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Topics - Jimr1999

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1
Events / Proposed Northern builders meet
« on: 11 Sep 23, 07:22 am »
Repeated from the CKGB Facebook page...

"CKGB northern builder's meet. It seems that we have a lot of new builders on Facebook. How many here would be interested in a Northern region CKGB builders meet up. Add your names below and I will see if we can arrange something soon."

If any Northerner who is not on Facebook (understandable) Is interested answer below or drop me a P.M.

2
Off Topic / Aldi leather gloves
« on: 08 Sep 23, 09:59 am »
Aldi have in store some unbranded leather gardening gloves (read vintage driving attire :-) ) that are dirt cheap for the quality at the moment... https://www.aldi.co.uk/leather-gardening-gloves/p/816759737661100


3
Where to get stuff / Dibond sheet
« on: 15 Aug 23, 08:53 pm »
Anyone near Sudbury need some Dibond 4mm? https://www.facebook.com/marketplace/item/1449611055802739/?ref=facebook_story_share
Jimr

4
Build journals / Auto Union type A - The difficult second CycleKart
« on: 30 Jul 23, 08:31 am »
Ever since I got half way through the build of the BSA, I knew I would build another - I was having too much fun with the first one. Looking at past build journals and the American sites, I knew it was not going to be easy. I would want to build upon my mistakes and attempt something very different at the same time.
I have been collecting bits and messing around with ideas for about ten months now but it was not until an idea for front suspension based upon a 1930's Porsche design was mooted (Hat tip to Giant Tribble) that I got my dander up as to what to build. The build will employ little of my traditional wood based skill set (big challenge and lots to learn). I set about trying to replicate the suspension design and I now have 80% faith that I can do it. Good enough to make a start.
A couple of rough sketches and a video to show how I intend to tackle the problem. Not a definitive design yet and very much work in progress.
If you are reading Stefan, please reserve me race number 6.
https://youtu.be/pQ9Li73aV60
JimR

5
Where to get stuff / Hyundai Sale
« on: 25 Jul 23, 01:11 pm »
Hyundai have a sale on. And the engines that are the cheapest are the heavy duty ones with better bearings and hardened cranks - 212cc pull start 7hp...

Also, you can get an extra 10% off the already cheap price by using a "refer a friend link"  After a double discount I paid £124.62 delivered
 I used Ian F's link and have been given my own... MmeN9XWKAW
https://hpp.mention-me.com/m/ol/pv0jn-803d9d7206
This may only work once, so if you use it, create your own refer a friend link and post it below for others to use please

Link to product. https://hyundaipowerequipment.co.uk/hyundai-212cc-7hp-petrol-engine-4-stroke-ohv-ic210x-19/

‘X Series’ Engines Also Feature:

    An upgraded 40 CR-grade steel crankshaft.
    Upgraded main bearings offering strict tolerances using a P5/TM-grade main bearing and a QT-grade camshaft bearing.
    DLC (Diamond-Like Carbon) coating on the piston and piston rings for high durability and increased performance. DLC significantly increases the lifespan of components likely to suffer stress or tension, such as pistons.


6
For sale and wanted / Wanted. Gemini live axle 1" hubs
« on: 25 Jun 23, 02:29 pm »
Gemini are out of stock of these hubs at the moment, has anyone got any to sell or a lead on where else might have them for a 1" Peerless diff axle.
TIA.
JimR

7
Events / Race the Waves 2024 - May 9th to 12th
« on: 01 Jun 23, 08:31 am »
Good morning all.
I have been in touch with the organiser of this event in Bridlington for next year and they are keen on having us to participate, as we fit the ethos of what they are trying to achieve, with initial thoughts of having a circuit for lunchtime entertainment each day on the beach and possibly 1/8th mile drags.
This is early days planning and a gauge of interest so if it tickles your taste-buds please indicate that you are considering it below.
The event had some 80,000 people participating and watching this year in April and accommodation for next year is getting pretty booked up already in the hotels around town. Sounds like a good do! As we say up north.
https://www.backfirepromotions.com/
https://www.facebook.com/RtW.Full.Throttle.Action/
Camping is available at a discount at the recommended campsite, https://www.southcliff.co.uk/ by using the 15% discount code RACE15 (valid until 31st July 2023)
You can reserve a pitch for a £10. If you book until the Sunday, extensions to the stay until 5pm may be available subject to demand.
As I said at the start, this is early stage planning so watch this space for updates, it should be a great event with some excellent feedback received from people I know who attended this year.
Jim

