Author Topic: Bédélia  (Read 1111 times)

Tinworm

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Re: Bédélia
« Reply #60 on: 29 Aug 22, 12:04 pm »
Hi Pete, I can turn a collar that is a press fit on the stub and weld it both sides. It will just need to be welded
to your tube.

Great leap forward, thanks to Jim, who machined his stub axles to take some collars which, once welded to the stubs, then meant that they fitted inside the ends of my 40mm CDS axle.

I now have a finished front axle! So I am not far off fitting my wheels - and then it will actually look like a car, finally!

Thanks Jim
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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Re: Bédélia - front axle
« Reply #61 on: 30 Aug 22, 08:56 pm »
I have made my spacers and fitted them between my bearings on my front axle (with stub axles machined and welded by Jim). Starting to feel and look like a car!
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

jim

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Re: Bédélia
« Reply #62 on: 31 Aug 22, 05:44 am »
That's looking real good Pete and will be a great addition to the club stand at Sywell. I hope you get it to a stage to demonstrate it on the  runway.

Jimr1999

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Re: Bédélia
« Reply #63 on: 31 Aug 22, 06:54 am »
Coming on strong now Pete - not long until you can roll it about, that stage made life so much easier in my garage.
Looking good!
... You can lead a horse to water, but a pencil must be lead.

Tinworm

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Re: Bédélia
« Reply #64 on: 31 Aug 22, 08:26 am »
That's looking real good Pete and will be a great addition to the club stand at Sywell. I hope you get it to a stage to demonstrate it on the  runway.

cheers :)
Me too....though I may need a tow ;)
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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Re: Bédélia
« Reply #65 on: 31 Aug 22, 08:27 am »
Coming on strong now Pete - not long until you can roll it about, that stage made life so much easier in my garage.
Looking good!

:)
thanks
Yeah, being able to move it round will be a huge advantage
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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Re: Bédélia
« Reply #66 on: 29 Sep 22, 02:04 pm »
after the very huge privilege of being on the Sywell stand, and buoyed up by everyone's kind comments and advice, I am now working to finish the kart (as well as lay a floor and paint the house, which I promised Lucy would be priorities after Sywell)

Chris L gave me loads of guidance about brakes and on his recommendation, I have ordered a master cylinder + caliper set on ebay (with a reservoir) and a disc plus carrier from Gemini.
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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Re: Bédélia
« Reply #67 on: 01 Oct 22, 03:28 pm »
chuffed to bits, as I am finally a member of the French based, Les Amis de Bédélia, which has members who own and also do not own (but desperately wish they did) a Bedelia, like me.
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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Re: Bédélia
« Reply #68 on: 01 Oct 22, 03:34 pm »
I was just telling Stefan, I still haven't seen a real Bedelia. I have just been interpreting videos and photos. I have been corresponding with the President of the society, Marc Périssé, owner of the green Bedelia in this videohttps://www.youtube.com/watch?v=QwBtTsLsM_0&t=1s
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Tinworm

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front suspension experiments
« Reply #69 on: 16 Oct 22, 07:53 pm »
Two springs make up the front suspension, an upper one and a lower one. But my range of springs is limited. I probably ought to work out the right spring mathematically, by weighing the car (with me in it) and by putting scales at the nose, using the rear axle as a pivot. But I just took a too long spring, compressed it and tried it. It isn't strong enough. Without me in the car it is nose-down. But it feels like real progress.
 see my blog below to see video, which is too large to upload here
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Chris Brown

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Re: Bédélia
« Reply #70 on: 17 Oct 22, 02:00 pm »
If the upright diameter will allow it then you can fit the 30mm spring inside the 40mm one, increasing the spring rate. The 30mm spring is stiffer than the 40mm one so it doesn't matter if it's too short to pre-compress. The extra spring is only needed on the top, no need to stiffen the rebound spring. 

Tinworm

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Re: Bédélia
« Reply #71 on: 17 Oct 22, 08:54 pm »
Thanks very much Chris. They will both fit, but I think the inner spring will be a lot shorter than the outer one. The outer one will need shortening a little (in the video you can see it bending over)

The thing is, if the inner spring doesn't compress unless the car is fully nose down, it won't do an awful lot until the last minute, will it?
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Chris Brown

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Re: Bédélia
« Reply #72 on: 17 Oct 22, 10:39 pm »
I couldn't remember the lengths of the springs I sent you, you could use a spacer sleeve above the 30mm one, just to establish if the combination is somewhere near right.

Tinworm

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Re: Bédélia
« Reply #73 on: 18 Oct 22, 09:52 am »
you could use a spacer sleeve above the 30mm one, just to establish if the combination is somewhere near right.

I think you are right. I think that making such a spacer should be the next thing:  bit of tube with a large washer on the end? Is that what you had in mind?
I don't want to bore you all with the details, here. But if you are interested, have a look at my blog https://peteskart.blogspot.com/

-Peter

Chris Brown

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Re: Bédélia
« Reply #74 on: 18 Oct 22, 03:48 pm »
Yes, even just a piece of tube on it's own as long as it takes up the slack above the spring.