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Messages - Kevin Wood

Pages: [1] 2 3 4 5 6 7 8 ... 2332
1
General Car Chat / Re: One for Sir Tigger
« on: Yesterday at 21:48:48 »
Somebody told me the Marina was essentially 1950's design technology tarted up for the early seventies, and passed off as 'new'.

I don't think it pushed the boundary of what was possible in 1971. ;)

I prefer the All-Aggro.......not that it was much better.

Indeed it was. Most of it was Morris Minor bits carrying way more weight and power than they were designed for. Not really surprising it drove like Bambi on ice.
IIRC fleet managers liked the "simplicity" of the Ford RWD cars over the FWD models that had become BL's mainstay so BL tried to get some of that market by attaching bits of junk together. ;D

2
General Car Chat / Re: One for Sir Tigger
« on: Yesterday at 18:44:13 »

Around this time I did quite a lot of miles in an Alfasud 1.5ti. They may have rusted but they handled brilliantly. :y

Marina trivia fact.......the 4 door saloon and 2 door coupe used the same front doors, why is why they look too small on the coupe.

BL saving money, no doubt. ;D

I heard a rumour that BL management promised that the Marina was going to be a "blue sky" design "but we've got all those Landcrab doors to use up...". ;D

Don't knock the mighty shItal. I had a 1.7 Estate it was great as a student. Could pile loads of pi$$ed up engineering students in the back. ;D Not so many laydees, but I'm sure the addition of a mattress would have facilitated that had the opportunity arisen (which, naturally, it wouldn't).

Corners weren't so much fun. The 87 BHP it had, IIRC, was enough to test the chassis well beyond its capabilities. The 1.3 must have been dismal, though.

It was an absolute hoot in the snow.

3
General Car Chat / Re: One for Sir Tigger
« on: 17 January 2022, 22:09:37 »
I'm trying to understand the appeal of a rally car with a 1.3 A series in standard tune. :-\

4
General Car Chat / Re: Oil thread !
« on: 15 January 2022, 16:58:06 »
It'll be fine. Especially as you don't have a DPF. :y

5
General Car Chat / Re: Oil thread !
« on: 15 January 2022, 11:57:05 »
Just looked at the link and far canal! Castrol Edge! You are treating her. She won't thank you, being french. ;)
Pierre is trans?  :o
Well, the modern way is to ask it if it would like to be assigned a gender or remain non binary, apparently. ;D
Apparently, I have two astras. Actually just one, but it is non binary and wants to be referred to as 'they/them'. The garage keeps trying to charge me twice when I book them in for a service.
I bet driving them both there is entertaining. ;D

6
General Car Chat / Re: Oil thread !
« on: 15 January 2022, 11:32:18 »
Just looked at the link and far canal! Castrol Edge! You are treating her. She won't thank you, being french. ;)
Pierre is trans?  :o
Well, the modern way is to ask it if it would like to be assigned a gender or remain non binary, apparently. ;D

7
General Car Chat / Re: Oil thread !
« on: 15 January 2022, 11:17:48 »
Just looked at the link and far canal! Castrol Edge! You are treating her. She won't thank you, being french. ;)

8
General Car Chat / Re: Oil thread !
« on: 15 January 2022, 11:15:14 »
It shouldn't make much practical difference. 0w30 is just a little runnier when cold than 5w30.

Surprised you splashed out instead of finding a suitable chip pan to empty into it, TBH. ;)

9
General Car Chat / Re: Major Service Woe or Two
« on: 14 January 2022, 23:49:18 »
Interestingly, I have discovered that the Audi Totally Frigging Stupid Idea lump has two plugs per cylinder... As does the 2008 ish 5.7 Hemi lump :D
And the Continental IO 520... From the late '60s 8)

So no, apparently not just a Mercedes thing  :y

Pretty much all aero engines do.. for redundancy.

10
General Car Chat / Re: Major Service Woe or Two
« on: 13 January 2022, 22:02:08 »
If you fed two plugs off a single coil only one plug would fire most of the time  :y

That's not strictly true. As long as there is a circuit from one terminal of the coil back to the other terminal, it'll fire. The second terminal doesn't have to be a chassis/ground potential.

I can name at least one case where the circuit goes coil+ve -> spark plug1 tip - >spark plug1 threads -> cylinder head ->spark plug2 threads -> spark plug2 tip -> coil-ve.

Both spark plugs 1&2 fire every time at the same time. One cylinder is at the top of the exhaust stroke, whilst the other is at the top of the compression stroke. Although the exhaust stroke spark is wasted (hence the term wasted spark), it takes very little energy to fire it when it's surrounded by hot combustion gasses, so the energy loss is minimal.

It makes spark timing simpler - you can do the timing off the crank (rather than the cam) since you don't need to know if the piston is in the compression or exhaust phase of the 4 strokes.

No idea if that's how a Smart car works though.

What you describe is how a wasted spark coil works. One plug of the pair is always in a cylinder on its exhaust stroke, so it has no compression, and needs a much lower voltage to break down than the one that has full compression pressure on it, hence both plugs fire but most of the energy from the coil goes to the one under compression since it has a much higher voltage across it by the time it fires.

If you connected two in the same cylinder, in parallel, to a coil on a twin spark setup like the Smart, you'd only ever get the "easiest" plug firing since the current would take the path of least resistance, hence you need a pair of coils.

11
General Discussion Area / Re: Caught out by the wind
« on: 09 January 2022, 19:03:58 »
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D

12
General Discussion Area / Re: Caught out by the wind
« on: 09 January 2022, 17:28:12 »
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D

13
General Car Chat / Re: sat nav woe
« on: 09 January 2022, 17:26:40 »
I see a few older Hondas with Satnav are having clock troubles since rolling into 2022, with clocks reseting to 2002.  Though that software glitch smacks of the same signed integer overflow that killed many MS Exchange servers on New Years Day.

My Jag clock is safe from such things, seeing as has no option to automatically sync the time with anything  >:(

.. and if it's anything like mine, can't keep time reliably anyway. ;D

14
General Discussion Area / Re: Hearing aids
« on: 05 January 2022, 20:05:19 »
Doug the farmer is profoundly deaf but will not invest in a hearing aid despite being absolutely loaded
If profoundly deaf, its probable a hearing aid would not help matters sufficiently to make 1 or 2 worthwhile.

They work best for people who are slightly hard of hearing, or those that have a poor (but not no) response of certain frequencies.

My Dad would probably disagree. He's worn 2 hearing aids for most of his life and has practIcally nothing without them. I think he told me once that his rolls off to -60db long before 1 KHz. They can do all sorts of tricks like shifting frequency ranges around but do need to be properly set up by an audiologist. He's never gone in for anything fancy with bluetooth - just the behind-the-ear NHS jobs. (I doubt he'd get on well using a phone in any circumstances without lip reading and he's long since been unable to appreciate music).

15
General Discussion Area / Re: A wasted week
« on: 05 January 2022, 07:28:16 »
It took me long enough to faff about getting mythtv to work that, by the time I'd got something half working, I'd realised there's nothing on TV worth recording anyway. I never managed to throw enough computing power at it for it to not run like a total dog.  :(

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