| Author | Message | ||
     Taxman |
Erik did an interview for Thekneeslider and i thought it was a pretty nice read. most of the questions focus around the new 1125r but they talk about the company as a whole also. here's a link http://thekneeslider.com/archives/2007/08/03/erik- buell-interview/#more-1516 if this has already been shared, sorry for the repost. | ||
| Lost_in_ohio |
Well I enjoyed the read thx | ||
| Spiderman |
Other than maybe the oil filter or something like that, this is totally new, it’s not used anywhere else. He just zinged Jose LMAO | ||
| Prof_stack |
"Bringing the 1125 in and the dirt bike, I don’t think we need outside dealers so much as we need specialists." Interesting how Erik so calmly mentioned the dirt bike. Nice read, thank. | ||
| Sleez |
thanks, great read. did you see this;http://thekneeslider.com/archives/2007/07/12/desmo harley-italian-american-v-twin-completed/ | ||
| Diablobrian |
Great interview, but I'm still looking forward to Blake's interview, when it's done being transcribed. | ||
| José_quiñones |
Don't feel zinged at all.  How so? He just confirmed what I suspected and the question that had not been answered yet by the anonymouses, it uses a standard ROTAX internal cartridge, the same one used in the Aprilias and Can Am Spyders. It also shares other parts, like for example the stator. It uses the same engine vacumn actuated 'slipper clutch' patented by Rotax and used previously in the Aprilia and Can Am engines. It also uses features previously used in Rotax engines, like the oil tank integrated into the crankcase and the finger follower valve actuation.  Great interview, but the interviewer did not follow up and get more info about the 1st (Barton?) and 2nd watercooled (Revo) Buell attempts that Erik mentioned. (Message edited by josé_quiñones on August 06, 2007) | ||
| Buellshyter |
"....plus we had a lot of help (HD) with airbox and exhaust design to make it completely legal but still sound good" Well, that clarifies where that enormous can came from. | ||
| Lemonchili_x1 |
From the interview: Kneeslider: Yeah, everyone “knows” what you’re going to do … Since you’ve gone the Rotax route, or rather a Buell engine manufactured by Rotax, would you ever consider dropping anyone else’s engine in a Buell like Bimota does or something like that? Erik Buell: Well, ever since the 984 engine and the Blast engine, those were Buell engines, they’re not used in any Harleys and this Rotax is just a continuation of what we’ve been doing, it’s just a different engine supplier than Harley but they’ve always been our engines, at least since the Blast, the tube framed bikes used a tweaked Harley Davidson engine but the XBs have new cases, heads, cams, even spin a different direction so there’s a lot of things in the configuration that look like a traditional Harley engine because, for that customer, we thought that was important, but it really was a unique engine when it came out, it shared almost no parts with the Sportster, since that time they’ve brought more of those parts into the Sportster but there are still many, many differences so it is truly a unique Buell engine. So there will never be a time when we have a Buell where we drop someone else’s finished engine in it. Spin a different direction??? Is he referring to the XB's? | ||
| Glitch |
but the XBs have new cases, heads, cams, even spin a different direction... | ||
| Rainman |
Uh, so what's so bad about Rotax? Aren't they pretty good and reliable engine makers? Is it a bad thing to have a Rotax engine? | ||
| Jimidan |
So...that is why my S2 walks backwards on its kickstand when warming up. (Message edited by jimidan on August 09, 2007) | ||
| Anonymous |
The cams in the XB engine spin in the opposite direction as the current Sportster engine. Crankshafts of both bikes spin in the same direction. | ||
| Reepicheep |
Why? I've always wondered why they were different. | ||
| Anonymous |
We'd tell ya but then H-D would have to kill us. | ||
| Lemonchili_x1 |
Cool. Thanks Anony  . I've never really taken a good look at the bottom end differences in an XB. Reepi - maybe a space issue? Or pushrod angle? Anybody got cutaway pics of XB and earlier engines? I have always been curious about cranks spinning backwards though... Didn't some of the NSR500 GP bikes spin backwards? And maybe some of the MotoGP bikes? (Yamaha M1?) | ||
| Diablobrian |
In GP the rotation of the motor is sometimes changed to alter the gyroscopic effect. This changes how a bike turns. The crank on the XB still turns the same direction as the XLs, it is the cams that spin the other way. I'm not sure (since I've never been inside a sportster motor) if Buell is doing it to reduce the parts count (remove an idler sprocket?) or if there is some other reason. I'm sure that someone on here can explain why....anyone? anyone? Bueller? | ||
| Dbird29 |
Wouldn't the cam drive have changed with the new oil pump and right side changes? That could account for the cams spinning a different direction. | ||
| Reepicheep |
Maybe something to do with relative thrust angles of the pushrod on the cam surface during opening versus closing of the cams... keep the optimal thrust angle on the opening where the stresses are highest, and the less optimal angle on closing, where the stresses are lower. I know have an exhaust cam from my old M2 sitting here on my desk with a big old pit on it's surface... (Message edited by reepicheep on August 10, 2007) |
