Hi, my consumer unit is right at the front of the house and the inverter is in a building behind the house maybe 50m. The CT clamp is connected to an OB115 meter near the consumer unit then a cable runs through the house to a LORA radio in the bathroom (rear of the house). The LORA receiver is close to the inverter. I have an ethernet cable down to the building for ethernet which I pulled in some years ago. Pity I did not pull in two as the 2nd could have been used for the CT connection (RS485).

Thanks. That’s a lots of work to get the CT signal. And expense! Would you say it is possible to have an OB115 meter installed with the CT clamp at the house consumer board and then run from that a cat6 cable underground to the inverter some 60m away in the garage.? Lora would be easier, but another £140!

And there you have it.... and it was the same when we lived in caves. 😁

Hi, I have not tried to use a dividing head like that. In principle it may be fine. The screw is 40:1 so the feed should be fine enough but as you say it may jiggle/chatter, though the backlash is low. And it depends on the material and radius of the groove and the cut. I would not hesitate on delrin or brass. Something harder may be a problem, but if we are talking just an o-ring groove then maybe that may be fine too. Sometime I may try it. Cheers

Hi Carl, it's is a bit of a rough old dog but it will chew through big stock (up to 6in diameter) all day long. Cheers Paul

Hi Sayam, please note I'm only a DIY-er. People have commented about possible condensation forming on the wall behind the insulation but after 19 months I've not experienced any problems. Cheers

@@HaxbyShed No worries, still good content. I was reading that a vapour barrier would help condensation from not forming on the wall. One of the reason the insulated plasterboard are bought as one solution is they normally included a vapour layer. You may not know there is water on the wall behind the insulation unless you take it off. But if it’s a party wall you might be safer against condensation.

Thank you 👍

Hi Andrew, when you boil it down there is not a lot to it. I just made it sound complicated 😎

Hi Dave, I like to understand things in detail but honestly if you stick to some basic steps it's quite straight forward. Cheers Paul

Hi hobbyengineer, send me an email and I'll send it to you. My email is in the 'about' section on my channel page. Maybe you will have to use the web browser - I don't think you can get to it on the phone app or TV. Cheers

Hiya, yes I could but I think it might be the least accurate way? I am sure there would be some situations where it might be the only way though, so it's good to have it on the 'menu'. Cheers

Hi Michel, I have never thought about (no) threading dials on metric lathes but I can understand why. Probably my lathe only has the threading dial because it was made from an imperial design (it is really an imperial lathe adapted to cut metric). Fact is I never think about these things until I get into the real detail of it. Cheers

You are welcome 👍

Thank you 👍

Hi Rusty, I have not done a lot of threading on the lathe maybe just 3 or 4 jobs but somehow they always end up unusual and complicated. Typically making new bronze nuts for a machine lead screw, where I can't get a tap or it would be very expensive. Cheers

@@HaxbyShed I’ve done it once and it was nerve racking . He he.

Hi John, I think for practical purposes the compound advance for each start is easiest. I probably made things more complicated than need be. Cheers

Greg I found it very satisfying. Probably just advancing the cut on the top slide with a dti for each start would be easier and sufficient but it seems it's also easy enough to cut 2 and 4 start threads with the threading dial on an imperial lathe for many pitches. Cheers Paul

Thanks Matt. I'm a bit of an investigator by nature so I always try to bottom out the detail. Fact is you don't need all the detail to cut the threads. It can be done by procedure, as most people do. Cheers

Hi Carl, saying it out loud helps me keep concentration. You probably know that the Japanese have the thing 'confirmation by pointing' - which I love to see at rail stations and on trains. Cheers

@@HaxbyShed It is something I have done myself for many years. Working on aircraft, things have to be correct and so it was a technique that I was taught to guard against human factor errors.

Graeme, that is such a wonderful story. No amount of theory replaces a lifetime of real practical experience. Cheers

Hi Chris, you don't need much maths really, I made it look more complicated than necessary because I like to get into all the detail hunting for undocumented features and ways. Cheers

All hail the algorithm! If I produce two similar videos one may do well and the other will flop. If you ever figure out how it works do let us know 😁 thanks for watching and your comment. Cheers

Hi Geoff I'm familiar a little with those. Cheers

Hi Phil, it's unusual for me to create a thread on the lathe without messing up. A nut would be fun. Maybe if I'm short of ideas sometime .... Cheers

Thanks Matthew. 👍

It's exactly this, and yes it's not unusual to have two different thread dials on metric lathes with different gear sizes to provide more options.

Hi Tony, we all know 1in = 25.4mm but there is more to it than that. The measurement systems themselves are based on subtly different principles, as you point out. If I have a gallon how far can I go vs if I drive 100km how many litres will I use? Imperial people check our tanks before we set off, we don't try to drive 100km and see if we run out. Cheers

You're not dumb bruh. Stop saying that. You say it too much. You're more ok than you think. 👍👍👍👍👍👍👣

Just like Opie says, you are not dumb. You can work a lathe just fine. It's just in my character to look for all the hidden detail because I'm an investigator by nature. Most of it I'll forget by next week. Keep the faith my friend. Cheers

Hi Chris, hmmm I don't know why the trophy stand would be multi start. I imagine bottle tops are multi start to make production quicker. Was it made by a robot? Cheers

@@HaxbyShed it surprised me too but not enough to overlook it before I started.🤔 Perhaps it was awarded to a robot?

Hiya, somebody has pointed out to me that I actually produced 4tpi 2 start (2 x 2tpi interleaved). Anyway I'm glad if it's useful. Cheers

​​@@HaxbyShedI think the person saying it's a 4tpi threads were confused about actual tpi, the thread count, and effective thread travel or effective lead pitch. A 2tpi double start thread is still a 2tpi thread but the effective thread travel equivalent is 4tpi because there is 2 threads. It's a funny thing that happens when you have multi start threads. You can directly replace a 2tpi double start thread with a 4tpi single start thread and the travel is the same (ignoring all the other reasons for multi start threads) Multi start threads have a longer effective lead pitch as each physical thread is apart of the total effective lead pitch. The multi start thread tables typically show the effective lead pitch for single thread, double thread and triple thread. But that doesn't change the physical tpi. If you didn't know it was a double start thread and you blindly counted physical threads you would mistakenly determine it's a 4tpi thread because the physical thread count and the effective thread pitch are the same.

@@askquestionstrythings Thank you for explaining that 👍