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Buell Forum » 1125R Superbike Board » 1125R Questions & Answers » Exhaust pipes » Archive through October 29, 2007 « Previous Next »

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Spiderman
Posted on Friday, October 26, 2007 - 01:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Every other manufacturer manages (both OEM & aftermarket) it these days so I can't see why Buell cannot do the same and give us a full stainless system. Micron Hydroform stainless steel all the time.

Micron hydroforms their headers, let's just stick to mufflers, and the very complex shape of the 1125's muffler.

Almost all OEM and after market Japanese cans are round or oval. Not that hard to do with almost any metal.


For one second let's break down what makes steel. Iron and carbon. The more carbon you put into steel the harder it gets, IE brittle. Try bending High carbon steel into a complex shape. ::SNAP::

OK let's break down stainless. Iron, carbon and chromium. Yes chromium is the same stuff used to chrome parts. Ever played with a piece of flaked off chrome? Snaps pretty easy right. Ever heard the phrase Hard as chrome?

For a lack of better words now your stainless is about equivalent to high carbon steel in it's brittleness. That is why Stainless nuts and bolts have low grade of 4 or 5.

SO take said sheet of Stainless and try to hydro form it into this.


While I am sure they could have hydroformed half shapes, and welded them together, this would have weakened the structure and left more welded area that could casue leaks, fatigue and possible failure as opposed to the amount of sheets and welds used now.

Plus do you want the price to go up a few extra hundred dollars for something you may take off anyway : )
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Jaimec
Posted on Friday, October 26, 2007 - 01:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

SOME people will take it off anyway. This is a good way to FORCE people to take it off. As for me, paying a few hundred extra at the beginning is better than paying it REPEATEDLY during my time of ownership and the time lost while the bike is down.
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Rubberdown
Posted on Friday, October 26, 2007 - 02:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That is one weird looking pipe. Please stop the pics. . I want to remember that I liked the bike in person when I was on it, riding.
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Bobup
Posted on Friday, October 26, 2007 - 02:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well put Spidy !

nuf said on this.......put it to rest already.....or not

(Message edited by bobup on October 26, 2007)
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Spiderman
Posted on Friday, October 26, 2007 - 02:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

BTW the coating on this pipe is not the saem on the old XB's

Also this pipe has jack points like the XB
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Jaimec
Posted on Friday, October 26, 2007 - 03:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

All right, I'll hold off complaining until I see how durable the new coating is...
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Reepicheep
Posted on Friday, October 26, 2007 - 04:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

And I just noticed... no straps! That's cool!

Cheaper and one less PITA for overall cost of ownership...
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Ratbuell
Posted on Friday, October 26, 2007 - 05:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It'd be nice if the rear brakeline tab was bolted to the swingarm in the photo bike...LOL.
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Anonymous
Posted on Friday, October 26, 2007 - 05:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here's a contest for the sharpest of the bunch: Name the ten things in spidey's muffler picture that are not production representative (not counting the brake line clamp - d'oh!)

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Spiderman
Posted on Friday, October 26, 2007 - 06:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

LOL guess mine : )
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Donutclub
Posted on Friday, October 26, 2007 - 07:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'll let you know once I get my 1125 in my garage..........second week of November??
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Spectrum
Posted on Saturday, October 27, 2007 - 10:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Name the ten things in spidey's muffler picture that are not production representative

Just my guess


10-things-wrong
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Coal400
Posted on Saturday, October 27, 2007 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't have one yet, but this is as good as I can do... these are my guesses.

Clutch cover (angle of clutch port different too)

Clutch line/hose

The sensor (on case by the lower balance shaft)

The 1125 Logo is different

Rear coil/shock

Fastener on the engine mount/pivot (will be black)

Fastener on the brake pivot (will be black)

Braided cloth cable jacket on wires will be gone.

Heatshield will be different

The exhaust muffler is also be slightly different. I've seen 2 different mufflers on the 1125R so far, not 100% on this on.
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Zac4mac
Posted on Saturday, October 27, 2007 - 12:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Slow start to a Saturday... I'll take a stab







Z
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Jlnance
Posted on Saturday, October 27, 2007 - 07:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Someone asked about the durability of the coating.

I can not speak to coating used on the 1125r muffler as I do not know what it is. However, I've had my XB muffler ceramic coated because it was rusting. This is not ceramic like a flower pot is made of. We had to use a hammer to beat the muffler into place when we put it back on the bike. Not hard, but we were hitting it with a hammer. It did not chip. If they are using a modern ceramic coating on the 1125r muffler, it isn't going to rust.
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Bob_thompson
Posted on Saturday, October 27, 2007 - 08:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks like the old "milspec" finish used on many military weapons as well as many civilian guns. Its very durable and quite rust resistant at least from the outside.
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Diablo1
Posted on Sunday, October 28, 2007 - 09:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"For one second let's break down what makes steel. Iron and carbon. The more carbon you put into steel the harder it gets, IE brittle. Try bending High carbon steel into a complex shape. ::SNAP::

OK let's break down stainless. Iron, carbon and chromium. Yes chromium is the same stuff used to chrome parts. Ever played with a piece of flaked off chrome? Snaps pretty easy right. Ever heard the phrase Hard as chrome?"




