[modeleng] Re: Juliet's
- From: "Phill Smith" <steam@xxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Tue, 19 May 2009 20:56:46 +0800
G'Day John, Jeff, TEL, And Everyone else,
Fabricating cylinders is easy enough. The boring head makes accurate fitting
together easy enough, but that applies to making patterns as well..... I
didn't really want to fabricate them, but that may be (as both Jeff and John
pointed out) the cheaper option.
Blackgates doesn't list Juliet as something they do, so I didn't bother
contacting them.... Maybe I should have.
Below is the 2 replies that I have had from GLR in the UK..... I am simply
amazed by the responces. Knowing your product and showing some interest, is
obviously a thing of the past.......
Phil,
post for dwgs £3.00 we supply wheel castings 4 @ £44.00
Cyliner castings @ £90.00 ring 01327 878988
Pete
----- Original Message -----
From: Phill Smith
To: Peteglr@xxxxxxxxxxxxxxx
Sent: Monday, May 18, 2009 1:20 PM
Subject: Re: Juliet drawings and castings
G'Day Pete,
I'm after inside valve gear (Stephenson's valvegear). Version 2 has
Baker's valvegear.
Do you supply cylinder and wheel castings?
Cheers,
Phill.
----- Original Message -----
From: Peteglr@xxxxxxxxxxxxxxx
To: Phill Smith
Sent: Monday, May 18, 2009 6:58 PM
Subject: Re: Juliet drawings and castings
Do you want inside cylinders or outside cylinders, drawings for either
are £24.00 + p & p
Pete GLR
----- Original Message -----
From: Phill Smith
To: peteglr@xxxxxxxxxxxxxxx
Sent: Sunday, May 17, 2009 3:20 PM
Subject: Juliet drawings and castings
To whom it May Concern,
I am attempting to source drawings and castings for LBSC's Juliet
(version 1).
If you are able to supply, could you please give me prices and postage
costs to Australia.
If you can't supply, could you provide me with the contact details of
suppliers who can.
Thanks in advance,
Phillip Smith.
The price for the wheels and cylinders are MUCH better than Reeves' price.
But still..... 11 pounds for a wheel 3.5" in diameter???? That's about
AU$27.50 each. It's a much better price than Reeves!!! I think it may(?) be
worth getting these....
I can machine them out of centrifugally cast CI, for less than that. Spokes
and all. But, it's the time factor that I don't like...... I suppose they
could just be solids like Tich's. The other thing is that they would need to
be tired as the centrifugally cast stuff is softer than regular castings. No
big deal, just another thing to do that I doubt my son would be up to yet.
I don't know about the LPG furnass TEL. The only one I have had experience
with (LPG that is) was in high school, and that used a lot of gas to melt a
piddly little bit of aluminium. It was probably just the design or the way
it was being used. Haven't you got a gas one up and running? How much gas
does it use to melt a given amount of bronze?
OK so in summary.....
Buy Drawings (drawings in original ME's too hard to read convieniently)
Fabricate GM cylinders (cyl section from hollow bar - valve section could
waste a bit of metal in swarf, but my mill will quickly remove that)
Buy wheel castings. 44 pounds stirling (AU$110) per loco
Fabricate everything else (GM axleboxes sound like a good idea - dunno how
they would wear in the horn block area though.... Alan?)
Buy boiler barrel material from UK (3.5" dia is not a size available "of the
shelf" in Oz")
Anything else?????
Lagging of boiler? What is the normal practice in the little league? 1/8
cork is an excellent lagging material. I have used it on my 7.25" gauge loco
and had great results. I had to relag it (can't remember why) and used 3mm
ceramic fibre sheet and found it NOT as good as cork. Perhaps because I
SQUEEZED in 2 sheets..... ? Anyway, I thought 1/8" of cork between the
boiler and cladding would do it some good. I will need to roll a larger
smokebox (1/4" bigger in dia) but that's no big deal..
