Author Topic: DTI Challenge.... (Read 63571 times)

John Rudd · « **Reply #25 on:** January 10, 2021, 04:39:26 PM »

Great how we help each other....

Keep it coming....

AdeV · « **Reply #26 on:** January 11, 2021, 03:16:54 AM »

What can I say.... thank you both!

Looks like Eric's got a big donation heading his way soon....

AdeV · « **Reply #27 on:** January 11, 2021, 03:23:46 AM »

BTW - Bob, what does that little lever thing do, just under the dial? I've since discovered I also have a Mitutoyo DTI, along with the Tesa I bought ages ago, and neither of them have that feature on them...

There may also be some questions as to how it ended up in that condition.... short answer is, I have no idea! I don't recall buying it, so I must have acquired it in a job lot of other stuff at some point in the past. I only found it when I was moving literally everything in storage (strengthening the shelves with steel under-bars), and happened to glance in the tub it was sat in. There was some kind of oily gunk in the bottom of it, and this indicator... I don't actually recall having ever seen it before, so it's a true mystery how it came to be in my possession. I'm just really happy to see it brought back from the dead - as Phil said, it would have been so easy to just throw it in the bin... now it gets a second life as a useful indicator once again

Sea.dog · « **Reply #28 on:** January 11, 2021, 04:07:56 AM »

It reverses the direction of operation of the pointer.

vtsteam · « **Reply #29 on:** January 11, 2021, 12:13:28 PM »

Very happy to help -- just plain fun to solve problems -- I think we all feel that way on this forum!

One thing I was curious about was that it was 0 to 80 instead of 0 to 100, unless I got that wrong. I couldn't see for sure, but it looked like 40 was at 6 o'clock, so 0-80 is what I drew up. (if I was wrong, just let me know and I'll re-do it).

AdeV · « **Reply #30 on:** January 11, 2021, 02:09:03 PM »

Quote from: vtsteam on January 11, 2021, 12:13:28 PM

Very happy to help -- just plain fun to solve problems -- I think we all feel that way on this forum!

It's one of the things I like best about this forum!

Quote from: vtsteam on January 11, 2021, 12:13:28 PM

One thing I was curious about was that it was 0 to 80 instead of 0 to 100, unless I got that wrong. I couldn't see for sure, but it looked like 40 was at 6 o'clock, so 0-80 is what I drew up. (if I was wrong, just let me know and I'll re-do it).

So... I had a look at my Mitutoyo earlier, mainly because it's handy here at my desk, and it's graduated the same way- 0-40-0. However, it's a metric dial... so I wonder if this one might be metric too?

Hang on a tic... I'll go grab the Tesa, which I know is imperial... back in a moment.

.

.

Back (phew). So, that's graduated 0 - 4 - 0 (thousandths), with each tick representing a tenth. I wonder, therefore, if this is actually a 0 - 40 - 0 gauge, each tick being 0.01mm? Unfortunately, there's not enough of the dial left to be sure either way...

Maybe the solution here is to invent a new measure; let's base it on the average size of a gnat's reproductive member.... so graduate the dial 0-4-0, where each tick represents 0.1gc (gnat's cock) - so long as I can achieve an accuracy of "within a gnat's cock", I'll be happy

As a side bonus, then it doesn't matter if it's metric or imperial!

vtsteam · « **Reply #31 on:** January 11, 2021, 02:29:29 PM »

Well, Ade, easy enough for me to re-calibrate the dial, unless Bob has already installed the present one.

oops I think I see a "2" on the right about where 25 would be if it was a 0-40-0 --- okay I'll make a new onr for that -- hope it's not too late for Bob -- sorry, should have asked!

vtsteam · « **Reply #32 on:** January 11, 2021, 02:53:00 PM »

Here's an 0-40-0 version in 0001 inches:

vtsteam · « **Reply #33 on:** January 11, 2021, 03:00:21 PM »

And if you think it's mm then I can change the .0001" legend to 0.01mm. Well, work of a moment, I'll do that now, then you'll have a full selection of dials!

vtsteam · « **Reply #34 on:** January 11, 2021, 03:19:35 PM »

Edit -- attachment removed to avoid confusion..

