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Author Topic: Bugatti Type 37 Build  (Read 933 times)

StefanN

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Re: Bugatti Type 37 Build
« Reply #15 on: 24 February 2019, 07:55:54 pm »
U-bolts made and switched on front axle.  Brake hose connected and bled...but brakes not working yet (hmmm).  Steering column bearing added.  Crankcase gasket replaced and engine run for the first time.  Torque convertor fitted.  Bolts all checked and Nylocks added where needed.

The Comet sprocket is directly above the main sprocket so current method of adjusting the tension won't work without masses of movement.   The chain is either too loose, or now about 3mm too short so re-thinking the engine mount.  Won't be a complete rework but does need a little rethink.

One day soon we'll drive the thing...one day soon.
« Last Edit: 01 April 2019, 07:03:41 pm by StefanN »
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StefanN

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Re: Bugatti Type 37 Build - transportation
« Reply #16 on: 23 March 2019, 09:32:19 pm »
I needed to sort transportation for my CK so tried my ageing Ford Galaxy.  It fits, but the boot was open more than I wanted.  With the front wheels off and the front cinched down to anchor points in the boot, it fits with the boot only open a little.   I made a connecting bar to go from the boot door latch hold the door in position, based on something similar  I'd seen for dog owners to create ventilation for their dogs if they leave them in the car.

Also worked on the brakes, which were much better but still not good enough.  Going to switch to a single pot calliper at the back which hopefully will better match the master cylinder.  The calliper I've bought also has a mechanical parking brake on it, so that might work out nicely.
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Steve Cole

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Re: Bugatti Type 37 Build
« Reply #17 on: 23 March 2019, 11:53:44 pm »
Amazing....a CycleKart into a Ford Galaxy,
I think it should be really named a Ford Tardis 🤔
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Graham Hill

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Re: Bugatti Type 37 Build
« Reply #18 on: 24 March 2019, 09:44:08 am »
I rate that a success Stefan. But have you both got your chins on the dashboard?  :D
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RhysN

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Re: Bugatti Type 37 Build
« Reply #19 on: 24 March 2019, 11:37:31 am »
One of the guys in the VSCC does something similar, he has had a PVC cover made to attach all round, and some struts to hold the tailgate open where it needs to be.
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Chris Brown

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Re: Bugatti Type 37 Build
« Reply #20 on: 24 March 2019, 03:12:33 pm »
Just bear in mind you can draw exhaust fumes in through the tailgate, keep the dash vents open and open the rear door windows slightly to maintain a through flow. You probably already realize that, but better to mention it than not.
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Marek.Z.N

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Re: Bugatti Type 37 Build - steering wheel mini build
« Reply #21 on: 01 April 2019, 06:27:16 pm »
Hi all,
For Dad and my Bugatti build I have been put in charge of the steering wheel (which will replace the current..... interesting? wheel). it will be made of 4mm sheet aluminium and wood. To start with I created a cardboard mockup of the wheel to work out my measurements and then transferred that to the sheet of aluminium with a compass and scribe. Then I cut the outer edge using a jigsaw leaving about a millimetre to file down when finished. Anyone else building an aluminium wheel learn from my mistakes and use cutting lubricant/coolant otherwise the metal melts extremely quickly and ruins your blades. I have also cut out the parts between the spokes of the steering wheel but am trying to work out a faster way of filing down to the desired size without the risk of over cutting with a saw and ruining all the effort put in so far. If anyone has any suggestions for how I could do this I would appreciate it. Also any ideas with cutting, attaching and shaping the wood would be appreciated greatly. :)
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StefanN

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Re: Bugatti Type 37 Build - video analysis
« Reply #22 on: 02 April 2019, 08:20:01 pm »
The meet up in Coventry was a great opportunity to drive the CK a bit.   Basically it all worked but it was really interesting to watch the video of it turning in slow motion because I could see how much movement there is in the front wheels.  My steering box has developed lots of play and the king pin arrangement has too much slack in it.

The key thing is that I'm confident the brake works enough and will improve when I bleed it some more.   Next step is to strip down the CK, weld the tacked on brake bracket and then clean and paint the chassis.  Then we'll reassemble the whole thing and start on the bodywork.

I need to come up with a solution to the king pin play, and also dismantle my steering box to see if I figure where the steering play has come from.
« Last Edit: 02 April 2019, 11:14:43 pm by StefanN »
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Steve Cole

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Re: Bugatti Type 37 Build
« Reply #23 on: 02 April 2019, 09:54:38 pm »
Yes the play can be sorted , the tube that the bolt goes in needs to be drilled out of a piece of round bar in a lathe rather than just a piece of tubing that’s close in size
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Rich T

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Re: Bugatti Type 37 Build
« Reply #24 on: 04 April 2019, 08:00:10 am »
Bit confused where you might have King pin play.
 If you used a Gemeni axle, did you use their King Pin Spacer (& top hats)

https://www.geminikarts.co.uk/product/king-pin-spacer/

Cheers Rich
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Graham Hill

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Re: Bugatti Type 37 Build
« Reply #25 on: 04 April 2019, 10:38:39 am »
 Hi Rich. I think you are correct, there should be no reason for king-pin play using the correct components. I am in touch with Gemini and am visiting with them to confirm this. Cheers
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Rich T

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Re: Bugatti Type 37 Build
« Reply #26 on: 04 April 2019, 12:36:28 pm »
If you think the play is in the bolt, use a proper precision 10mm shoulder/M8 thread Shoulder Bolt (Shoulder Screw).
They would measure 10mm, unlike a common bolt.

Cheers Rich
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StefanN

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Re: Bugatti Type 37 Build
« Reply #27 on: 05 April 2019, 11:29:23 am »
Thanks for the ideas Rich.  I'll report back when I've figured out what's happening.

In the meantime, I've stripped the Bugatti right back and painted the chassis with Hammerite Smooth.  It's just as well most of it will not be visible because its anything but "smooth" - I used a brush.  Is there a trick to getting just the right amount on so it covers but doesn't sag?

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Chris Brown

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Re: Bugatti Type 37 Build
« Reply #28 on: 05 April 2019, 11:41:02 am »
I've never had much joy with Hammerite, for exactly the same reasons. I tend to use Blackfriars these days, does the job, and cheaper.
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Rich T

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Re: Bugatti Type 37 Build
« Reply #29 on: 05 April 2019, 03:51:42 pm »
Hammerite....In the past, I’ve had some “luck” with both smooth & the other type, using cheap oven cleaning/washing up sponges (the sponge side), and dab it on!  The smooth has dried smooth!
I Can only suggest try it on a test/practice piece and see if the technique works for you?

Cheers Rich
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