Project X

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madforitkev
Posts: 88
Joined: Tue Dec 13, 2016 7:21 pm
Location: Poole

Re: Project X

Postby madforitkev » Tue Jan 29, 2019 7:52 pm

Moving on......this week I have mostly being playing petrol tanks...

As usual I wanted it to be different.....I wanted a split tank with a pot for the oil under one cap (I am keeping the mechanical oil pump).

So as the base frame is a VFR that seemed like a good start point as I also like that the VFR tank hinges up from the back to access the carbs.

So starting with this...

IMG_2918.jpg


The filler cap has overflow pipes routed to the base so I wanted to keep those so I just cut and moved it left a bit.

Now hack another cap section from another tank and weld a oil pot to the underside with a tube sticking through the base.....


IMG_3198.JPG


and on the bike......



IMG_3200.JPG


Side shot of the mock up build. I've still got additional engine mounts to weld into the frame which is the next big job but I just wanted to get a feel for how the tank looks.

IMG_3201.JPG


I've also done some work on modify Suzuki 1200 bandit clocks to take the electronic displays (basically made whole new bodies but kept the shiny chrome bits) and will probably run twin LED headlamps. Just gotta find the right look.



So time to get the filler out and finish the tank. Still waiting for the ported barrels back (aaargh!) before I can finish the frame welding.

Most of the rest of it kinda fits now though.

I also did a mock run of the electric (fuel - old post mistake) WATER pump and hosing and with a neat mod to the water jacket inlet the pump is hidden and the main hose routes underneath so all the plumbing is nearly invisible.



IMG_3202.JPG
IMG_3204.JPG
Last edited by madforitkev on Wed Jan 30, 2019 8:01 am, edited 1 time in total.

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Alan H
Posts: 8733
Joined: Fri Aug 05, 2011 6:38 am
Location: Wombwell, Republic of South Yorkshire

Re: Project X

Postby Alan H » Tue Jan 29, 2019 11:04 pm

I can't remember the earlier stuff, but are you planning on a pressure relief valve from the pump to the carbs as against gravity feed as 'normal'?
If not, you'll over pressure the carb feed and flood the carbs, shirley. :? WTF'S Shirley anyway? :roll:
I had a similar issue on a LandRover with a pump fed 4bbl carb on a 4.6 litre V8, and had a return feed to the tank to take over pressure fuel (this also kept the pump cool). Not in tank though, so I expect you've already though this through, or has the in tank pump a facility built in :?:
Just wondering, suggesting and as I'm not sure, wanting to learn.
Hopefully you've already thought of this.
Proof that four strokes are over complicated

madforitkev
Posts: 88
Joined: Tue Dec 13, 2016 7:21 pm
Location: Poole

Re: Project X

Postby madforitkev » Wed Jan 30, 2019 7:58 am

Alan

I just realised I made a FUBAR in the last post......Its not a FUEL pump I was talking about it is the WATER pump!! I read your comment and went ' is he mad?', but no it was me! So no FUEL pump on this (yet), Might play with fuel injection later once I know the porting/exhaust design works.

Thanks for catching it!!

Cheers

Kev

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Alan H
Posts: 8733
Joined: Fri Aug 05, 2011 6:38 am
Location: Wombwell, Republic of South Yorkshire

Re: Project X

Postby Alan H » Wed Jan 30, 2019 8:33 am

Phew! I couldn't understand that you'd missed it with the care you've taken with the rest of the build.
It does show that people are interested and do suggest sensible comments - even me! :lol:
Proof that four strokes are over complicated

teazer
Posts: 495
Joined: Mon Mar 07, 2011 8:10 pm
Location: Chicago

Re: Project X

Postby teazer » Wed Jan 30, 2019 3:56 pm

You can use a fuel pump with old school type carbs. They did it on snowmobiles for decades. What you do have to do is to fit smaller (#1.5) float valves and a small electric pump from say an FZR400/600 etc or vacuum pump.

But gravity works well too and is one less thing to tax the electrical system..

madforitkev
Posts: 88
Joined: Tue Dec 13, 2016 7:21 pm
Location: Poole

Re: Project X

Postby madforitkev » Sun Feb 03, 2019 8:19 am

Thought I would have a go at mocking up the final aspiration!

Mockup white.jpg


Still a work in progress but it will be something like this. Plan is twin round headlights and a fly screen. probably go with end cans on the exhaust eventually.

mockup background.jpg


There will also be rear-sets in the final build but they are dam tricky to render :D


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