Author Topic: minnie traction engine in 2"  (Read 37132 times)

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #135 on: December 16, 2017, 10:35:59 PM »
Thanks for the comments, made the R/H drive plate today there is a key way to be cut in this part but will leave that for the final lining up.

Mal.

Offline Steamer5

  • Global Moderator
  • Full Member
  • *****
  • Posts: 1121
  • The "Naki" New Zealand
Re: minnie traction engine in 2"
« Reply #136 on: December 17, 2017, 12:11:38 AM »
Hi Mal,
 Very very nice! Great progress

Cheers Kerrin
Get excited and make something!

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #137 on: December 22, 2017, 09:43:57 PM »
Thanks Kerrin, couple of outings in the shed and I managed to make the left hand drive plate which drives the winding drum, still got several more parts to make for the axle but getting there slowly.

Mal

Offline Kim

  • Global Moderator
  • Full Member
  • *****
  • Posts: 3671
  • Portland, Oregon, USA
Re: minnie traction engine in 2"
« Reply #138 on: December 23, 2017, 06:43:49 AM »
...I managed to make the left hand drive plate which drives the winding drum...

So, is the drive plate the saw-tooth looking plate there?
I'll be interested to see how this all goes together.
Kim

Online Jasonb

  • Full Member
  • *****
  • Posts: 6618
  • Surrey, UK
Re: minnie traction engine in 2"
« Reply #139 on: December 23, 2017, 07:57:58 AM »
Comming on well, suppose it's the brake and winding drums next.

Luckily the minnie has quite a simple setup for the winding drum, the Fowler being true to original is a lot more detailed and even includes a foot brake to stop it over spooling when paid out. Plus you have no diff to worry about on the other side.

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #140 on: December 23, 2017, 11:45:50 AM »
Hi Jason , yes next up will be the winding drum and brake, Kim like Jason said the minnie has a simple set up on the axle and when the parts are together its easy to see how it works.

Mal.

Offline scc

  • Full Member
  • ****
  • Posts: 556
  • Lancashire, UK
Re: minnie traction engine in 2"
« Reply #141 on: December 23, 2017, 06:49:41 PM »
Hi Mal,     Nice to see progress again.  The wheels and drive plates are great. Well done :ThumbsUp:      Terry

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #142 on: December 23, 2017, 11:30:09 PM »
Thanks Terry its good to be back at it.

Mal.

Offline packmule

  • Full Member
  • ****
  • Posts: 27
Re: minnie traction engine in 2"
« Reply #143 on: December 28, 2017, 11:15:46 AM »
Looking good Mal.
Hope to get back on the boiler soon just finishing a stuart s50 first then back to it.
Lots of catching up to do but I'll get there.

Bob

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #144 on: December 28, 2017, 09:15:03 PM »
Hi Bob hope your having a nice christmas ,would be nice to see you back on the minnie soon. Well couple of hours in the shed today and managed to get the winding drum almost done just waiting for some bronze bar to turn up for the centre bush and then onto the brake drum.

Mal

Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #145 on: December 30, 2017, 06:49:08 PM »
Hi all ,still on with the rear axle and I made the brake drum in the last day or so, again waiting for bronze bar to turn up for the centre bush on this part as for the winding drum,thought I would weight the axle as its feeling quite heavy at this point and it weights in at 18.5kg  40.8lb and still a couple of parts to make yet.

Mal.

Online Jasonb

  • Full Member
  • *****
  • Posts: 6618
  • Surrey, UK
Re: minnie traction engine in 2"
« Reply #146 on: December 30, 2017, 07:35:36 PM »
You are making good progress

The weight is where scaling up the 1" Minnie design shows up, by comparrison this is the brake drum for the 2" Fowler



You can see it in position behind the spoked (not solid) final drive gear and diff.


Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #147 on: December 30, 2017, 07:51:56 PM »
Thanks for your input Jason, making me think should I do the final drive solid or with cut outs in it.

Mal.

Online Jasonb

  • Full Member
  • *****
  • Posts: 6618
  • Surrey, UK
Re: minnie traction engine in 2"
« Reply #148 on: December 30, 2017, 08:00:49 PM »
Or go the whole hog and put a diff in it :LittleDevil:

You don't get to see much of the final drive gear on the Minnie so it would only give a bit of a weight saving rather than look better. Infact you see even less on the Fowler as that has gear guards which cover it all up.


Offline mal webber

  • Full Member
  • ****
  • Posts: 136
  • Wales UK
Re: minnie traction engine in 2"
« Reply #149 on: December 30, 2017, 08:19:35 PM »
Thanks Jason think i'll pass on the diff and keep my first engine as simple as possible  :ThumbsUp: your fowler looks dam impressive there's certainly a lot of detail on it.

Mal.
« Last Edit: December 30, 2017, 08:23:44 PM by mal webber »