Okay, here's an 0-40-0 with a 0.01mm legend.

krv3000 · « **Reply #35 on:** January 11, 2021, 05:41:44 PM »

hi on you are ok with the diel 40 is at 6 o clock the lil lever as sea dog says It reverses the direction of operation of the pointer. I.E with the lever in one place the probe will only move the pointer one way move the lever to the other side the probe will move the pointer in the other direction will post pics of the diel fitted soon regards bob

djc · « **Reply #36 on:** January 12, 2021, 09:18:52 AM »

Quote from: vtsteam on January 11, 2021, 03:19:35 PM

Okay, here's an 0-40-0 with a 0.01mm legend.

Lovely job.

Please have a look here:

https://www.worthpoint.com/worthopedia/vintage-capp-sons-verdict-0005-dial-244644423

and see how the bar above Verdict is discontinuous.

vtsteam · « **Reply #37 on:** January 12, 2021, 10:46:20 AM »

I could do it no problem, but I don't want to drive bob insane!

Also since I don't actually know whether the gauge is metric or inch, 0-40-0 or 0-80, I don't know which dial to modify.

But if Bob hasn't already applied the dial face, and if he wants, and can tell me which face to modify, I'd be happy to oblige.

AdeV · « **Reply #38 on:** January 12, 2021, 01:00:03 PM »

I'm quite happy that this gauge doesn't look 100% original - it's part of it's story....

That's why I (only half-jokingly) suggested the "Gnat's Cock" measurement system.... I think it'd be cool to have a gauge that showed gnat's cocks - and I know it'd make my dad laugh

krv3000 · « **Reply #39 on:** January 13, 2021, 08:05:25 PM »

i love it when a plan works out its inch by the way still not printed it off yet

vtsteam · « **Reply #40 on:** January 14, 2021, 11:44:48 AM »

Okay great Bob, inch....that narrows it down.

Bob, can you tell from the old face if it was 0-40-0 or 0-80? Just out of curiosity.....

My guess is 0-40-0..... only because it looked to me like there was part of a "2" on the right side, about where second "25" would be on an 0-40-0.

If it were 0-80 that would be a "5" for the beginning of a "55".

But really hard to tell in the photos.

krv3000 · « **Reply #41 on:** January 16, 2021, 07:20:17 PM »

hi its a 0 to 40

krv3000 · « **Reply #42 on:** January 24, 2021, 04:47:01 PM »

sos every one things this end ant bin to good i will get it finisht soon regards bob

Pete. · « **Reply #43 on:** January 24, 2021, 07:14:47 PM »

You take it easy Bob.

When you get better I got a similar Verdict for you to fix

It's in much better nick than that one but it needs a new spring on the lever.

vtsteam · « **Reply #44 on:** January 24, 2021, 08:05:26 PM »

Don't worry, Bob.

krv3000 · « **Reply #45 on:** February 07, 2021, 12:27:00 PM »

hi all just an update got sum ink for the printer and printed out the new face for the D.T.I and its brill thanks vtsteam all bin well will be posting pics tomorrow all back together regards bob

krv3000 · « **Reply #46 on:** February 14, 2021, 05:05:47 PM »

Hi all you will never gess wats happened

its dune lol i must say sorry for it taking such a time to do things that i can not control get in the way any way last pics AdeV it will be in the post tomorrow

awemawson · « **Reply #47 on:** February 14, 2021, 05:22:57 PM »

Absolutely brilliant Bob, great work as usual

Pete. · « **Reply #48 on:** February 14, 2021, 05:31:53 PM »

Nice work Bob. You would never guess it was the same instrument.

vtsteam · « **Reply #49 on:** February 14, 2021, 06:16:43 PM »

Oh, so it was an 0 to 80 then! Lucky I took careful aim with a scattergun!

Looks so different than when it started out, Bob, great work!

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Author Topic: DTI Challenge.... (Read 63571 times)