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Author Topic: Down under, an idiot and a 400F  (Read 396186 times)

Offline stroker crazy

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Re: Down under, an idiot and a 400F
« Reply #2710 on: May 27, 2017, 03:39:49 »
Might be different up here though.
Isn't everything different up there?

Crazy
ďRide like the WindĒ W.H.

Offline neevo

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    • The blog of my custom CB400F build
Re: Down under, an idiot and a 400F
« Reply #2711 on: May 28, 2017, 07:02:05 »
Last time I bought wire from Jaycar, which was a while ago, I got it by the meter. Might be different up here though.

Was in Jaycar today. They sell it by the metre but unfortunately the colour options are turd. Probably only about 4!


See the condensed version of my full build on my blog!

Offline stroker crazy

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Re: Down under, an idiot and a 400F
« Reply #2712 on: May 28, 2017, 07:44:44 »
Probably only about 4!

Not any better here in SinCity!

Crazy
ďRide like the WindĒ W.H.

Offline crazypj

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Re: Down under, an idiot and a 400F
« Reply #2713 on: May 28, 2017, 14:16:44 »
Was in Jaycar today. They sell it by the metre but unfortunately the colour options are turd. Probably only about 4!

 I've been seriously thinking about going to a junkyard and pulling wiring harness from a relatively new car, there are probably a few only year or less old written off and scrapped. Shouldn't be too expensive as people wont want harness, (maybe in a few years but not at present?) usually switches and computer/mechanical parts
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline Hurco550

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Re: Down under, an idiot and a 400F
« Reply #2714 on: Oct 20, 2017, 14:32:59 »
Badump... whats going on with this awesome project??
Keep er' Between The Ditches!!!

2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennett

Offline neevo

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    • The blog of my custom CB400F build
Down under, an idiot and a 400F
« Reply #2715 on: Jan 01, 2018, 23:13:27 »
Been mucking around with other projects and lost time to work on the 400F.

However today I got back in the shed and started something Iíve been avoiding for a long time... seat v2.0

First up a refresher of where the bike sits:

 

Had to remove the wiring harness because itís hardly needed at this stage.

Many people have been hinting to use the rear end shape of the tank as a guide, so I grabbed some welding rod and set about copying the shape:



Next I took the tank and thought to copy the main centre strip and 2 side strips:



Glued the welding rod to the underside to hold the shape:



Iím still a fan of the seat area so I copied that in cardboard as the front half of the seat:





Combined the two (loosely) and discovered two things:

1. Getting the straight panels to merge nicely in a seat will require some artistic licence, eg Iíll need to shrink the width of the panels down a lot or merge it much nicer, at the moment it looks like shit and I donít think it will improve much with the current idea. I donít want a square seat either, just donít like the look.
2. The added length of the seat does look better balanced on the rear end.







So thatís where Iím up to so far. Unfortunately Iíve run out of argon, otherwise Iíd start to cut some steel and tack some stuff up, so much easier to get these angles and curves in steel than cardboard.

My next move will be to make the frame so I can get the length I want. I think it will be about 1Ē less than the cardboard version (1Ē longer than the current steel seat). Then Iíll play around with a few more cardboard options before committing in steel. I think itíll end up being another compound curve seat unless anyone has some ideas on how to merge the flatter shape of the rear of the tank with the rounded seat I prefer.
« Last Edit: Jan 01, 2018, 23:22:57 by neevo »


See the condensed version of my full build on my blog!


Offline neevo

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    • The blog of my custom CB400F build
Re: Down under, an idiot and a 400F
« Reply #2717 on: Jan 02, 2018, 00:06:49 »
Good to see you back on this.  Those cordless drill hangers are brilliant, btw.

100mm PVC pipe :D


See the condensed version of my full build on my blog!

Offline jpmobius

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Re: Down under, an idiot and a 400F
« Reply #2718 on: Jan 02, 2018, 10:41:35 »
I find it very important to mock up the upholstered portion of the seat when I am deciding on the cowl shape.  You can carve up an old seat foam to roughly fit and wrap it or paint it dark like the cover you intend to use to approximate the end result.  I make mine from fiberglass with the seat base and cowl as a single component, so it is easy for me to shape the rigid foam for the cowl and soft foam for the seat at the same time.  Looks like you can do the same thing adjusting your cardboard mock up with the seat foam until you get the shape of both to look like you want.  I see an awful lot of bikes that would have looked a lot better if the upholstered portion didn't look like the separate project it was.
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline crazypj

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Re: Down under, an idiot and a 400F
« Reply #2719 on: Jan 02, 2018, 12:41:20 »
Great to see you back with CAD (cardboard aided design  8) )
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0