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#Post#: 8394--------------------------------------------------
Re: ERA R6B
By: uncantim Date: March 14, 2023, 7:44 am
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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!!!
#Post#: 8395--------------------------------------------------
Re: ERA R6B
By: uncantim Date: March 14, 2023, 7:47 am
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More pics
#Post#: 8397--------------------------------------------------
Re: ERA R6B
By: Jimr1999 Date: March 14, 2023, 9:25 am
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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.
#Post#: 8398--------------------------------------------------
Re: ERA R6B
By: uncantim Date: March 14, 2023, 9:54 am
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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.
#Post#: 8401--------------------------------------------------
Re: ERA R6B
By: Jimr1999 Date: March 14, 2023, 12:55 pm
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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.
HTML https://www.gokartguide.com/go-kart-chain-size-chart/
Jim
#Post#: 8402--------------------------------------------------
Re: ERA R6B
By: uncantim Date: March 14, 2023, 1:49 pm
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Thank you Jim, that's brilliant
#Post#: 8458--------------------------------------------------
Re: ERA R6B
By: uncantim Date: March 22, 2023, 7:50 am
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I sneaked off to the workshop last night.
#Post#: 8461--------------------------------------------------
Re: ERA R6B
By: jim Date: March 22, 2023, 11:49 pm
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looking good Tim and I like your Mag Base. :) An Ideal tool for
that application.
#Post#: 8465--------------------------------------------------
Re: ERA R6B
By: ian.lang Date: March 23, 2023, 2:20 pm
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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
#Post#: 9513--------------------------------------------------
Re: ERA R6B
By: uncantim Date: October 9, 2023, 7:51 am
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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
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