The Unofficial Mamod and Other Steam Forum

Swift Fox · Posted: Sun Aug 12, 2012 6:51 pm Post subject:

Just catching up on this, you have made fantastic progress Tony and i really like the boiler with the central flue.

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Tony Bird · Posted: Mon Aug 13, 2012 6:31 am Post subject:

Hi,

I use a Right hand 11" Gilbow No. 69 which I bought as an apprentice. It has done an enormous amount of work in its 40 years of use and will still cut paper. Found following on the internet.

Gilbow at Tool Shop Direct

http://www.toolshopdirect.co.uk/shop.php/tools/Gilbow

Low prices on Gilbow from Tool Shop Direct Spare parts for ...

Regards Tony.

L E Jay · Steam fanatic Joined: 29 Mar 2010 Posts: 1234

Great stuff Tony. Fantastic quality work, it even looked to me like you used a parting tool in one of those photos and not the cheese wire.

Just to remind me the coping saw look a likely is a DIY mod? As I have found some drawings on a reputable site for that kind of thing. It certainly on the list of things to do etc.
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James

Andrew1971 · Forum Newbie Joined: 06 Feb 2012 Posts: 62

Excellent work you have done there

Cant wait to so the finished model

Tony Bird · Posted: Mon Aug 13, 2012 3:31 pm Post subject:

Hi James,

Just to remind me the coping saw look a likely is a DIY mod? As I have found some drawings on a reputable site for that kind of thing. It certainly on the list of things to do etc

The saw I use is known as a Piercing Saw sometimes known as a jewellers saw. Similar to a coping saw but the saw blade cannot be rotated. Available with blades from www.cousinsuk.com

Regards Tony.

loose nut 45 · Posted: Mon Aug 13, 2012 3:42 pm Post subject:

airspyder · Posted: Mon Aug 13, 2012 4:09 pm Post subject:

Hi Tony,
Great thread, I've been following closely.
I can't wait to see the finished engine,
I hope it's what I think it is.

Cheers,
Bill

L E Jay · Steam fanatic Joined: 29 Mar 2010 Posts: 1234

Thanks, Tony. So it's freehand? I had seen this http://www.myhobbystore.co.uk/pro...7567/sawing-filing-attachment-we4 a few weeks ago, a thought it might be a similar thing.

Its a great page drawings if you have time.
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Regards,
James

Tony Bird · Posted: Thu Aug 16, 2012 3:38 pm Post subject: Update

Hi,

Got a bit tired building my stock of boiler fittings back up so had a couple of hours off and made the smoke box saddle and the immitation firebox for the boiler. Often when making small steam locomotive models I make the saddle and firebox out of wood or if I can get some 'Paxoline'. Using either of these materials helps insulate the boiler from the chassis which on a small locomotive can get very hot. As I have no Paxoline of the right size I used some Beech which I get fairly cheaply from supermarkets where it is sold as mallets for tenderising meat.

The boiler is held to the footplate by a threaded rod screwed into the bottom of the smoke box which goes through the saddle and footplate and secured by a nut. The rear of the boiler just rests on the firebox which is held from underneath by woodscrews through the footplate. Having only one point where the boiler is secured to the footplate allows the boiler to expand and contract.

Last couple of photographs show boiler to date. Back to making filler valves. Day off tomorrow going foreign (England) to play trains on a 16mm Scale layout at the Bristol Model Engineering Exhibition in Thornbury.

Regards Tony.

Tony Bird · Posted: Thu Aug 16, 2012 3:46 pm Post subject:

Hi James,

Thanks, Tony. So it's freehand? I had seen this http://www.myhobbystore.co.uk/pro...7567/sawing-filing-attachment-we4 a few weeks ago, a thought it might be a similar thing

I had something similar but didn't get on with it the blades wore too quickly and it was slow. If you are cutting say 1.5mm, 1/16"in old money mild steel the machine only uses the teeth which are the length of its stroke and the same ones all the time. With a hand held piercing saw the whole length of the blade can be used on each stroke. Band saws are great but they don't use small enough blades for a lot of work.

Regards Tony.

mogogear · Posted: Thu Aug 16, 2012 4:26 pm Post subject:

Hey Dean--Tony is not afraid of getting the brown stuff on his lathe....

Don't be shy

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Tony Bird · Posted: Thu Aug 16, 2012 5:38 pm Post subject:

Hi Greg,

Hey Dean--Tony is not afraid of getting the brown stuff on his lathe....

The Myford S7B will rev at 2100 so is fast enough for wood. After turning wood the lathe is vacuumed cleaned off and oiled up.

Regards Tony.

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