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Member postings for mal webber

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

Thread: Vickers Bl 8 inch Howitzer cannon of 1917
30/11/2020 19:44:41

Hello all

Thanks for the comments and interest in the Howitzer build ,Richard the pak40 would make a very nice model what sort of scale are you thinking of building it in .

Well small update on the Howitzer build not really got much more done than the last post not down to shed time but everything I have made lately I've managed to mess up on by silly mistakes and the part ends up in the scrap bin, what I did manage to make is the carriage bearing and bolt so it fastens from the underside and started on some of the tin work to cover the carriage, couple of pictures below of my very slow progress .

Thanks Mal

img_20201106_174741.jpgimg_20201029_223428.jpgimg_20201031_204642.jpgimg_20201121_191609.jpgimg_20201121_191546.jpgimg_20201121_201250.jpg

25/10/2020 17:57:17

Hello all ,small update on the Howitzer build, I have been busy making the carriage frame which supports the barrel on the cannon , this has been made out of 16mm box section cut into various shapes and welded together [fighting the dam heat distortion ]. Next on frame will be to plate over with some sheet steel an rivet on but first I'll try and finish some fixtures on the trail, couple of pictures below on how it's looking.

Thanks Mal.img_20201022_194858.jpgimg_20201025_163503.jpgimg_20201025_165230.jpgimg_20201025_170603.jpgimg_20201025_170427.jpg

Thread: Virtual Meet Ups
21/10/2020 13:51:48

Looks like I missed out on a good meeting, next one I will make time for it,

Mal.

18/10/2020 22:52:22

Hi Neil

please could you put me on the list

Thanks

Thread: Vickers Bl 8 inch Howitzer cannon of 1917
03/10/2020 09:28:37

Thanks guys ,Steve wish my wife would see it that way I would have more shed time, she calls it playing in the shed {again}smiley .

Mal.

02/10/2020 23:19:35

Hello all small update on the Howitzer build , now that I have finished the elevating gearbox I thought the barrel carriage would be next so the fixtures to the trail can be riveted in place ,decided to make a jig to suspend the top bearing were they need to be and the distance to the gearbox for the elevating cog ,going to make the carriage around these parts with 16mm box then form plate over and rivet on, made the bearing carriers last couple of days which toe in about 6 degrees against horizontal bar they still need a bit of fettling with to finish them off, couple of pics below on how things are looking.

Thanks Mal.

img_20201002_213209.jpgimg_20201002_213242.jpgimg_20201002_215650.jpgimg_20201002_215929.jpgimg_20201002_220308.jpg

09/08/2020 09:47:08

One more from last postsmileyimg_20200809_001500.jpg

09/08/2020 09:45:40

Well managed to get that lump of bar stock to look something like the Howitzer elevating gear box, loads of filing and fettling and now I think it looks about right for an early version design, as I found out on the internet through pictures there are a few with slight differences ,couple of pictures below on how it turned out and how it will look on the trail.

Thanks Mal.img_20200808_233347.jpgimg_20200809_001147.jpgimg_20200809_001208.jpgimg_20200809_001251.jpgimg_20200809_001300.jpg

17/07/2020 00:34:47

Thanks Dom , short vid how the box turns 32/1 ratio quite happy with so far

VID 20200716 181948 Howitzer gear box try

16/07/2020 21:17:43

Thanks Adrian, did try and post a small video of it worked out but could not manage it somehow.

Mal.

16/07/2020 19:03:00

Well got some shed time in the last week or so and now I have a functioning elevating gearbox ,loads more to be done to make look something like the Howitzer gearbox but getting there.

Thanks Mal.img_20200716_180204.jpgimg_20200716_180118.jpg

27/06/2020 20:02:32

Hello George, for the last couple of months with everything going on, I've not had a chance to work on the Howitzer but I am looking forward to starting back on the project end of next month.

Here are a couple of pictures on how far I got on the elevating gearbox before I stopped, still plenty to get done.

Thanks Mal.

img_20200627_192122.jpgimg_20200627_192153.jpg

25/03/2020 21:10:26

Thanks Jeff , most the bar will end up in the scrap bin ,I'm hoping that not all of it will laugh

25/03/2020 20:06:19

Hello all and I hope everyone is keeping safe,thanks Peter , managed to pick up a lump of stock bar today for the gearbox so next couple of weeks will be to remove metal and find it smiley

img_20200325_195142.jpg

Edited By mal webber on 25/03/2020 20:27:02

Edited By mal webber on 25/03/2020 20:27:51

21/03/2020 10:27:30

Hi David, one of the gear cutters I had already and the small 30dp for the bevel gears i purchased from rdg,a hob was made for the worm gear and free hobbing in the lathe was used as described in Ivan Law's book. I would like to have a go at making my own involute cutters as there not cheap.

Mal.

Edited By mal webber on 21/03/2020 10:33:12

21/03/2020 01:06:57

Couple more from last post.img_20200320_230438.jpgimg_20200320_230428.jpg

21/03/2020 00:54:42

Hello all in these difficult times hope all is well, well have been having problems with the mill so the Howitzer build came to a stop for a month or so but it's up and running again better than ever [ touch wood] after a few bearings being replaced, so it was back on to the Howitzer I decided the gears for the elevating gearbox would be next to have a go at. Now worm wheel and worm used in this gear box because of locking ability and reduction and bevel gears I have never tried making but spur gears I have, so after digesting Ivan Law's book on gears and gear cutting and reading up on this site I managed finally after a few c%^$ ups to cut some gears ,shafts are still to make and a gearbox to put it all in, few pic's below on how it's going.

Thanks Mal.

img_20200320_225431.jpgimg_20200320_225459.jpgimg_20200320_225516.jpgimg_20200320_230114.jpgimg_20200320_225904.jpg

Edited By mal webber on 21/03/2020 01:09:45

Thread: Colchester student top speed problem
15/03/2020 01:16:19

HI Tony, first thing I would do is remove the headstock cover and have a look inside as you select through the gears [ not when it's running ] and see what's going on , some pictures as well so others will be able to help.

Mal.

Thread: Ron's Jowitt Popett Valve Engine
08/03/2020 17:58:05

Just had a catch up on this thread Ron, looking very nice.

Mal.

Edited By mal webber on 08/03/2020 17:59:04

Thread: Vickers Bl 8 inch Howitzer cannon of 1917
08/02/2020 20:28:06

Hello all,

Not getting much done on the Howitzer build lately and at this rate it's going to take a good while to finish, I have managed to make a couple of parts for the trail first one is the bracket that receives and locks the traveling lock bar ,second bracket is what the back of the top carriage attaches on and allowing it to slide the 8 degrees couple of pictures on how they look on the trail.

Thanks Mal.img_20200208_183942.jpgimg_20200208_183107.jpgimg_20200208_183817.jpgimg_20200208_183707.jpg

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