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Member postings for fizzy

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

Thread: combined BOB with drivers or seperate?
14/03/2019 09:39:34

bump

Thread: Vertical Boiler - blower?
14/03/2019 09:38:46

all depends on what your firing it with - gas=no, coal=definately. Ive never seen any coal fired boiler without one...and ive made and seen a few.

Thread: combined BOB with drivers or seperate?
13/03/2019 19:51:03

Looking for a USB breakout board to run Mach3 and see that we can buy a control board with integrated driver. Anyone tried the new integrated boards? Something tells me to stick to separate parts.

Thread: Chimneys & Steam Pipes : Copper or Brass : Why ?
08/03/2019 15:31:36

For the record in the UK under current club rules it is perfectly acceptible to make boilers out of brass. They are much stronger and thus can be made much lighter than copper, and are a lot tougher to work with. I do get asked to make boilers frombrass from time to time but dont like making them! Bushes are all bronze.

Thread: Laser Cutting Costs
06/03/2019 19:46:21

Give Malc a ring **LINK**

and tell him i will get his burner sorted soon!

Thread: Nine months in the acid bath!
06/03/2019 09:20:53

Me too Brian, thought this might put a few minds at rest!

Thread: Myford Lathe on Ebay
05/03/2019 21:03:46

Bet it goes over a grand -great starter for someone new to the hobby.

Thread: Round top inner firebox
05/03/2019 21:01:56

Im mid build on a couple of 5" gauge Sweetpea boilers which have totally round fire boxes. No stays of any kind for the firebox tube is a massive bonus - both end plates are stayed. If the top of a conventional type loco boiler is half round no stays are needed in it (joing sides and ends stayed as usual) but as stated previously you lose a lot of tube space compared to a square section plate.

Thread: Nine months in the acid bath!
05/03/2019 20:50:16

Whilst making a 2" scale boiler for a traction engine mid 2018 I missplaced one of the inner firebox plates, so made a new one and carried on. Yesterday I was forced to extract a boiler from the acid bath by hand (vets full arm glove) and to my suprise came across the lost plate laying on the bottom. I had always wondered what effect long term acid soaking would have on copper. Anything over a day with brass is very bad news - im using 30% Sulphuric Acid so its strong stuff. The plate in question has a little crystalisation of acid salts on its surface but other than that was in perfect condition - I wont be using it but I wasnt expecting it to look as well as it does.img_0004.jpg

Thread: Can opener - the holy grail in engineering?
04/03/2019 21:01:11

Seems the jury is out....definate opportunity me thinks

03/03/2019 18:54:13

Over the years we have bought countless can openers, the type you squeeze in one hand and turn with the other. Quite quickly they all fail. Can it be that difficult to design onethat doesnt fail? And now the big question - are modern can openers designed to cut the lid from the inside or the top off the can from the outside? Wife says outside, I say inside (of can lip).

Thread: Western Steam
02/03/2019 09:53:41

I would like to wish Helen a speedy recovery. As a full time boiler maker (not touting as I make them for marine and stationary engines) I can say with confidence that you will not be able to buy a better made boiler anywhere in the world than by WS, and that is why you have to wait so long. You can rush a boiler build but you cant rush quality.

Thread: Straightening a wayward hole
27/02/2019 18:01:36

you will most likely snap the end of the centre drill off in the job. Use an end mill instead and take it very slowly as it will easily deflect.

Thread: Silver soldering bronze
26/02/2019 18:14:32

You left it in the pickle too long...had it happen to me. No telling what went into making your bronze but it will and does turn black. Ive had brass do it as well. Get a bit of Tenicity 5 flux, mix it thick and it should work fine on clean metal. You need the extra temp flux due to the small piece of work getting hotter quicker. Good luck.

Thread: which mill
19/02/2019 08:51:45

Ive got mill drill for work - fits my requirements perfectly but I dont like milling with it! The round column has been known to allow the head to move under load which is disasterous. I mostly drill and bore with it.

Thread: Model trains stolen - Kent
16/02/2019 21:31:14

Its all over facebook, pictures to boot. Unfortunately this was not the work of opportunists and they are probably on a slow boat to china already. Its a sad state of affairs.

Thread: Copper boiler testing
16/02/2019 21:27:50

Has your boiler inspector ever actually built a boiler.....and in doing so tried to get paperwork? Me thinks not. Put it to the test and ask him who he used when he obtained his certs so that you can do the same. Im not saying you cant get them but I am saying that for a published design using silver solder they are not required in the UK for home built items. At the end of the day its his decision and it cant be overruled.

16/02/2019 20:51:43

Certs for copper are not normally required at club testing level and you might find it difficult to get them for cut lengths. If you buy your materials from a good UK vendor then your receipt of purchase should stand to verify chain of custody. It doesnt say you have to have them in the rule book, only 'where apropriate'. You need themfor steel but ive never heard of anyone insisting on them for copper. The grade is debatable unless you intend totig weld it! Good luck.

Thread: Harrison L5 chuck datum
22/01/2019 14:45:30

Turns out the backplate was miles out in every possible way - I have trued it up and ive got about one thou runout so a massive improvment....need to do the same with the four other chucks now (I inhetited them). Thanks all.

Thread: Turning aluminium with carbide inserts
19/01/2019 09:29:11

**LINK**

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