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Member postings for Jan B

Here is a list of all the postings Jan B has made in our forums. Click on a thread name to jump to the thread.

Thread: Minimum bending radius
25/12/2021 16:32:43

My RIDGID tube bender for 6mm tubes has a bending radius of 16 mm. The radius is measured to center of tube. When I make my own tube bender, I use a radius of 3x tube diameter and that works fine.

Jan

Thread: A Merry Christmas to All
25/12/2021 05:51:39

Merry Christmas to al of you from a very cold Sweden, -10 degrees this morning.

Many thanks to all of you who contributes and makes this site so interesting and informative.

Let’s hope next year will be a better one.

Jan

Thread: Choice of collets
29/10/2021 18:56:39

I have used ER collets for more than 20 years and have never had any problems with cutters moving in collets. I have also used the Clarkson system, and it works fine but the disadvantage is that you must use special endmills that have a threaded shank.

Jan

Thread: cutting spur gears on a mill
17/09/2021 11:35:20

Yes, of course I know that thread angle and pressure angle are not the same. I misunderstood Brian, sorry.

Jan

17/09/2021 10:16:26

“Something intriguing I noticed, but i expect you all knew this, is that a rack and pinion system uses a 20deg PA form but the rack is straight 60deg form.”

No this is wrong, if using a pinion with 20deg PA then the rack also must have a PA of 20deg.

Where do you get the 60deg from?

Jan

Thread: Injector LBSC type
28/05/2021 07:00:13

I made a LBSC injector when I built my first locomotive TICH in 1978. It was made following Curlys instructions in his book Shop Shed & Road. It is of the Sellers type, combining cone is in one-piece whit a slot in the middle 1/32” wide. It always picks up quickly and with such a small boiler it only needs to feed for about 15 seconds. The only drawback is that it doesn’t run dry, there is always some water coming out from the overflow, but as long as the main part goes into the boiler I can live with that.

Jan

LBSC Injector

Thread: A problem with my Tich running gear that I can't solve at the minute :-(
29/03/2021 06:56:31

I have a large boilerd TICH in 31/2” and mine has Walschaerts valve gear. I have never seen a TICH with Baker valve gear, but I don´t think there is any problem with the valve gear.

Have you checked that all axel boxes are at the same height when you test run your chassi? If not, this may be the reason why one of the back wheels is binding at one position.

Jan

Thread: Steam regulator
05/02/2021 06:55:50

The article about using ball valves as steam regulators starts in ME Vol 225 No 4645.

Jan

Thread: Humbrol Enamels
10/01/2021 09:25:07

I use white spirit to thin Humbrol paint, and it has not affected the gloss finish. For cleaning paintbrush, I use cellulose thinner.

Jan

Thread: Bar size and dies
02/01/2021 11:23:33

I always reduce stock diameter by 1/10 of the pitch, and this is also what Dormer recommend, so reducing stock diam to 9.88mm is OK.

Jan

Thread: Greatings from Swden
15/11/2020 11:01:41

Hej Anders,

Welcome, nice to see another Swedish model engineer joining. Unfortunately, we are not so many.

What do you plane to build, and in which part of Sweden do you live?

Jan

Thread: Dart 7 1/4 loco Martin Evans
07/09/2020 11:12:38

The series starts in ME 1981 Vol 147 issue 3664. If you search for Model Engineering Index you will find al issues that cover building of Dart.

Jan

Thread: Don Young 5 inch Black five
04/09/2020 14:37:20

I am not familiar with Don`s “Words and Music” but LBSC wrote about this in one of his articles. I have fitted this plug to al of my three locomotives.

Jan

04/09/2020 13:42:53

The function of the plug is to be able to put a very small drop of oil on the regulator if it gets stiff. Of course, you must be extremely careful so you don´t get the oil into the boiler.

Jan

Thread: Copper boiler plate flanging, or not?
27/08/2020 19:03:41

The reason for using a long rivet is that the part that sticks out can absorb heat more easily. This will help to get the silversolder to penetrate al the way thru the wrapper. If you do it your way you also risk bending the rivet when you splay the end.

I have built three locomotive boilers (two 3.5” and one 7.25&rdquo and have always used this method whit great success. I recommend that you by a book by Alec Farmer title, Model Locomotive Boilermaking. I met him when I made a trip to UK 1988 and was invited to his workshop and got a signed copy from him. He was very skilled, and I think you should read his book.

Jan

Thread: Overseas Distribution to restart
22/07/2020 19:13:41

Hello Neil,

Thanks for the information.

I have sent you an email.

Jan

21/07/2020 18:42:09

Received my first issue of ME number 4642 here in Sweden since Covid started yesterday.

I still don’t know how to get access to the digital copies. A friend told me he had to call subscription office in UK to be able to get his access. He is very god at computers and tried to help me but failed. It will not be the end of the world if I don´t get an access, I am happy ME is back. I have had a subscription since 1974 and still enjoy every copy.

Stay safe and let’s hope we will be back to normal conditions soon.

Jan

Thread: What Did You Do Today 2020
05/06/2020 18:34:14

Lots of rain in the morning but clear sky and sun in the afternoon. So, I thought it was a good idea to bring out my little TICH and run her on my own private track. My youngest son joined me an we had lots of fun running around my small track. My locomotive is 42 years old but still performs very well. We kept her in steam for more then an hour without any problems. There are no clubs for 3.5” and 5” gauge here in Sweden and the hobby is almost unknown. The only club is one in 7.5” gauge where I run my BR Class2 locomotive, but there will be no public running this year so I`m happy to have my own track.

Keep safe.

Jan

Thread: Show-stopper for a NewB
01/05/2020 12:39:03

You must enter G54 as a work zero offset. The program must know the zero position of X, Y and Z.

You can´t have a Z coordinate in G3 if you use G17, so remove Z.

Jan

Thread: Juliet construction notes M E vol 95 - 97
03/04/2020 08:51:59

You can download a copy of Juliet construction articles from:

www.john-tom.com › LBSC › Juliet

Hope this will help you.

Regards Jan

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