What welding projects are you working on? Are you proud of something you built?
How about posting some pics so other welders can get some ideas?
KVAS
  • Posts:
  • Joined:
    Thu Oct 02, 2014 9:45 am
  • Location:
    Slovenia

Hi guys, another two stroke project from me. I build these pipes during the summer in 2015. They were a total nigthmare to build as the upper pipes has to intersect to fit the beautiful Akrapovič silencers at the end. Everything is packed so tight They are made from 0.8mm thick cold rolled steel. Everything was done by hand, including cutting and rolling the sheet metal. It was absolutely one of the most difficult projects I have done. Here are some pictures.

Image
Image
Image
Image
Image
Image
Image
Image

Regards, Simon
motox
  • Posts:
  • Joined:
    Thu Nov 28, 2013 12:49 pm
  • Location:
    Delaware

looks like you have some serious talent.
beautiful job.
did you have something to copy from?
craig
htp invertig 221
syncrowave 250
miller 140 mig
hypertherm plasma
morse 14 metal devil
  • Posts:
  • Joined:
    Sun May 01, 2016 7:46 am
  • Location:
    Fort Myers Florida

Damn, looks amazing. You can make some money with that talent.
AWS D1.1 / ASME IX / CWB / API / EWI / RWMA / BSEE
Scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality." Nikola Tesla
KVAS
  • Posts:
  • Joined:
    Thu Oct 02, 2014 9:45 am
  • Location:
    Slovenia

motox wrote:looks like you have some serious talent.
beautiful job.
did you have something to copy from?
craig
The geometry itself is copied from jolly moto, as I had no experience in calculation of exhast for 125cc. Shape and curves were all done by me, I help myself with a model made from a steel wire.
motox
  • Posts:
  • Joined:
    Thu Nov 28, 2013 12:49 pm
  • Location:
    Delaware

jolly moto?
craig
htp invertig 221
syncrowave 250
miller 140 mig
hypertherm plasma
morse 14 metal devil
User avatar

Unique performance!Beauty,Well done! :D
Merkle TE 161 DC
Migatronic TIG 200 AC / DC PFC
Stahlwerk WIG TIG AC/DC 200 Puls mit Plasma
The_Fixer
  • Posts:
  • Joined:
    Fri May 13, 2016 3:54 am
  • Location:
    Sydney Australia

Nice work there man!
Good skill building project for sure.
KVAS
  • Posts:
  • Joined:
    Thu Oct 02, 2014 9:45 am
  • Location:
    Slovenia

motox wrote:jolly moto?
craig
Jolly moto is a company which produces aftermarket two stroke exhaust systems.
motox
  • Posts:
  • Joined:
    Thu Nov 28, 2013 12:49 pm
  • Location:
    Delaware

ill have to google them.
thanks
craig
htp invertig 221
syncrowave 250
miller 140 mig
hypertherm plasma
morse 14 metal devil
motox
  • Posts:
  • Joined:
    Thu Nov 28, 2013 12:49 pm
  • Location:
    Delaware

i do have a RD 350 I'm working on. it would
be an interesting project to fab pipes for it
(but prob not TI)
craig
htp invertig 221
syncrowave 250
miller 140 mig
hypertherm plasma
morse 14 metal devil
cripftw1
  • Posts:
  • Joined:
    Sun Apr 10, 2016 1:27 pm

they are some bad ass pipes ! nice job keep that front end down !
User avatar
  • Posts:
  • Joined:
    Sat Aug 01, 2015 8:38 am
  • Location:
    The Land Down Under

Amazing.

Two strokes and welding, what a great combination. Love your work.



Kym
User avatar
  • Posts:
  • Joined:
    Tue Jun 21, 2016 2:45 am
  • Location:
    Washington State

Beautiful! I'd love to hear them under hard acceleration. Can you tell me how you design the chamber dimensions? Is there a program for that?
User avatar
  • Posts:
  • Joined:
    Sat Aug 01, 2015 8:38 am
  • Location:
    The Land Down Under

Grburns09 wrote:Beautiful! I'd love to hear them under hard acceleration. Can you tell me how you design the chamber dimensions? Is there a program for that?

