CBX Racing

CBXs, new bikes, old bikes, cars, trucks, general chat, off topic, this is the place to post it.

Re: CBX Racing

Postby Warwick Biggs » Sun Aug 25, 2019 7:28 pm

Sorry guys, in trouble again. I thought it was from Wikipedia EMS but it could have been usflags.org. There is too much written about this flag and what it represents and I've stuck my big foot right into it. One interesting aside is that the design went thru' so many variations and one reason was it was too similar to the Yankee flag that soldiers on the battlefield became confused and their Generals couldn't tell who was winning. Another reflection on the ultimate futility of war I guess, especially civil war.

The reason we are meandering into irrelevant dross Rick is because its' our 'off season' for racing, or the nearest thing to an 'off season' that we have in Oz. In addition I have had 2 months of enforced inactivity caused by an intra occular lens operation on my eyes. I have tried every method known to man to stop my glasses sliding down my nose or fogging up during racing and in the end the only solution left was to surgically replace my lenses. It is a horrible procedure and I now have to wear glasses for reading but not for playing tennis or racing (my only 2 half serious sports).

Hopefully, this enforced idleness is about to come to an end as we are booked in for a 2 day ride day next w/e if my surgeon agrees (and maybe, even if he doesn't). My old mate John (pictured earlier) is finally un-bolting his NC30 from his bar (I kid you not) and bringing it down to Mac Park from Adelaide.

When we were but wee little kids we rode around Australia together working at odd jobs picking fruit and often fruitlessly trying to find gormless young ladies who would engage in sex. We were a bit competitive about who was the more accomplished rider. Later, when John was living in Sydney we had a bit of a race around part of Sydney Harbour but that was indecisive and later still when I went on to do some serious racing with a pukka GP bike John helped in the pits but this ancient rivalry was never really resolved.

So, maybe after over 50 years we will put it to bed. We will be on more or less identical bikes. I have rebuilt mine after my last high side. Of course, I expect to prevail, even if he brings his 1290R Kato but you never know....
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Re: CBX Racing

Postby Warwick Biggs » Sat Aug 31, 2019 8:11 pm

Or not. John brought his NC30 but it refused to party. Probably water in the carbs because it was a frosty night followed by a warm sunny day. He tried as best he could to fix it without dropping the V4 entirely out of the alloy beam frame. The same old Honda packaging problem with the carby drain screws completely inaccessible being jammed up against the inside of the frame beams. No tool that we could fashion would come close to getting anywhere near those screws. It was Honda's first beam frame so I guess they didn't get around to thinking about that little detail.

At least John's bike looked good in its red HRC livery, unlike mine with my daggy fibreglass repairs all too apparent. Maybe I will get a decent buffing wheel and sand it a bit smoother so it will maybe go better but I couldn't complain in that regard. It steered straight and was strong down the straight with spot on gearing, easily pegging back the kids on their modern 300's. Altho' my frame rails are scratched and indented a bit on the outside, it still steered OK and the new Tyga rear sets worked well with no missed shifts.
I only managed a couple of dozen laps b4 calling it a day exhausted after 4 x 6 lap sessions. I certainly didn't set any lap records and with around 100 riders, mainly on R1's and GSXR's, I gave everyone plenty of room into the corners, still a bit ginger with the front end after my recent high sides. I tend to push the front fairly hard with my old fashioned riding style. The contemporary fashion for using your legs and body weight to tip in I find hard to manage on such a small bike which is a bit cramped for my 6'1" to move around much. But it was great not having to wear glasses and altho' my eye surgeon would have had kittens if he'd seen his patient screaming around at 130mph so soon after the operation, we didn't get anything in the eyes so it was all good. The difference was particularly noticeable on the very tight U bends where you have late apexes a few meres after the corner requiring you to look back over your shoulder as you tip in. This involves some rather acute head and neck stretching that inevitably pushes spectacles down your nose. Without them it was great not having to peer over the bridge of the glasses frame to see where I wanted to go. So my tip to near sighted racers - get your eyes fixed if you can. It really does help. I should have fixed this ages ago but maybe they didn't have good intra occular lens replacement technology back then? I don't know.
So we at least scrubbed in the new Bridgestone slicks and gave the re-built NC30 a successful shakedown even if my joust with John is delayed a bit. I need to get back my fitness levels after nearly 3 months of enforced in-activity and no tennis and attention will then swing back to the CBX once I get the new ignition fitted. People keep asking me where it is at and I say, "Its' a coming."
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Re: CBX Racing

Postby steve murdoch icoa #5322 » Sat Aug 31, 2019 8:53 pm

I suspect moving around on top of something as "roomy" as a CBX would be difficult for you given your past and recent crashes.
Can't imagine doing it while on the tiny NC30.
Good for you, Rick!
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Re: CBX Racing

Postby Warwick Biggs » Sun Sep 01, 2019 6:25 pm

When I fitted the Rickman syle seat to the CBX I went to some lengths to give myself more room so I could move around Steve. I could still ditch the period correct Raasq rear sets on the CBX in favour of a more contemporary set like the Tygas fitted to the NC30. This would also lift my feet up a bit and reduce the wear and tear on my boots. My current RST's are covered in epoxy on the top of the toes rather than the sides as a result of my last prang. I should replace them.

I notice that the California Superbike school have a BMW RR fitted with widely spaced outriggers specifically for practising body position. It looks like a good idea because the problem I have is how to moderate your lean angle once you are in the corner. OK, you slide your body over and tip in with your inside shoulder while holding the bars lightly. That is the theory. But if you over commit or need to change position I find it difficult to do that accurately just using my legs. I naturally use counter steering to achieve in-corner adjustments. You cannot do this by just holding the bars lightly. It does require a bit of muscling the bike around, This does load up the front a lot.
Originally, I had longer clip ons fitted to the CBX to get a better leverage ratio but this also had a tendency to exacerbate any instability at speed and required a conscious effort to let go of the bars a bit and trust the chassis to straighten out over bumps in the high speed corners. The longer bars could contribute to tank slappers in the wrong hands.
The CBX is still a work in progress with the chassis settings/ground clearance but that development has been interrupted by the misfire issue. In the meantime, I can only practice on the little NC30. I have thought of buying a modern sports bike just as a practice bike but Fran would have my guts for garters if I bought another bike. My BMW ST1200 road bike is not exactly a suitable substitute. It is a wonderful bike with its on the fly electronic suspension but maybe if I sold it and bought an R1 or R6, she wouldn't notice? And pigs might fly!
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Re: CBX Racing

Postby Warwick Biggs » Sat Sep 07, 2019 9:22 pm

Here is another view of the lump. As you can see, from the rider's perspective it is not too wide at all. Incidentally, Bill Brint reckons that puny Delkevic muffler outlet works really well on the CBX. The jury remains out on that one until we get back to the track with the machine firing on all 6.
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Re: CBX Racing

Postby Warwick Biggs » Sat Sep 07, 2019 9:30 pm

This is the guy who built the twin cam Sunbeam that beat the Bentleys at Le Mans. As you can see, he had good taste in bikes as well. He worked with Henry Segrave in his land speed records and his cars won the French and Spanish GP's as well as being the basis for land speed records by the Campbells right up to the 60's. All in da' family.
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Re: CBX Racing

Postby swarrans » Mon Sep 09, 2019 3:02 am

Cool!
My brother in law has a Vincent Rapide but he's a lot more wealthy then me!

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