Clik here to view.
rolling chassie
hi all, have assembled the rolling chassie. was most tricky with the small pins, they were 0.8mm diameter and were rivited.
View ArticleClik here to view.
redesign
hi all, well after some thought i decided to re-design. I can say that the current design can lead to a working model. I felt however that the design must be so the kit goes together with ease. i...
View ArticleClik here to view.
Article 22
hi all, have built the improved chassis. It goes together with far less effort. I had an idea to use pc board as the cover underneath as i can use it to attact the pick-ups.regards
View ArticleClik here to view.
further drawings
hi all, i have started to work on the boiler design. Shown is the overall dimensions. I will add the finer details as i go along.
View ArticleClik here to view.
Article 20
hi all. well above is a machined cylinder set for the na. i made them in two halves which i will solder together. I used a 1mm cutter on the cnc. for scale the outside of the cylinders are 1/8" diametre.
View ArticleClik here to view.
Article 19
hi all. just a few more pics. the workshop is a bit full at the moment so have been working on the computer. the na i have changed, it now has a split chassie and solid drivers. both the na and the...
View ArticleClik here to view.
cab
hi all, a few more recent pics. the white parts are cnc machined styrene. the 3rd pic i hadn't trimed the windows.
View ArticleClik here to view.
Article 17
hi all, a few more recent shots of the Na. the last photo shows the motor in the background.the chassis is free rolling at this point. This design is far neater than the earlier one, assembly is...
View ArticleClik here to view.
Article 16
something else in the works,a hon30 version of below. just a rough drawing to see the suitability of off the shelf motors and gearboxes.
View ArticleClik here to view.
Clik here to view.
Article 14
hi all, i have reworked the design of the rods and cranks to improve the assembly. the centre photo shows the jigs to press the wheels onto the axle muffs.
View ArticleClik here to view.
Article 13
a few more images so far, the cylinders need to redone as there isn't enough clearence for the rods. i will increase the spacing by 0.7 mm from the centreline.
View ArticleClik here to view.
Article 12
i finished the drive to the spur gear. runs well. I was a bit worried that the reduction on the g15 motor was going to bo to slow, but it looks ok to me. sorry the video is a bit blurry.
View ArticleClik here to view.
Article 11
Hi all, i have reworked the shaft. There is another support and a universal joint. Its hard to see but these are uni joints supplied by hollywood foundry. The mechinism still needs a good run in. need...
View ArticleClik here to view.
Article 10
not much added to the NA but i have had a go at some trackwork. the points are 5mm gauge.there made by hand using code 40 micro-engineering rail and nn3 pcb sleepers from fast tracks.
View ArticleClik here to view.
Article 9
hi all, been a while i know. here are a few recent pics. the new boiler section i have made is out of styrene. i will reproduce this in whitemetal. two reasons for this. i need the weight and i have...
View ArticleClik here to view.
Article 8
hi all, well i had a go at casting the boiler/side tanks. they turned out quite good. plenty of weight. the truck is a model tt truck, it is by micron art, http://www.micronart.com/index.html
View ArticleClik here to view.
Article 7
hi all, a few more images. its starting to look like a NA now. the chimney was turned on my lathe,as was the air compressor. handrails and pipes are various sizes of brass wire. the filler caps (i...
View ArticleClik here to view.
Article 6
hi all, more pics. this is the first coat of paint. is just so i can put the glazing in and glue on the roof.
View ArticleClik here to view.
Article 5
hi all, i have been doing some drawings lately. I have found some better motors and gears. This will improve running.there both 12v and allow room for a flywheel. The garratt drawing is new, it is...
View ArticleClik here to view.
Article 4
hello all,a long time i know, anyhow i have started to remake the new design,i have a number of parts i have been making in the next few post.first picture is the wheels, i turned these in one...
View ArticleClik here to view.
Article 3
gears were cut from mod 64 gears stock, this is available from small parts and bearings.
View ArticleClik here to view.
Article 2
parts here were cut using a wire cutter edm machine, the advantage of these machines is that the wire is quite fine, allowing very fine corners.shown are the cylinder with valve chest, as well as the...
View ArticleClik here to view.
Clik here to view.
Article 0
i took a picture of the lathe tool i used to cut the wheels, the tool has two tip cut on it, the tip on the left can cut the front profile of the wheel, the grooving tool can be used to cut the inner...
View Article