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Author Topic: 71 CB500 track build  (Read 6489 times)

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Offline bwaller

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Re: 71 CB500 track build
« Reply #25 on: January 13, 2019, 08:19:30 am »
Lots of people use paint powder, but (tongue in cheek) it does adds weight. Using something that's easy to touch up is wise.
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Offline simon#42

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Re: 71 CB500 track build
« Reply #26 on: January 13, 2019, 09:56:19 am »
never use powder on a race frame , it hides the cracks and is murder to get off !
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #27 on: January 13, 2019, 01:58:14 pm »
Powder was never on the cards for that reason of cracking.

Only time will tell how abrasion and chemical resistant it is aswell as repairability but i'm sure that time will come.
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Offline calj737

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Re: 71 CB500 track build
« Reply #28 on: January 13, 2019, 02:41:13 pm »
Quote from: simon#42 on January 13, 2019, 09:56:19 am
never use powder on a race frame , it hides the cracks and is murder to get off !
Is that true that you find powder coat (when properly applied) is more apt to conceal fractures? I would think paint (normally a few layers thick) is far more likely to flex as a coating and not show a crack... I have seen powder coated structures that show fractures at joints (welded and pressed) but never would have thought of it as a treatment to be avoided.

Certainly a single stage paint is thinner than built up layers. Or is that racers normally only apply a single coverage of color and abandon the primer, top coat for weight savings?
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Offline bwaller

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Re: 71 CB500 track build
« Reply #29 on: January 13, 2019, 04:45:37 pm »
Most of those 2 stroke vibrators Simon raced will develop cracks in the rider!  ;D

Joking aside, checking for cracks is imperative, but weight is also an important consideration.
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Offline slikwilli420

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Re: 71 CB500 track build
« Reply #30 on: January 14, 2019, 05:59:05 am »
The low cost and ease of touchup, on top of being able to check for cracks is the reason race bikes are painted. I can touch up my frame for a couple dollars in the event of a get off vs stripping the whole thing to have powder stripped and reapplied.
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Offline simon#42

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Re: 71 CB500 track build
« Reply #31 on: January 14, 2019, 11:20:27 am »
Quote from: bwaller on January 13, 2019, 04:45:37 pm
Most of those 2 stroke vibrators Simon raced will develop cracks in the rider!  ;D

Joking aside, checking for cracks is imperative, but weight is also an important consideration.

i was cracked long before then brent !
back in the old days when men were men and had to race manx nortons over cobbled streets wearing a overcoat  frames were never painted .
and i must admit a well made frame left unpainted with just a light coat of oil for protection does look great . pain to keep it from rusting mind .
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Offline bwaller

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Re: 71 CB500 track build
« Reply #32 on: January 14, 2019, 01:14:43 pm »
 ;D +1 on the unpainted....especially to show off beautiful brazing work.
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Offline turboguzzi

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Re: 71 CB500 track build
« Reply #33 on: January 14, 2019, 01:24:22 pm »
I only keep my cracks unpainted to see how they develop over time :)
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #34 on: April 22, 2019, 04:39:08 am »
Finally a bit more progress on the 500.

Mates had time to build the wheels after machining and vapor blasting the hubs. We also got it into a roller with new bushings & bearings etc. Just sitting on mock-up tyres and rear shocks but we are looking at the Maxton T260's. Not sure if anyone can provide feedback on the Maxton's.

Also managed to find a basically brand new set of CR's for a steal so pretty happy at the moment
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Offline simon#42

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Re: 71 CB500 track build
« Reply #35 on: April 22, 2019, 10:58:42 am »
maxton supply most classic racers over here , they also supply most of the superstock bikes in the british championship , oh and half the tt bikes .
they are a fantastic company to deal with , if you have any problems they are always on the end of the phone with good advice . i have been dealing with them for over 40 years !
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #36 on: April 23, 2019, 02:48:59 pm »
Quote from: simon#42 on April 22, 2019, 10:58:42 am
maxton supply most classic racers over here , they also supply most of the superstock bikes in the british championship , oh and half the tt bikes .
they are a fantastic company to deal with , if you have any problems they are always on the end of the phone with good advice . i have been dealing with them for over 40 years !

Thanks for that Simon. Good to know we are headed in the right direction
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #37 on: June 09, 2019, 12:50:49 am »
Big milestone on the CB achieved as the engine is all assembled and in the frame.

looking on track (pardon the pun) to have it ready a couple of months before nationals to get some testing in.
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Offline Old Scrambler

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Re: 71 CB500 track build
« Reply #38 on: June 09, 2019, 09:45:09 am »
Nice Pistons............sanitary.  Regarding Frame Paint: NASCAR banned powder-coating many years ago.
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Offline turboguzzi

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Re: 71 CB500 track build
« Reply #39 on: June 09, 2019, 02:56:40 pm »
like the pistons too, look sano. what brand are they?
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #40 on: June 10, 2019, 05:09:44 am »
Pistons are Davies Motorsports.

What is sano/sanitary?
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Offline turboguzzi

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Re: 71 CB500 track build
« Reply #41 on: June 10, 2019, 06:40:06 am »
healthy in spanish :)
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Offline Aussie500

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Re: 71 CB500 track build
« Reply #42 on: July 15, 2019, 03:03:59 am »
Bike all ready for the dyno this week before racing this weekend. 2nd & 3rd photos are to be cropped for logbook purposes.
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