We had a really good one on the boat, calibrated to 0.01 ohms. Turns out they want to be able to accurately measure temperature in the reactor for some reason...
Great video. When my MGB is full, the indicator only shows around 3/4. I've been assuming it was the tank float needed replacing (or the indicator itself) and hadn't realised they're adjustable. I might have to take a look
Thanks! I have to look into the float sender. I think it may be adjustable as well so it may still be your float. I believe that Part 2 of the Gentlemen's guide will have some info.
Very useful Chris, thanks! I’m struggling with the temp gauge, i tried 2 sensors one reads high, the other way too high, so i will adjust the gauge using your guidance.
Hi Chris, Hi Chris, As I was watching your excellent gauge adjustment video I noticed that you were using a bench top power supply to run your test. The original style voltage stabilizer actually produces an oscillating output, not a constant 10VDC. I would suggest that you remove the voltage stabilizer from you Spitfire wire that between your bench top supply and the load to get a more realistic supply voltage. If you are interested, I make a rebuilt voltage stabilizer using customer supplied voltage stabilizers. I spent about a year developing it and have sold over 100 so far with zero returns. I have a few videos of my voltage stabilizer on my UA-cam channel DavesTR4A if you are interested. Great videos Chris! Dave
Good point, Dave. I didn't think about that old school regulator giving a variable output. I think I still have the stabilizer on the 4's harness, so I'll grab that and see if I see any difference. I do know you remake the old regulators. It's on my list to send you one to rebuild for me! But, I didn't know you had a video, so I'll check that out. Thanks, Dave and thanks for watching!
And I assume you would want to set the power supply to feed a typical on-the-road voltage, like 13.5v, so the stabilizer will actually be working and oscillating.
I don't have any video links, but when I re-did my Spitfire's speedo I used this document: obswww.unige.ch/~wildif/cars/docs/Smith-jaeger_speedo_repair.pdf It's pretty good and goes into the different styles. You can probably find a video, but I don't have any to recommend. Good luck!
That's really interesting, I had no idea they were adjustable. Thanks for another lesson in working with the electronics of these cars.
Thanks, Barry. It was a fun little project. Very simple design that is obviously quite robust.
Decade boxes rock! I have some nice vintage ones at work
We had a really good one on the boat, calibrated to 0.01 ohms. Turns out they want to be able to accurately measure temperature in the reactor for some reason...
Good information and you explained it very well
Thank you. I tend to geek out on stuff like this. Cheers!
Great video. When my MGB is full, the indicator only shows around 3/4. I've been assuming it was the tank float needed replacing (or the indicator itself) and hadn't realised they're adjustable. I might have to take a look
Thanks! I have to look into the float sender. I think it may be adjustable as well so it may still be your float. I believe that Part 2 of the Gentlemen's guide will have some info.
Very useful Chris, thanks! I’m struggling with the temp gauge, i tried 2 sensors one reads high, the other way too high, so i will adjust the gauge using your guidance.
Glad it helped. Good luck getting them calibrated!
Hi Chris,
Hi Chris,
As I was watching your excellent gauge adjustment video I noticed that you were using a bench top power supply to run your test. The original style voltage stabilizer actually produces an oscillating output, not a constant 10VDC.
I would suggest that you remove the voltage stabilizer from you Spitfire wire that between your bench top supply and the load to get a more realistic supply voltage.
If you are interested, I make a rebuilt voltage stabilizer using customer supplied voltage stabilizers.
I spent about a year developing it and have sold over 100 so far with zero returns.
I have a few videos of my voltage stabilizer on my UA-cam channel DavesTR4A if you are interested.
Great videos Chris!
Dave
Good point, Dave. I didn't think about that old school regulator giving a variable output. I think I still have the stabilizer on the 4's harness, so I'll grab that and see if I see any difference. I do know you remake the old regulators. It's on my list to send you one to rebuild for me! But, I didn't know you had a video, so I'll check that out. Thanks, Dave and thanks for watching!
And I assume you would want to set the power supply to feed a typical on-the-road voltage, like 13.5v, so the stabilizer will actually be working and oscillating.
@@jarodofficer Yes, that's what I did. Seemed to work.
Hi Chris. Do you have any videos or links to the process to dismantle and repair a Smith Jaeger speedometer for these spitfires?
I don't have any video links, but when I re-did my Spitfire's speedo I used this document: obswww.unige.ch/~wildif/cars/docs/Smith-jaeger_speedo_repair.pdf
It's pretty good and goes into the different styles. You can probably find a video, but I don't have any to recommend. Good luck!
@@roundtailrestoration thank you very much!