One of the most popular programs is Two Stroke Wizard...




Kym
skt634
  • Posts:
  • Joined:
    Wed Apr 19, 2017 11:52 pm

Hi,
Very fine and wonderful job....bravo!!!!
BTW, where can get the Akrapovic silencers?
please advise.
Thank you
User avatar
  • Posts:
  • Joined:
    Thu Jan 06, 2011 11:40 pm
  • Location:
    Near New Orleans

I have to comment here. You can spot a pro and an amateur very easy with "stroke" versus "cycle". There's no such thing as a "two-cycle" or "four cycle" motor.

Your options are "two-stroke cycle", and "four-stroke cycle". You're describing what happens in ONE cycle of the motor.

Sadly, manufacturers of lawn equipment are following the trend of crappy language, and calling their equipment "two-cycle" and "four-cycle".

Steve S
motox
  • Posts:
  • Joined:
    Thu Nov 28, 2013 12:49 pm
  • Location:
    Delaware

I have to comment here. You can spot a pro and an amateur very easy with "stroke" versus "cycle". There's no such thing as a "two-cycle" or "four cycle" motor.

you can tell pro by the AMA inspection sticker on his frame...
craig
htp invertig 221
syncrowave 250
miller 140 mig
hypertherm plasma
morse 14 metal devil
exnailpounder
  • Posts:
  • Joined:
    Thu Dec 25, 2014 9:25 am
  • Location:
    near Chicago

motox wrote:I have to comment here. You can spot a pro and an amateur very easy with "stroke" versus "cycle". There's no such thing as a "two-cycle" or "four cycle" motor.

you can tell pro by the AMA inspection sticker on his frame...
craig
And he's the guy that sits with his crew while they work on his bike and watches instead of bouncing around to every team, trying to get someone to like him. Has never worked.
Ifyoucantellmewhatthissaysiwillbuyyouabeer.
User avatar
  • Posts:
  • Joined:
    Thu Jan 06, 2011 11:40 pm
  • Location:
    Near New Orleans

motox wrote:I have to comment here. You can spot a pro and an amateur very easy with "stroke" versus "cycle". There's no such thing as a "two-cycle" or "four cycle" motor.

you can tell pro by the AMA inspection sticker on his frame...
craig
Indeed. I noted that he said "two-stroke", not "two-cycle", throughout his comments.

Steve S
User avatar
  • Posts:
  • Joined:
    Mon Feb 09, 2015 4:48 pm
  • Location:
    St. Johns, Michigan

My Gawd,
I'd love to here that bad boy run!
Pete
Pete



Esab SVI 300, Mig 4HD wire feeder, 30A spool gun, Miller Passport, Dynasty 300 DX, Coolmate 4, Spectrum 2050, C&K Cold Wire feeder WF-3, Black Gold Tungsten Sharperner, Prime Weld 225
johndextr
  • Posts:
  • Joined:
    Sat May 06, 2017 12:30 am

Amazing
User avatar
  • Posts:
  • Joined:
    Thu Jan 06, 2011 11:40 pm
  • Location:
    Near New Orleans

johndextr wrote:Amazing
Welcome, John.

Sorry for the delay in approving your first post. We encourage people to use the introduction page, because I and the other moderators look there first for new members. It takes a minute for us to read every new post in every thread.

Steve
User avatar
  • Posts:
  • Joined:
    Wed Jun 05, 2019 4:02 pm
  • Location:
    Detroit

Holy smokes!

Very, very nice work. Totally get how complicated this is. Routing through the frame and clearing bodywork ain't easy.

Do you still have patterns? I wouldn't mind having a go at some titanium ones for my 500. Something else to add to the list of projects!

Mark.
Mark
Miller Dynasty 280DX
Miller Coolmate 1.3
Post Reply