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 Post subject: Modified XB12 firebolt
PostPosted: Tue Jun 30, 2015 3:10 pm 
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As promised - these are as bought
waiting for the pictures from the fabricator - Lee @ steelheart - from when i took it back to him and we put the White power BSB front end and mocked the rear end up


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PostPosted: Tue Jun 30, 2015 4:15 pm 
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Looks good, look forward to seeing it develop. :clap:

Visited Lee for some welding years back when I lived that way, just a small repair, but his work was A1


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PostPosted: Tue Jun 30, 2015 5:00 pm 
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proff. patpending
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Looks good. Is there any vibration isolation between engine and frame?

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PostPosted: Tue Jun 30, 2015 5:35 pm 
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:yt:

looks fun :yup:

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PostPosted: Tue Jun 30, 2015 5:38 pm 
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Vastly improved spark plug access!

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PostPosted: Tue Jun 30, 2015 7:08 pm 
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Current ride: bmw 1150 gs
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Thanks chaps,

these are the remainder of the 'as bought' pics

No isolation on the mounts at present - thoughts please

& thanks to Maz for his considered opinions on options earlier today.


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PostPosted: Tue Jun 30, 2015 7:32 pm 
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Current ride: bmw 1150 gs
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These are latest progress - top frame rail cut from frame as i didn't think it strong enough to support the shock mount, and an extension made on top of the swing arm to lay the shock in a better horst link position
(as per Yamaha). Left Lee a free hand to modify as he saw fit - he's the engineer after all - and think the results are better than i imagined.
Injection is going to be shortened by about an inch, to allow an air filter mounting plate to be made to sit on top of the engine.
Tank is Suzuki Gsxr 400, and will have the bottom cut out to try and make more room to extend it downwards and get some more fuel volume, space permitting. cylindrical frame piece to be used as a reserve or prime tank for fuel. Intend to use an external fuel pump - anyone any ideas.
Oh... and don't suppose anyone has a pectel T2 ecu cluttering up their garage.
Seat unit is a very svelt carbon Radical Ducati one, will need to re-shape the back of the tank to make it flow


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PostPosted: Tue Jun 30, 2015 8:56 pm 
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A grey tide eel
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Liking the look of this.

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PostPosted: Wed Jul 01, 2015 10:32 am 
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ju wrote:


No isolation on the mounts at present - thoughts please





Simple rule,
If you still have your own teeth then fit the isolators lOl

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PostPosted: Wed Jul 01, 2015 11:21 am 
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Very smart :yup:


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PostPosted: Wed Jul 01, 2015 12:15 pm 
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Liking the look of this :yup: Just a thought, (and it might be complete bollocks lOl ) when people rigidly mount a previously rubber mounted engine in Featherbeds etc, they sometimes change the crank balance factor to something more suitable for the frame.
Dave Degen, who built the first TriTons, and then went to set up Dresda, wrote an article on this - but I can't find it!

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PostPosted: Wed Jul 01, 2015 2:41 pm 
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Current ride: bmw 1150 gs
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Yup,
Not sure why it wasn't built with isolation in the first place, ant this is an area where my unfamiliarity of this marque doesn't help. Will speak to Lee when I see him next and try to get some clarification / understanding


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PostPosted: Wed Jul 01, 2015 5:49 pm 
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You won't be able to ride the bike to its full potential ie keep your feet on the pegs.

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PostPosted: Fri Jul 31, 2015 9:00 pm 
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Current ride: bmw 1150 gs
Location: kent
Went to see Lee yesterday - injector tube has been cut down and a top plate made to lose the step.
I bought one of those new fangled lithium batteries - reduction in size & weight or what !
going to have the inside of the Headstock rails cut on the sides to move the battery closer to the headstock,
mounted under the front of the tank.
sheet will also be made to mount over the top of the injector tube, so that it can be sent to ITG for them to make an air filter to fit.
Hope to post some more pics soon.


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PostPosted: Fri Jul 31, 2015 10:15 pm 
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You better get a agm battery!
those lithiums are rubbish for use on the buells.

And thoughts about the engine mounting
You doing yourself a favor for using isolators.
and why not mounting the intake manifold like the xb Bott build?
could save you some work on the fuel tank to.

Further it looks interesting and like to see the final result :yup:

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