Author Topic: ERA R6B  (Read 685 times)

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #15 on: 10 Mar 23, 01:42 pm »
A northern builders meet would be good Jim, I like the sound of that.  Somewhere in the middle...Manchester?

Lacing the wheels is the easy bit to be honest, but truing them is just awful.  You think you're nearly there and then too many twists here and its all over the place there...really frustrating.  I have also fabricated a truing gig as buying one is too much £££ for the use it will get.  I've found a pro wheel builder in Leeds so will be using him next time.

My daughter is helping me this weekend fit the springs, and hopefully front axel.
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #16 on: 13 Mar 23, 02:37 pm »
My springs from Jones Springs
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #17 on: 13 Mar 23, 02:40 pm »
A bit of Friday night fabrication
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #18 on: 13 Mar 23, 02:41 pm »
Where it goes
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #19 on: 14 Mar 23, 12:28 pm »
I've also started thinking about the dash and secured this lovely thing from eBay.  It's a Smiths clock that I think is from an old Jag.  Just taken it apart to clean it up.
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #20 on: 14 Mar 23, 12:44 pm »
Monday evening shenanigans in the workshop.

Had a great time building the front end up and seeing it coming together.  Me and my daughter fabricated the front brackets over the weekend from a length of square tube I found in my wife's new shop...result!  I love a freebie.  Now need to work out where the rear axel is going to go so that we are within the guidelines.

Now I have the challenge of fitting everything in to the rear.  I already have my engine, sprocket, brake disk and rear axel so my next purchase is the Torque Converter and chain.  May need some guidance on the chain from you guys.

I hope driving this thing is going to be as much fun as building it...I'm having a great time!!!
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #21 on: 14 Mar 23, 12:47 pm »
More pics
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

Jimr1999

  • Forum user
  • Posts: 628
  • Location: Cumbria

Badges: (View All)
CKGB Committee CKGB Member
Re: ERA R6B
« Reply #22 on: 14 Mar 23, 02:25 pm »
Great progress Tim, looking very cyclekart - like, the chain will depend on your sprocket dimensions, thickness, pitch and space between teeth. If it is a Gemini one from the cyclekart section I think they run on 420 chain from memory.
« Last Edit: 14 Mar 23, 02:30 pm by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #23 on: 14 Mar 23, 02:54 pm »
Hey Jim, I'm assuming those details are on the sprocket somewhere?  I didn't buy it new so don't know if it came from Gemini or not.  Can't remember what tooth it is from memory either.  I'm playing out at the workshop tonight so I'll have a look.
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

Jimr1999

  • Forum user
  • Posts: 628
  • Location: Cumbria

Badges: (View All)
CKGB Committee CKGB Member
Re: ERA R6B
« Reply #24 on: 14 Mar 23, 05:55 pm »
It is littered with ads but the link below has some reasonable information about the different types of kart chain. Of course it might not be a kart or motorcycle sprocket, if you buy a TAV, the sprockets that come with it are for 35series chain and 40 series chain. I use the 10T 40 series with a 420 chain on mine to a 420 rear sprocket... Hope it helps. https://www.gokartguide.com/go-kart-chain-size-chart/
Jim
« Last Edit: 14 Mar 23, 06:22 pm by Jimr1999 »
... You can lead a horse to water, but a pencil must be lead.

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #25 on: 14 Mar 23, 06:49 pm »
Thank you Jim, that's brilliant
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #26 on: 22 Mar 23, 12:50 pm »
I sneaked off to the workshop last night.
If you think you can do a thing, or you think you can't, you're right.

Henry Ford

jim

  • Forum user
  • Posts: 631
  • Location: northants

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #27 on: 23 Mar 23, 04:49 am »
looking good Tim and I like your Mag Base. :) An Ideal tool for that application.
If you can drive round corners, you're not going fast enough.

Ian L

  • Forum user
  • Posts: 126
  • Location: Somerset

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #28 on: 23 Mar 23, 07:20 pm »
Hi Tim, Jim - Picking up on the sprocket thread how many teeth is you axle sprocket. I have the same Torque converter issue and will need to switch to 420 chain or find a small 219 ? sprocket. Thanks. Ian

uncantim

  • Forum user
  • Posts: 71
  • Location: Bingley, West Yorkshire

Badges: (View All)
CKGB Member
Re: ERA R6B
« Reply #29 on: 09 Oct 23, 01:51 pm »
Apologies to all you new builders out there, I haven't posted for a while as I forgot how important the Build Journals are when you are just starting out.  As it's been so long, this may come across as a bit "all over the place"...soz!

To be honest there was a massive push to get things ready for Brooklands, I managed to get the kart built to be a rolling chassis, albeit a non-runner.

Building up the chassis went reasonably smoothly, mounting all the front suspension and axels was really easy.  The rear setup took some brain power though to make sure everything was lined up and stayed that way.  I’ve mounted the engine and engine plate on a sliding bed so I can adjust for chain tension using a bolt at the rear of the chassis.  Not my idea, one I pinched from Chris S.

Following some advice on the forum I have a brake caliper from a Suzuki GSF 650, a Gemini brake disc and a Wilwood 0.70 Brake cylinder.  The challenge here was that all the fittings are different sizes from metric to imperial and thread size, very confusing for a simple fella like me.  I have used copper brake pipes (for now) to get it running but would like to change over to braided pipes in the future.  The brakes are all set up and seem to work static.  I do get a little movement in the caliper mount but nothing that can’t be strengthened later on.  It could also be my really terrible welding!

The body slid into the chassis like it was made to fit…oh, wait a minute, it was!  I still can’t believe it fits like a glove as it did keep me awake on a couple of nights.
The steering is just standard gokart stuff, I’ll upload some pics of this soon.

Wheels…these have been the most frustrating part of the build so far.  I bought some Honda C90 originals that were in a proper state and to be honest, would probably have been better scrapped rather than renovated.  But I thought “No, I’m going to bring those back to life”… foooool!  So I bought 7 wheels, 5 of which were 17x 1.20 for £60, a deal not to be ignored by a Yorkshire man.  I stripped them, wire wheeled and sanded the hubs and rims, painted them a lovely black with topcoat and then some new spokes.  I spoked the rims but then spent about a week trying to true them, and this is where the problems started.  It’s an art and I’m no artist…in fact, it's awful.  The thing is, getting this done commercially is nearly impossible, nobody seems to do it anymore.  After a lot of research, I found a place in Leeds that managed to do the front wheels for me but damaged them in the process.  They tried to do the rears but lost them!  4 weeks later I eventually got them back untrued and the paint job I spent so long on was wrecked.  I eventually found a really lovely fella down the road who restores bikes and he did a brilliant job.

All this work got the kart on 4 wheels and rolling at Brooklands but since then not a lot has happened other than me building a new steering wheel and starting the front grill (pics to follow).

At the moment my business is taking all my time and a sizable chunk of my budget to get it off the ground but it won't be long before I'm back at it
If you think you can do a thing, or you think you can't, you're right.

Henry Ford