 12-05-2008, 06:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #70 (permalink)
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Quote:
Originally Posted by signit98 View Post

According to Ron, it seems to be positive, rather than negative

The dyno will tell the true story...
...tomorrow, in the afternoon (Wednesday), the dyno will tell the story...

...just made the appointment a few minutes ago...



...and as soon as the results are in ; I will post them...
...it's a 375 mile trip, so I think it will be Thursday, before I can post the new numbers...


... ...
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R1200S + R1200RT
Old 03-17-2009, 02:20 AM
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A nice trip!

Quote:
Originally Posted by RoLoo View Post
...tomorrow, in the afternoon (Wednesday), the dyno will tell the story...
...just made the appointment a few minutes ago...
...and as soon as the results are in ; I will post them...

...it's a 375 mile trip, so I think it will be Thursday, before I can post the new numbers...
... ...
Greetings Roloo,

That is a short trip considering the benefits.


*It is to one of the best tuners in the world Ruud Fredereks!
*The trip back will be faster and smoother!


Enjoy the trip!
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LASER Engineering Exhaust Systems
RapidBike USA
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Old 03-17-2009, 06:00 AM
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Originally Posted by boxercup View Post

Greetings Roloo,

That is a short trip considering the benefits.


*It is to one of the best tuners in the world Ruud Frederiks!
*The trip back will be faster and smoother!


Enjoy the trip!
...thanx Robert !...
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R1200S + R1200RT
Old 03-17-2009, 06:50 AM
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I won't spoil everything for Ron, but holy cow, I never thought an almost stock 12S had that many horses hiding in that motor somewhere. Something like a peak of 144 horsies at the crank is quite impressive, especially 2 feet away from the business end of a pair of open Laser pipes as it bounces of the limiter.
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Old 03-18-2009, 01:57 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #74 (permalink)
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...something like this...

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Ron.

R1200S + R1200RT
Old 03-18-2009, 02:04 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #75 (permalink)
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Thumbs up They are There!

Greetings TM,

They are there all right...

You just have to feed them correctly after you remove the pumping losses from the restrictive intake and exhaust!

EU 3 and the EPA regulations strangle engines very well!

Let's just say that Roloo set them free at the hands of a good performance plan and a good tuner... a very good tuner! Ruud is one of the best!

Although you report excellent WOT readings - you would be surprised if you noted the A-B difference @ 30 - 50 - 75% throttle. Would be just as impressive!

I am happy for Roloo! He seems like a goed BMW persoon!

Goedenacht TM!
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Cheers,

Robert Foster

FOSTER RAD
LASER Engineering Exhaust Systems
RapidBike USA
Oakland Gardens, NY
Robert@FosterRAD.com
718-468-4680

Do not go where the path may lead, go instead where there is no path and leave a trail.
Old 03-18-2009, 02:12 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #76 (permalink)
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Rob, I know, I was there watching the master at work. But I don't want to give everything away, it is Ron's party after all.
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BMW R1100S 'Bumble Bee' | HyperPro 3D F&R | motoyoyo clamps | Staintune | some other bits
BMW K1200S 'tri-color ICBM' | WP ESA rebuild to specifications | lots of other bits

http://www.sport-touring.eu | http://eurotravel.photos
Old 03-18-2009, 02:20 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #77 (permalink)
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BMW Roundel Nog wakker Roloo

Greetings Roloo,

Nog wakker?

Geluk voorkomt slapen?

We wachten op je verhaal!

Goede dromen met het voorwiel in de lucht!

Goedenacht!
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Cheers,

Robert Foster

FOSTER RAD
LASER Engineering Exhaust Systems
RapidBike USA
Oakland Gardens, NY
Robert@FosterRAD.com
718-468-4680

Do not go where the path may lead, go instead where there is no path and leave a trail.
Old 03-18-2009, 02:23 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #78 (permalink)
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Thumbs up Hij vertelt zijn verhaal!

Quote:
Originally Posted by throttlemeister View Post
Rob, I know, I was there watching the master at work. But I don't want to give everything away, it is Ron's party after all.
TM,

Ja laat hem vertellen....
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Robert Foster

FOSTER RAD
LASER Engineering Exhaust Systems
RapidBike USA
Oakland Gardens, NY
Robert@FosterRAD.com
718-468-4680

Do not go where the path may lead, go instead where there is no path and leave a trail.
Old 03-18-2009, 02:27 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #79 (permalink)
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...Goodmorning all ! (and for our new Dutch guy Robert : Goedemorgen allemaal ! )...

...will post a thing or two this evening ; first another day 'at work'...

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Have a nice day !
Ron.

R1200S + R1200RT
Old 03-18-2009, 10:56 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #80 (permalink)
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