Oh, as an aside.... I noticed that there are dome castings offered by
Reeves. Doesn't anyone, besides me, spin domes anymore? I have spun a few
for my friends ranging from 1" dia x 1.5" to 6" dia x 9", in both brass and
copper, and the size makes no difference to process. It just takes longer
for the bigger ones. Who else on this list spins items?
And another aside..... Clarkson autolock collet chucks.... For those of you
who have never used one, these are the ultimate clamping system to hold onto
your slot drills (2 or 3 flute centre cutting end mills) when doing plunging
work. Every other clamping system can slip allowing the cutter to pull out
or push in. If you get the chance to buy one, do so. They are well worth the
investment. They pop up on ebay occationally, with the shank for either MT3,
R8, NT30, or NT40. The only drawback is that you can only use threaded
shanked slot drills or end mills. Unfortunately none of the tungstan carbide
cutters have threaded shanks.....
Cheers,
Phill.
----- Original Message -----
From: "John Baguley" <baggo@xxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, May 19, 2009 4:44 AM
Subject: [modeleng] Re: Juliet's
> It wouldn't be too difficult to fabricate the cylinders from a bit of
> cored bronze or gunmetal with a bronze or gunmetal port face silver
> soldered on or even machine them from the solid. All the rest could be
> brass. Valve chest built up from brass bar silver soldered together and
> end covers turned from brass bar with a bronze bush for the piston rod.
> Much easier than making patterns and having castings made. A lot cheaper
> too!
> John
>
> TEL wrote:
>> Nope, no Juliet, so I can't be of help.
>> Furnace - propane will provide plenty of heat for doing bronze - might
>> be a bit of a pinch for CI although it has been done.
>>
>> I too had a look at Reeves' site the other day - and they reckon Ned
>> Kelly was a crook eh?
>>
>> Phill Smith wrote:
>>
>>> G'Day Alan,
>>>
>>> The angle iron buffers is as LBSC originally designed it. They were
>>> originally brazed onto the side sheets. I don't like that, so I'll bolt
>>> them
>>> with angle brackets.
>>>
>>> I was lucky I was sitting down when I went to the AJ Reeves site and
>>> looked
>>> at thier prices for cylinder sets.... 177 pounds for 1 cylinder set!!!!!
>>> Just ONE cylinder set. They have just lost my business...... What a mob
>>> of
>>> thieves!!!!!!!!!!
>>> I hate patternmaking!!!! Oh well, looks like there is no choice now.
>>> Unless
>>> I can find someone that has some patterns that they wouldn't mind
>>> lending
>>> me...... They would be rare these days.
>>>
>>> TEL, didn't you make a Juliet? Where did you get your castings from?
>>>
>>> Maybe I should concentrate on building a oil fired (I don't know if LPG
>>> would be hot enough) furnass first....... There's no shortage of good
>>> quality green sand around here......
>>> Anyone got any drawings for one? I had better get started, otherwise
>>> disapointment awaits the delayed start on the project.
>>>
>>>
>>> Cheers,
>>>
>>> Phill.
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx>
>>> To: <modeleng@xxxxxxxxxxxxx>
>>> Sent: Sunday, May 17, 2009 3:42 PM
>>> Subject: [modeleng] Re: Juliet's
>>>
>>>
>>>
>>>
>>>> I used bronze axleboxes, so...
>>>> Angle iron for the buffer beams would save some work.
>>>> Drain cocks, OK.
>>>> I dont see the need for a horiz stretcher, but nothing to stop you
>>>> adding
>>>> one of you feel it worthwile.
>>>>
>>>> As for time, I was assuming lots of hand work, but if you have, for
>>>> example,
>>>> a mill (which you mentioned) and are making jogs etc, then, eys, that
>>>> would
>>>> shorten it considerably.
>>>>
>>>> Alan
>>>>
>>>> http://www.walsallmodelindustries.co.uk/www.walsallmodelindustries.co.uk/info.php?p=10&pno=0
>>>>
>>>> are an alternative to Reeves et al, although I have never used them
>>>> myself.
>>>>
>>>> MODEL ENGINEERING DISCUSSION LIST.
>>>>
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>>>>
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