Buell exhaust in swing arm

[kyle_dewald]

I was getting content together for my site and I came across the patent for Erik Buell's exhaust in swingarm. It was actually submitted to the patent office in April of '09 and is registered to Buell Motorcycle Company. So, from what I gather of this, Buell or now "harley" has the rights to this patent and it was in the works to be used on the next gen Buells. Just thought I would share, I know we already knew about it but I'm just wondering about future EBR bike and whether or not they will be able to have them due to Buell Motorcycle Company owing the patent

 

[delta one]

I sure hope not

yuck!

 

[konarider94]

where would the oil go? [confused]

 

[crxtasy169]

Cool concept but the swingarm looks way to bulky.

 

[xtremelow]

What I have read the main reason for the design is to equal the pressure between the tire and tail section since it has a low pressure area on every bike which creates drag and this design would help to eliminate that.

not digging the front cat or muffler but it would make sense if he was able to drop the weight lower or to lessen it.

 

[nativeXb12Rbuell]

.freepatentsonline.com/result= Erik BUELL patents

Erik F. Buell -Patents
/Erik-Buell-Racing---any-hope-for-our-XBs
buellxb.com// EBRs-latest-patent

 

[ArmyMP09]

I do see a problem as in the flex piping will crack over time due to heat and moisture which can cause it to rust. After all my time spent working auto shops over many years flex pipes are always the 1st thing to break in a exhaust system. So that's a area I'd be most concerned with and the swing arm looks massive.

 

[cb750]

Its a nice idea, bit having the exhaust exit right there will cause soot to get all over everything.

 

[Sidewinder]

Looks a bit too complex for an exhaust system. I don't see how this would really save weight and if the oil was still in the swingarm then it would get hot.

 

[WALLSXB]

The diagram is obviously an 1125 and I didn't think the oil was in the swingarm of that model . That mass of the swingarm matches the mass of the side pods perfectly .

 

[buelljek]

I dont think anything is going to hurt the looks of those bikes! 1125r's are like the ugly step child of buell.

 

[andymnelson]

It's a cool idea with some VERY smart minds behind it.

I see 2 reasons for it:
1) as mentioned above, it eliminates (or greatly reduces) the low pressure area behind the bike, an issue that NO ONE has previously addressed successfully. The low pressure causes drag which slows you down and makes the bike less stable. Huge benefits are to be had from reducing this problem.
2) The stock muffler on an XB12 weighs 18.5 pounds. There is already significant mass to the swingarm- enough so that I would think you could design it in a way that barely increases the weight of the swingarm, yet contains the muffler and oil tank. You could stand to lose as much as 15 pounds by integrating the muffler!

Geniuses. I CAN'T WAIT to see what he comes up with next!

 

[vanson1200r]

The Confederate Hellcat uses a exhaust in the swingarm set up but not nearly as complex of the drawings above.

 

[twoguns]

sorry... but ugly design and a failure in my books. concept of exiting exhaust to low pressure area is cool. send it via a simple redirect, but thats too much bulk sitting back there aesthetically for my liking.

 

[WALLSXB]

Am I wrong for thinking the oil IS NOT in the swingarm of the 1125s ? That drawing clearly depicts an 1125 model . [confused]

 

[Jobe Zeebuh]

WoW! Very creative.

 

[Bolty]

Innovative idea but it just doesn't look right.

 

[thunderstormgrowl]

@WALLSXB I also am pretty certain that the oil on the 1125s is no longer in the swing arm, but contained in the motor itself.

I find it amazing that people make fun of the pods on 1125s, wow buell made something that was nontraditional but completely functional, and people make fun of it. I have NEVER heard that before.

Its innovative ideas like the oil in swing arm, under slung exhaust, perimeter brake, that make us love buells, and consequently those are also the areas that have been made fun of the most. This is a drawing, no where near a production part, by the time it got to us, it could have looked completely different.

With a fully stainless flex pipe, it should last a significantly long time, but after X amount of miles everything wears out, this would just need to be a proactive maintenance piece.