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Old 11-23-2008, 10:43 PM   #46
Pezz_gs
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Great report John,

I look forward to seeing the bike @ Eastern Creek in 2009.

You are coming down??

BTW Did you ever get your tools back from the other Airhead race team
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Old 11-24-2008, 12:05 AM   #47
pommie john OP
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Quote:
Originally Posted by Pezz_gs
Great report John,

I look forward to seeing the bike @ Eastern Creek in 2009.

You are coming down??

BTW Did you ever get your tools back from the other Airhead race team

I take it we've met?

I got my tools back, it was just a genuine misunderstanding. The guy's mechanics didn't know he'd borrowed the tools from me and packed everything up in the van.


As for Eastern Creek, I'd love to come, it's a question of finances at the moment. I'm self employed and work has taken a dive recently. If things pick up in the next few months I may be able to make it to the Creek once or twice next year.

Cheers
John
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Old 11-25-2008, 03:11 AM   #48
Paul Narramore
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Jim Cray Engineering is in Sittingbourne and not Faversham BTW.
Yes, just to repeat what others have said, a very nice looking bike indeed.
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Old 11-25-2008, 04:17 AM   #49
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Originally Posted by Paul Narramore
Jim Cray Engineering is in Sittingbourne and not Faversham BTW.
Yes, just to repeat what others have said, a very nice looking bike indeed.

You're right, he's moved since we built the bike.
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Old 11-26-2008, 05:03 PM   #50
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Originally Posted by pommie john
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Lovely bike there. Are those the same calipers from a K75? If so, you can swap it to one from a R1100R beemer, you just have to grind down the mounting points a bit; I did that on my K75S.

Cheers
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Old 11-26-2008, 05:18 PM   #51
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Lovely bike there. Are those the same calipers from a K75? If so, you can swap it to one from a R1100R beemer, you just have to grind down the mounting points a bit; I did that on my K75S.

Cheers

I got the calipers from a wreckers. They are used on various bikes from Ducati bevels to MZ singles. You just have to measure the distance between the mounting points.
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Old 12-15-2009, 08:14 PM   #52
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Quick update for y'all.
It now has a full fairing and the first time I rode it, the starter motor magnets fell off and the rear seal leaked.
I hope there's not a cause and effect thing going on.
The oil temp got to 114C which should be OK ( Mobil 1 full synthetic).

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Old 12-16-2009, 06:10 AM   #53
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That full fairing probably works better? but I really like it whole lot better with the bikini.....sweet, sweet bike that.
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Old 12-16-2009, 07:05 AM   #54
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That is sweet! Even though I gave up track days last year (and still have the 955 Daytona for sale), that pic makes me want to build an airhead just for a few track days. Won't happen now unless I win the Lottery, but something to dream of.
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Old 12-16-2009, 07:12 AM   #55
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...motor magnets fell off, pretty sure that's normal stuff. Get an upgraded starter. Beauty job!
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Old 12-16-2009, 02:41 PM   #56
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Originally Posted by HammerD0wn
That full fairing probably works better? but I really like it whole lot better with the bikini.....sweet, sweet bike that.
Yeah. I was in two minds about the visual aspect. The full fairing makes lots of stuff harder...working on the engine, changing the plugs even.

My intention is to use the full fairing on long tracks like Phillip Island and use the top half fairing on short tracks.
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Old 12-16-2009, 02:57 PM   #57
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Question about the apparent lack of a cross over pipe for the exhaust
I have read were gains are made with the crossover, and that gain can be tuned by moving the cross over's possision down the length of the exhaust.
Any reason why you don't have a cross over?
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Old 12-16-2009, 03:06 PM   #58
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Originally Posted by r50us68
Question about the apparent lack of a cross over pipe for the exhaust
I have read were gains are made with the crossover, and that gain can be tuned by moving the cross over's possision down the length of the exhaust.
Any reason why you don't have a cross over?


It's my understanding that there are two kinds of header:- Independence and interference.

Independence have one pipe per cylinder of a tuned length and give better top end but less mid range.

Interference have shorter headers that join quite close ( 12"-18") from the cylinder head, or they are longer with a crossover pipe at 12"-18" ( as on road BMWs). You get better mid range and less top end ( typically) with an interference system.


Since this is a race bike which will have the nuts revved off it in every gear, we went for the independence method.

Not only that, the position and length of the crossover is critical and to be honest, I haven't got the time or money to use on the dyno to sort it out.

John
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Old 12-16-2009, 04:57 PM   #59
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An exhaust system designer told me that the crossover only softens the exhaust note and is there for EPA purposes. I've had several bikes without crossovers and didn't notice a difference except for a more defined exhaust note, so tend to agree.
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Old 12-16-2009, 07:15 PM   #60
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What's the new fairing? Looks a bit like a John Player Norton.
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