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1

General Discussion Area / Re: Super Fuse?

« on: 01 June 2020, 20:46:00 »

A 13 amp fuse is just that, to protect a cable up to that rating.

You would be bloody mad to think you could somehow "up-grade cable" and exceed 13 amp loading just because these fuses are rated "Super fuse"!!

One would think so, but on my degree course a large part of one module was taken up with "fuses" !!  In the lab we could consistently get a 13 amp fuse to take up to 25 amps without blowing, especially if the current was increased slowly, pulsed and cooling applied to the "fuse" !!  So called "fast blow" fuses would regularly fail at around 11 amps !

Remember .. a fuse "blowing" is simply the wire overheating and melting ... the quality of the wire, the rate of heat dissapation v the rate of heat application, and even the style, quality and position of the fuse holder all make a big difference to the actual thermodynamics of the item !!

The other thing folks forget is a 13 amp fuse is designed to CARRY 13 amps .. not fail at 13 amps .. it should fail at 13+ a tad .. but they all have "leeway" depending on how well they are made.

If fuses were as good as some folk think they are then electrical items would never catch fire ...  but they do, with regular, and dangerous, monotony

What everyone forgets is the fuse is NOT to protect the device, it is to protect the supply.

I knew as I have already said it is protection for the cable

And also the internal earth connections and bond wires of a class 1 electrical product (which relies on an earth connection to protect against electric shock); anything supplied with a BS1363 plug has to be tested at 25A down the earth conductor for a minimum of 100 seconds without catching fire or otherwise becoming dangerous to give the fuse enough time to disconnect the fault.

2

General Discussion Area / Re: Aldi

« on: 25 May 2020, 20:09:27 »

You've not seen TB with a tow pole have you? 

you know me ,I'm not one to gossip 

 Do tell 

I didnt see him use my tow pole, but I was presented with a brand new one when he had finished. 

3

General Discussion Area / Re: So what have you done today during lockdown?

« on: 18 April 2020, 12:03:42 »

I found this machine hiding under the kitchen sink ....

Excellent machines for cleaning cylinder heads, also worth a look under the sink for some oven cleaner....removes carbon deposits a treat.

4

General Car Chat / Re: Unusual one with the Zaf this morning

« on: 15 May 2018, 16:57:12 »

As soon as the pedal moves down slightly then the port from the reservoir into the cylinder closes so you cant force fluid through the way you were trying. Got to be with the pedal up. Would have to be a serious leak for this to work anyway.
If you can get to the bleed screw and bleed the system...or ideally push fluid IN through the bleed screw until it comes out of the header then you should have a working clutch for a day or so.

Fuse19...do you want me to bring the engine beam on Thursday???

5

General Car Chat / Re: So what have you done to your car today?

« on: 12 November 2017, 19:41:43 »

Perhaps not 10 000 but.... the front screws will be rusted corroded into the crossmember and the rear ones will just spin the tin plate captive nut around and around.

6

General Car Chat / Re: 2003 Corsa.....wipers not working.

« on: 18 July 2017, 19:17:22 »

"I'm tempted to persuade the linkage to move with a large impacting implement"

Not a good move, the wiper spindles are steel, the housing they are supposed to turn in are made of the very finest monkey metal. Heat and gentle persuasion usually works best.
Once dismantled and de-rusted you can try to fit new O rings but in my experience there was no where left for them to locate...lots of grease was applied and was still working 5 years later, out lasted terminal corrosion to the bulkhead.

7

General Discussion Area / Re: Imperial weights and measures

« on: 15 March 2017, 20:29:17 »

Nothing wrong with imperial measurements providing that you were brought up with them. I quite like the idea of the FFF system of units, that is the Furlong, Furkin and Fortnight.

We have a machine at the GCRN that has a metric engine, metric axles, imperial (UNF) gearbox and imperial (Whitworth / BSF) chassis fittings. This is OK once you know which bit you are working on and get the right tools but last week I found brake hydraulic fittings with UNF threads but metric hex sizes - presumably because they had metric hex bar in stock the week it was made.

8

General Car Chat / Re: Battlebus performance, thankyou Marks DTM Calib

« on: 11 March 2017, 14:41:32 »

From the state of the inlet manifold it looked like you had been trying to run it on coal dust.

Oh, and from the paint code it would appear that the car is actually that rare silver colour though you wouldn't know by looking at it.

9

General Car Chat / Re: Which car has been you favourite to own/drive.......

« on: 08 February 2017, 19:24:11 »

My all-time favourite  would be the Alfa Guilia 1.6 twin cam on Delortos - but not on a winter cold-start. (It lived outside and did not thank me for it).

Most regret at selling could be either the E93a Ford Pop, uprated with a 10HP van engine and transmission and the optional heater assembly or the '64 Zodiac ex-Police fitted with triple brass SUs and a valve radio. The Zodiac had advanced tinworm and was knackered in every department, the Pop had woodworm  in addition to tinworm so perhaps I did well to move them on.

Most fun was my '66 Hillman Imp Super, lowered, cambered, part space-framed, Greetham 998 Gp6 engine on twin 45mm twin choke Delortos, Aston Martin "silencer", Hewland gearbox and 10500 rpm available. Far more performance than I had talent for but great, if anti-social, fun.

10

General Discussion Area / Re: Block Paving Oil Stain Remover - Any Recommendations?

« on: 17 August 2016, 20:37:52 »

Tried lifting the stained blocks and turning them over?

11

Omega General Help / Re: ignition switch

« on: 16 August 2016, 20:04:30 »

No reprogramming needed.
If it is an immobiliser issue then the EML will be flashing whilst the engine is cranking.
This is likely to be a missed connector or a poor connection somewhere - you will have disturbed a lot of wiring if you took the complete dash out.
Have a good look at the connectors, one of the pins may have been pushed back within the outer shell.

12

General Car Chat / Re: remember vauxhall cresta,s

« on: 05 July 2016, 21:10:01 »

I had the more rounded Cresta, came out before the PA. Leather bench seats and 3-speed column change. Two tone green, also had a valve radio!
The chrome was peeling off the bumpers in sheets, I was told that there was a nickel shortage so Vauxhall had plated directly onto steel - chrome is porous so the steel rusted under the chrome.

13

General Discussion Area / Re: Best cars to own are mostly Renaults

« on: 22 April 2016, 14:03:33 »

Dare I go back a few years and mention MY Renault 4? I'm sure it was 850cc. not 750, but what's 100cc between friends?
It wasn't just a runabout either; it did around 30k miles per year for my job......

Ron.

R4L then, with 4 speed box unlike the R4 which only had 3.....and a 0-60 time which was marked n/a in AutoCar mag.

14

General Discussion Area / Re: Best cars to own are mostly Renaults

« on: 22 April 2016, 13:50:31 »

Renaults previously owned:

4 (750cc)
4 (1100cc)
6
4 van

Without the above my skill at welding thin steel to rusty steel would not be as good.

11 TXE
21 TXI

The above two improved my electrical diagnostic skills and the 21TXI taught me how to cope with random total brake failure and how to restart the Televes power brake system whilst at 70mph on the motorway.

15

General Car Chat / Re: Meriva P.A.S. problems.

« on: 22 April 2016, 13:38:55 »

Oh, and calibration is simply swinging the steering from lock to lock.