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Messages - McCabe-Thiele (Ted)

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31
CB350/400 / Re: Arcing points
« on: March 23, 2024, 05:20:31 PM »
Interesting arguments on this site about the wiring illustration being wrong before it decends into a slanging match!

https://classicmechanic.blogspot.com/2011/03/ignition.html

32
CB350/400 / Re: Arcing points
« on: March 23, 2024, 05:03:51 PM »
I've seen car distributors in the past with capacitors mounted on the outside of the casings rather than inside next to the points.

This link shows the 0.22 Micro Farad value.
 https://www.jalopyjournal.com/forum/threads/points-ignition-condenser-question.1237753/

Some interesting comments on this post about the same issues.

https://www.britbike.com/forums/ubbthreads.php/topics/746022/re-what-the-purpose-of-a-condenser-in-the-ing-sys

33
CB500/550 / Re: One for Laverda Dave !
« on: March 23, 2024, 04:28:32 PM »
Blimey Ash, I know Dinkey Toys are more valuable with the original box - not sure about a 400 though.🤔🤔🤔

34
CB350/400 / Re: Arcing points
« on: March 23, 2024, 01:09:49 PM »
I found this interesting - not just bikes that have issues with condenser quality.

https://www.physicsforums.com/threads/death-of-a-condenser-with-autopsy.877969/

35
CB350/400 / Re: Arcing points
« on: March 23, 2024, 12:25:28 PM »
The back Electro Motive Force (EMF) doing it best to maintain an electrical circuit as it is switched off.
Takes me back to A level Physics.

36
Unfortunately our airing cupboard has no space for the boilers due to the slope of the bedroom roof.

Ideally I want to keep my hot water tank & immersion. I'm not keen on mains hot water  pressure on my 50 year-old radiator pipes.

37
Our condensate pipe was replaced in 2018 by the contractors following our house fire in Nov 2017.
They fitted a more rigid type of translucent pipe that is routed through the rear of our fireplace into the kitchen waste water system where it is connected by a neat bespoke connector similar to the Speedfit type of unit.

38
Boiler stopped working again yesterday fault code E158 - condensate system again.
Fixed this afternoon by Baxi engineer - poor connection on condensate pump.

Baxi Condensing Boiler is 9 years old this year with the current BBU 15 HE (lounge back boiler unit) now out of production.
I suspect getting boiler breakdown/service insurance cover might be unavailable once it's ten years old.

We are limited as to where we can fit a replacement normal condensing boiler as the lounge unit is in the centre of the house using a special plastic double chimney arrangement to draw in fresh air in from the chimney top.

I do not want a boiler unit in either of our upstairs bedrooms or in the bathroom (too small anyway.) The front lounge /room is not really suitable that leaves only the kitchen (major rework)or at a push the downstairs toilet.

Only option I can see would be in the loft but access for servicing is less than ideal not to mention all the pipework being re-routed.

Aside from the price a heat pump would have to be piped from the rear garden through our Conservatory that spans the whole of the rear of our home. We are well insulated - all our Porcelain floors would have to be dug up to fit underfloor heating anywhere.

The future might have to be Night Storage with no doubt a load of re-wiring as a 13 amp socket is probably not good enough.






39
CB350/400 / Re: CB400F rear seat rubber
« on: March 22, 2024, 05:14:12 PM »
I used a broad cable tie as suggested previously by NJ.
I have left mine in place as it's not in the way.

40
CB750 / Re: Regulator Rectifier
« on: March 22, 2024, 04:34:39 PM »
I will try that do you have to reset after that

After I cleaned my regulator points the voltage output was actually a tad higher so I changed nothing.
Can't remember the actual figures now it was a couple of years ago.

41
CB750 / Re: Regulator Rectifier
« on: March 22, 2024, 03:38:11 PM »
I cleaned my contacts up using a nail board to remove the high spots.

42
CB350/400 / Re: Arcing points
« on: March 22, 2024, 03:35:33 PM »
I agree with the most likely cause being the Condenser,

My 500 had an extra pair of condensors fitted externally at the coil ends fitted by the PO as an experiemnt.

As I only rode the bike for about 30 miles before the current rebuild I am unable to say if this improved things.

43
CB750 / Re: Regulator Rectifier
« on: March 22, 2024, 03:12:43 PM »
I looked at one of those during my 400 build - decided against as there will be some different/ new wiring connection needed. I just tinkered with the regulator to raise the voltage a tad.

44
CB500/550 / Re: Broken valve tappet covers
« on: March 22, 2024, 03:09:02 PM »
Just a thought

Are you sure it's a crack that is visible on both sides of the casing & not an internal casting mark?

45
Misc / Open / Re: Barn find!
« on: March 21, 2024, 11:55:15 AM »
You will enjoy doing a restoration job on that Johnny especially with the family history.

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