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Author Topic: Maserati CT8 build  (Read 4112 times)

dunworkin

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Maserati CT8 build
« on: 27 September 2020, 05:33:16 pm »
Ok getting started here, got a couple of front wheels and picking up an axle from Gemini in the week. I've explored various options for front suspension and keep coming back to coil overs, compact, adjustable and cheap.
Not cut any metal yet but mocked up what I think will work AND locate the front axle, will also have radius rods close to kingpins. I used something similar to this to mount the shocks for a transverse leaf hotrod, tucked away out of sight for a clean look, worked well.
I've used a 3:1 ratio for the bell crank as that's what my mountain bike has, may need to tinker as I have discovered that longer coil overs have a higher Spring rate.
I ll be getting steel cut and welded up in to basic chassis in the week, then onto the front end.
I seem to be only able to post one pic at a time !

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Marek.Z.N

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Re: Maserati CT8 build
« Reply #1 on: 27 September 2020, 09:31:26 pm »
Looks like a great design. I havent seen that style on a cyclekart before, especially not in the UK. Graham Appleyard uses coilovers on his brooklands special and that seems to drive amazingly. That being said, leaf spring karts also run amazingly

StefanN

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Re: Maserati CT8 build
« Reply #2 on: 27 September 2020, 11:20:36 pm »
I seem to be only able to post one pic at a time !

Looking forward to following your build.

You can load more pictures by clicking on "more attachments"

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dunworkin

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Re: Maserati CT8 build
« Reply #3 on: 28 September 2020, 10:34:16 am »
Just a few pics of my beautiful "inspiration" car taken in 2003!

dunworkin

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Re: Maserati CT8 build
« Reply #4 on: 02 December 2020, 12:02:48 pm »
About time I updated on here and not just FB....Project is on pause at the moment as other projects are able to progress now that parts have arrived.
Chassis is welded 75X50 box that was plasma cut to create channel section, plenty of 50mm holes saving about 2kg weight, probably not worth it for that but looks cool.
The front axle is from Gemini with 25mm king pin tubes, brass bushes and 1/2" unf bolt. The 4 bars are 19mm 2mm wall tube with 10mm rod ends, seems to locate it well with no caster change through suspension movement .  The springs are in fact rubber bands as used on Speedway bikes, £2.20 each ! Time will tell how well they work but can be replaced by bungee cord if need be. They are also self damping as a bonus.
Had some fun with the steering as setting it up as per racing karts worked but toe in/out changed with suspension movement, probably OK in a CK but changed it anyway as I've used on T bucket hotrod.
The steering wheel is cut from 1/8" duraluminium ive had kicking about for years and is inspired by the original Maserati, ive never seen this type of design anywhere else. QR from China for a tenner ! Just got to put a wooden rim on, I binned the first attempt using some salvaged hardwood that **** and split soon as look at it, let alone put a screw in, scrap pallets are only good for burning !
Had a tally up and I'm just short of £200 spend, but I had all the steel left over from other projects. 34 hours spent so far, Im used to keeping a record for my paying jobs !
Im going to be looking for a rear axle and wheels, tyres and of course an engine in the new year if anyone has anything spare !
« Last Edit: 02 December 2020, 12:24:58 pm by dunworkin »

dunworkin

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Re: Maserati CT8 build
« Reply #5 on: 02 December 2020, 12:05:41 pm »
pics didn't load

dunworkin

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Re: Maserati CT8 build
« Reply #6 on: 02 December 2020, 12:12:36 pm »
another

dunworkin

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Re: Maserati CT8 build
« Reply #7 on: 02 December 2020, 12:14:00 pm »
another

dunworkin

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Re: Maserati CT8 build
« Reply #8 on: 02 December 2020, 12:20:58 pm »
last one

Mark Under

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Re: Maserati CT8 build
« Reply #9 on: 02 December 2020, 07:50:33 pm »
Looking Good!  I hope mine comes out as well!

Graham Hill

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Re: Maserati CT8 build
« Reply #10 on: 02 December 2020, 08:19:51 pm »
Thanks for taking the time to update this forum, I personally think this is the best location to create an archive of individual builds. It's looking great by the way!.
I have been following a lot of innovative activity on here recently, I'm sure it's creating a lot of new interest. Looking forward to seeing the products next year.
I'll post a suggested 2021 events calendar soon.

synthpunk

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Re: Maserati CT8 build
« Reply #11 on: 05 December 2020, 08:11:50 pm »
I love the steering wheel, thats a work of art. In fact it all looks brilliant. Top work!

Duralumin is nice stuff isnt it? Sort of pewter coloured when it oxidises and lustres up. I have a couple of very rare model steam boat engines made of Duralumin, made probably just post war. The rumour is they were made of melted down scrapped rolls royce aero engine pistons from the scrapyard next to the factory. Anyways- 70 years later they look lovely.

RhysN

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Re: Maserati CT8 build
« Reply #12 on: 06 December 2020, 09:44:29 am »
According to Donald Healey some parts of Healey front suspension (prior to Austin Healey) were made of pistominium, the material just mentioned.

dunworkin

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Re: Maserati CT8 build
« Reply #13 on: 06 December 2020, 02:45:36 pm »
It is lovely stuff  to work with ! I acquired quite a lot of industrial off cuts years ago. Melted a lot down for casting projects, gave some to mates and so only got a small amount left. Not straight forward to weld though, my ally welding man said don't bring him any more of that, but could he have a few discs for pizza trays !!!!

sjc56

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Re: Maserati CT8 build
« Reply #14 on: 07 December 2020, 10:24:19 am »
Your chassis is looking really good,
 out of interest does your stub axles bring the camber back to zero and what sort of caster have you    built in. Cheers
Stuart