Interesting theory, but wrong. There are plenty of stainless steels with very high ductility that allow forming into complex shapes. The likely reason they didn't use SS, is to save money. Stainless is very pricey these days because of alloy costs - nickel is through the roof.
}
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Spiderman
Posted on Sunday, October 28, 2007 - 12:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Not a theory BTW

Yes you can get stainless with high ductility, but! The more ductility you have the less chromium you have, which means the more prone to corrosion the stainless is.

Also, it wasn't said that stainless could not be bent into complex shapes, just that the cost to do so would add too much to the cost of the pipe.
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Diablo1
Posted on Sunday, October 28, 2007 - 02:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)


"Not a theory BTW

Yes you can get stainless with high ductility, but! The more ductility you have the less chromium you have, which means the more prone to corrosion the stainless is."


Give it up Spidey - this is totally wrong. You need 12.5% chromium min to make steel stainless.} Any of the 300 series stainless steels have enough chromium to prevent corrosion and more than 40% elongation. Take a look at your typical SS kitchen sink. Steel is my business for the last 30 years or so.
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Anonymous
Posted on Sunday, October 28, 2007 - 09:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sorry Diablo, but kitchen sinks (!) and underslung highly shaped welded mufflers with a rather warm catalyst do not compare to one another. Lay off the arachnid. He's pretty much correct.
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Diablo1
Posted on Sunday, October 28, 2007 - 10:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sorry Diablo, but kitchen sinks (!) and underslung highly shaped welded mufflers with a rather warm catalyst do not compare to one another. Lay off the arachnid. He's pretty much correct.

Anonymous:
Are you an engineer?
Does BMC have any metallurgists on staff}?
Perhaps you could discuss this with them?
I'd be amazed and shocked if you found a plain carbon sheet steel to make the muffler, but couldn't find a suitable stainless steel.
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Ratbuell
Posted on Sunday, October 28, 2007 - 10:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Anony - sorry about the clamp comment. I have an eye for things like that...they usually pop up after I work on any of my bikes, LOL! Drop it out completely and it's another, what...25g of unsprung weight conquered?

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Anonymous
Posted on Sunday, October 28, 2007 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yep, Buell has some of them thair ainjineers on staif. Purty shore we gots on of thaim meteelargists, tu, nmaybe evn more than one. Being as Pixsburgh was Erik's home town, he ain't to shabby 'round meteels aither. You say that staynuss steel is just as easy to form as mild steel? How long you benn wayrin shues, there, Diablo man?
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Rubberdown
Posted on Monday, October 29, 2007 - 12:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Smart Ass.
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Trojan
Posted on Monday, October 29, 2007 - 05:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Micron have been making Hydroformed exhausts for some time in stainless steel. Here are a couple of their latest offerings for the CBR600RR and R6. Both are fully hydroformed and stainless steel. Not only is it possible but these are not particularly expensive either.







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Crusty
Posted on Monday, October 29, 2007 - 06:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That top pipe reminds me of a leech.
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Killakella
Posted on Monday, October 29, 2007 - 06:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could'nt you make the whole thing out of vacuum formed pre-preg carbon fibre and incorporate a belly pan as well, or would it melt?

Trojan?
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Trojan
Posted on Monday, October 29, 2007 - 09:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Carbon mufflers don't last too long, especially when fitted to big twin cylinder motorcycles. They are susceptible to heat and can become brittle with exposure to intense heat (This is why we don't sell any carbon sleeved pipes for Buells).

Carbon sleeved mufflers still have to have steel internals anyway, so it wouldn't be an easy job to do unfortunately.

It would in theory be possible to make a full carbon muffler/belly pan as given enough time and money you can make anything from carbon these days. The expense would be huge and it would be extremely difficult. It would also be very unlikely that it could be made to comply with all of the noise & emmission regs in force now.
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Killakella
Posted on Monday, October 29, 2007 - 09:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Trojan,

So I suppose we will have to wait for Micron to come up with something.
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Spiderman
Posted on Monday, October 29, 2007 - 10:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Funny, I don't see any rivits on the1125's muffler and those muffs don't look to have cats in them...

Kitchen sinks?!?! Don't even get me started on wall thickness.

I keep trying to compare apples to apples but people keep throwin oranges into the mix.
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