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Author Topic: and so it begins, cb550k under the knife  (Read 41093 times)

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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #125 on: February 26, 2016, 11:54:38 AM »
Very accurate observation! 
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Offline SOHC4 Cafe Racer Fan

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Re: and so it begins, cb550k under the knife
« Reply #126 on: February 26, 2016, 03:31:30 PM »
Quote from: calj737 on February 26, 2016, 11:40:16 AM
Quote from: DMcD on February 26, 2016, 11:36:28 AM
...just need to join the two parts now.
"Just"... I love it when people describe the work involved in TIG welding aluminum as "just". Coronary transplants take less time  ;D I know you were self-describing and know all too well what I mean, but it just looked completely under-stated in print  ;)

Beat me and everyone else to the loaded "just"!
If only it were that easy, aluminum race tanks would be bountiful!
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #127 on: March 01, 2016, 02:28:52 PM »
Tank 99% done.






If I was doing it again I would put a larger radius on a couple of the corners.
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Offline SOHC4 Cafe Racer Fan

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Re: and so it begins, cb550k under the knife
« Reply #128 on: March 01, 2016, 02:56:42 PM »
Pretty damn good for your second aluminum gas tank!
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #129 on: March 01, 2016, 03:07:45 PM »
Ah well, 4th tank actually, made one for a tz350a for a friend, and then one for my mates x5, that was why I wanted to make a better one for myself.
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Offline Retro Rocket

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Re: and so it begins, cb550k under the knife
« Reply #130 on: March 02, 2016, 01:04:56 AM »
Quote from: calj737 on March 01, 2016, 03:17:03 PM
It's just aluminum. Cut it, bend it, weld it. Done  ;D

Smarty pants.... :P
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #131 on: March 02, 2016, 05:51:36 AM »
I'm just surprised that someone is still interested! :o
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Offline bwaller

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Re: and so it begins, cb550k under the knife
« Reply #132 on: March 02, 2016, 07:30:42 AM »
That's about the truth Cal. We can only understand through pictures DMcD.  ;D

Thanks and good work.
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Offline Pan1cReaper

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Re: and so it begins, cb550k under the knife
« Reply #133 on: March 02, 2016, 09:48:56 AM »
Awesome work man. Loving all the fab work. One day I might be 10% as good.
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #134 on: March 02, 2016, 01:25:41 PM »
Quote from: Pan1cReaper on March 02, 2016, 09:48:56 AM
Awesome work man. Loving all the fab work. One day I might be 10% as good.


Don't underestimate your abilities, when I started this thread I had never bent a piece of aluminium, seen an english wheel, or even held a tig welder.  If I can do it, it can't be that difficult.
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Offline Pan1cReaper

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Re: and so it begins, cb550k under the knife
« Reply #135 on: March 02, 2016, 04:31:42 PM »
I like seeing "the little guy" do work like this. Of course a shop can do it, but seeing someone do it at home is really cool. Might be worth seeing if the local com college has a class. I mig all the time, have never tig welded.
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #136 on: March 04, 2016, 03:20:42 PM »
Second attempt at megaphones today 32X60x300.

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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #137 on: March 05, 2016, 07:56:40 AM »
Engine back in for exhaust fitting, got 4 metres of 32mm exhaust pipe today for £20.  Not sure whether to bend it, or pie cut and weld it?  Anybody got advice?

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Offline bwaller

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Re: and so it begins, cb550k under the knife
« Reply #138 on: March 05, 2016, 10:11:55 AM »
Sand is better than nothing, however I remember seeing it done using lead, and that really worked great. Want to guess how long ago that was?  ;D
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #139 on: March 07, 2016, 11:48:27 AM »
Couldn't get my cone layout app on the phone to do what I wanted, so took a lucky guess using the inner and outer of a roll of masking tape.  Lucky guess!





Need a bit of tidying before welding on a belt sander, which I don't have, but I like the overall shape.
« Last Edit: March 07, 2016, 11:50:35 AM by DMcD »
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Offline SOHC4 Cafe Racer Fan

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Re: and so it begins, cb550k under the knife
« Reply #140 on: March 07, 2016, 01:12:11 PM »
The overall shape does look good.  I bet those suckers are going to be LOUD.  ;D
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #141 on: March 07, 2016, 02:05:09 PM »
Yes, going to have to rig up something temporary to get it through the test for the road, won't matter if it runs like crap for that 5 minutes each year
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Offline SOHC4 Cafe Racer Fan

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Re: and so it begins, cb550k under the knife
« Reply #142 on: March 07, 2016, 06:07:30 PM »
Every time I see unbaffled megaphones like that, I think of Lord Moonpie's racing exhaust on "Doctor D" Dave Hiller's 750F and Vincent's CR for the street.  Doctor D's can wake up half of Seattle with his pipes on the dyno. 
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #143 on: March 19, 2016, 02:04:15 PM »
1/4 of the exhausts done, well nearly, not going to put the megas on until the swingarm, rearsets etc. are in place.

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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #144 on: March 30, 2016, 08:59:07 AM »


Bling
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #145 on: March 30, 2016, 11:26:48 AM »
36 cuts and welds later.......



Need the footrest hangers finished now, before I can finish the exhausts.
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #146 on: March 31, 2016, 11:04:46 AM »
Bit more mocking up today, need to bring the lower ones (upper in pic) in a bit I think.  Definitely not going to interfere with the wheel spindle
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Offline SOHC4 Cafe Racer Fan

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Re: and so it begins, cb550k under the knife
« Reply #147 on: March 31, 2016, 05:22:38 PM »
Are you sure those will not scrape when you lean the bike over?
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #148 on: March 31, 2016, 11:49:42 PM »
Quote from: CB750 Cafe Racer Fan on March 31, 2016, 05:22:38 PM
Are you sure those will not scrape when you lean the bike over?

Probably, this was just a mock up to see if they were any where close to being ok.  I'll be tweaking them further.
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Offline DMcD

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Re: and so it begins, cb550k under the knife
« Reply #149 on: April 01, 2016, 12:52:50 PM »
Just for you CB750CafeRacerFan
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