8
Where to get stuff / Hyundai engine sale
« on: 09 May 23, 06:38 pm »
Hyundai are discounting engines at the moment... https://hyundaipowerequipment.co.uk/construction-machinery-sale/hyundai-212cc-6-5hp-19-05mm-horizontal-straight-shaft-petrol-replacement-engine-4-stroke-ohv-ic210p-19/?gclid=CjwKCAjw3ueiBhBmEiwA4BhspIhZEAFOhq8pcmyWlr75BWMuQPDOpql2JpAuTqSubj2FmsFsdzbhYhoC_c0QAvD_BwE

9
Tech Forum / fitting Noel's (Moogie's) spinners to the pit bike wheels
« on: 12 Mar 23, 09:41 am »
A short video I said I would do to Noel to explain the thought behind the four slots in the pit bike spinner base... (Noel if you want to put a link in the design, it might help?)
https://youtu.be/5eFtVYQVbKo

10
Tech Forum / DIY rack
« on: 17 Feb 23, 05:27 pm »
This is experimental, not fully proven and for discussion only.
The steering on the BSA is Pitman arm, and while some might find this system absolutely fine, I find it twitchy at speed and hard work in tight corners. My arms have got used to power steering and if I lose a little road feel, I can cope with that.
I have been trying various solutions with in - line planetary gears and not having any faith in the results enough to take the idea forwards. Too much lash and, not enough connection options have made me kick that idea into the long grass.
So, try to build a rack.
I saw a video from an American (I think) fellow who has a good deal of skill with metal (1908 rick) Rick Eggers? I think who made a rack from scratch for his kart. I don't have access to high precision tools (eyes can't pop a centre to less than 0.3mm anymore either) so I improvised around his design to allow for poor tolerances with shims. Anyway, here is a short video of it so far.
Comments please.
https://youtu.be/SeC1ju09kLE
Jim

11
Off Topic / puzzle corner
« on: 07 Feb 23, 09:45 am »
A very CKGB crossword

12
Tech Forum / Playing around with a rear axle
« on: 26 Jan 23, 09:38 am »
Morning all.
This is a short video of me playing around with a design for a rear axle.
The reason I am posting it is because, like all things, it is probably not new and, therefore, if someone has had a go at this before, you can point out the pitfalls of the design. All comments welcome, positive or negative.  :) (I always miss something)
https://youtu.be/J1Dj79GQ_O4

13
Tech Forum / Redbeards Garage, Road to horsepower.
« on: 15 Jan 23, 08:15 am »
Morning all.
I thought this might be of interest to the CycleKart community as it has more information than anything I have seen so far on building engines to create more power.
We have a limit on the power we can produce. This is something I agree with totally.

Having said that, very little actual data is out there as to what performance tweak does what, and, how that relates to real life drive-ability of a CycleKart or any vehicle. (that I can find - a lot of anecdotal stuff, but few real numbers)

These new videos from Redbeards garage actually put real figures to tweaks tested both on a dyno and on a minibike.

They have interesting results (such as a silencer attached to a header added power!, A billet flywheel with advanced timing reduced power, especially at lower revs, carbs make the biggest difference)

I think these videos would be helpful as, ideally we need to reach a drive-able 10hp limit with the power and torque in a usable range while not blowing the budget or the engine

I will link the first one, the others follow and he has yet (to press) to release more in the series.

Tell me your thoughts please.
https://youtu.be/tQjitfEMDxM
Jim

14
Tech Forum / Lathe advice and new tool time!
« on: 09 Dec 22, 07:10 am »
Morning all and seasons greetings!
Just scored some beautiful small cast iron axle stands from Marketplace and four chassis punches for a tenner all in. Whilst collecting these, the vendor was starting to clean up a Clarke CL430 metal lathe for sale. They didn't put a price on it but it looked well looked after. (they are downsizing and need to move soon)
Has anyone got any experience with this machine and its value (or otherwise) they would like to share?
Jim

15
Tech Forum / Engine position
« on: 05 Oct 22, 08:45 am »
Just tinkering with a design for a potential CycleKart and put the following together (see vid) Has anyone gone this route with a TAV2 30 and are clearance issues just on the fins or am I missing something??? I would re position the tank.

https://youtu.be/5QKHVvZxWz8

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