Search found 1115 matches

by Old and Slow
Tue Dec 10, 2019 3:43 pm
Forum: General Technical Discussion
Topic: Can anyone identify these??
Replies: 12
Views: 296

Can anyone identify these??

I have a load of those relays in my "workshop" , mostly made by Davall. they are probably still available from RS or CPC/Farnell The code on the yellow coil wrapper should give a clue to the configuration of the contacts. 185 is the resistance in ohms, 12 is the working voltage. I don't think I have...
by Old and Slow
Mon Dec 09, 2019 7:33 pm
Forum: SS1/SST/Sabre
Topic: 1800 ti tacho resistor
Replies: 15
Views: 287

1800 ti tacho resistor

Did you measure the resistance both ways round, just to make sure it isn't a diode?
I'd love to know.
by Old and Slow
Mon Dec 09, 2019 7:10 pm
Forum: Non-Technical Discussion
Topic: On my Santa list
Replies: 17
Views: 664

On my Santa list

And getting the decimal point one or two places out!! :shock:
All too easy - a picture's worth a thousand words, etc.
by Old and Slow
Mon Dec 09, 2019 7:08 pm
Forum: Events
Topic: Le Jog 2019
Replies: 41
Views: 3413

Le Jog 2019

Great photos, wish I had the drive to do it..
by Old and Slow
Sat Dec 07, 2019 8:46 pm
Forum: Non-Technical Discussion
Topic: On my Santa list
Replies: 17
Views: 664

On my Santa list

Nomograms, don't you just love 'em... :D
I had to get the book out; the one I'm looking at relates torque factor to airscrew diameter to engine speed - perhaps I could fit a model aero-engine in front of the carb and get some boost that way.. 8)
Merry Christmas to all our readers (as they say).
by Old and Slow
Thu Dec 05, 2019 8:19 pm
Forum: SS1/SST/Sabre
Topic: Power loss
Replies: 21
Views: 647

Power loss

A smear of UHU glue on the spigot?
by Old and Slow
Thu Dec 05, 2019 8:18 pm
Forum: Car Shows
Topic: Silverstone Classic 31-Jul - 2-Aug 2020
Replies: 11
Views: 643

Silverstone Classic 31-Jul - 2-Aug 2020

Hi Alex,
If you've looked at last year's pictures you'll see our blue Sabre Six and I have to say that it qualifies as a well-used" example, nowhere near as clean as some (actually all) of the others on the Stand. Looks OK from a distance though!
by Old and Slow
Thu Dec 05, 2019 7:57 pm
Forum: Se5/5a
Topic: Rear hub bearings
Replies: 21
Views: 581

Rear hub bearings

As I understand it...I think the pre-load refers to the shims under the other two small bevel gears (Sun & planet?) which engage with the bevel gears on the inner ends of the half-shafts. If both sets of bevel gears were pre-loaded things could seize up. Also the half-shaft inner ends being splined ...
by Old and Slow
Thu Dec 05, 2019 4:30 pm
Forum: Se5/5a
Topic: Coil Earth
Replies: 20
Views: 473

Coil Earth

Rather than change to an electronic system I'd try to get things working "as is". If the points aren't pulling the coil -ve to ground when closed, you are almost there! If you measure between the spring blade on the points and any earth point and it always stays at 12v whether the points are open or...
by Old and Slow
Thu Dec 05, 2019 4:06 pm
Forum: General Technical Discussion
Topic: SE5a carb and tuning help / guidance please
Replies: 13
Views: 270

SE5a carb and tuning help / guidance please

I think the mechanical fuel pump relies on back-pressure to lift the lever off the cam, so if the fuel needle valve in the carb isn't seating properly you might be over-fuelling.
by Old and Slow
Thu Dec 05, 2019 4:02 pm
Forum: Non-Technical Discussion
Topic: Maybe a daft question - split pin removal
Replies: 37
Views: 562

Maybe a daft question - split pin removal

Nice result; well done.
by Old and Slow
Wed Dec 04, 2019 9:17 pm
Forum: Non-Technical Discussion
Topic: Maybe a daft question - split pin removal
Replies: 37
Views: 562

Maybe a daft question - split pin removal

Depends on how much clearance you have, but...
Could you use a small G Clamp to get behind it and squeeze it out by putting a tube on this side and a bit of turned-down rod on the other to locate in the roll-pin?
It only needs to push out enough to get a grip on?
by Old and Slow
Tue Dec 03, 2019 3:23 pm
Forum: Non-Technical Discussion
Topic: Mystery Car
Replies: 127
Views: 17853

Mystery Car

Well, knock me over with a prickly cactus!!! :)
Looking again at the picture it looks nothing like a Sabra... :shock:
by Old and Slow
Tue Dec 03, 2019 3:20 pm
Forum: Se5/5a
Topic: Coil Earth
Replies: 20
Views: 473

Coil Earth

It might be that the +12v that goes to the points on a solder tag under the screw on the springy side of the points is in the wrong place and is not connecting to the springy bit. If I remember correctly, there's an insulated washer and possibly a nylon nut involved and two tag washers, one for the ...
by Old and Slow
Tue Dec 03, 2019 2:57 pm
Forum: Project Progress
Topic: SE6a french wake up after a long sleep
Replies: 45
Views: 3523

SE6a french wake up after a long sleep

We also say "a lot of play in the valve guides".
I think usual the solution is to fit new valve guides in the head and ream the holes to size. A better expert will be along shortly to explain why your machine shop man says it isn't possible.
Good luck.

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