Model Forum / General / Models / December 2008

Help please
About fifty years ago I remember using a brazing torch that was
fuelled by town gas and compressed air.
Recently I was doing a job where my largest brazing torch, fuelled by

Question as title :  I recently came across a reference to this grade of
aluminium and couldn't find any info on it in eg Wikipedia so wondered if anyone
here has any info ?  As an aside, can anyone tell me what the name "Fortal" on
Fortal 7075 refers to ?  Is it just a trade ...

I am building a VFS P47D Bubbletop.
I want to make the model to represent the RAF machine in Burma.
According to Aircraft Profile 7 this machine would have been an
equivalent of a P47D-25.

Hello, I need to drill & tap an M4 0.7 x 15mm hole in the ends of a few high
tensile 8.8 steel bolts.
I've been using a 3.2mm drill followed by a HSS tap from a cheap box set
with limited success, it's taking approx 1/2 hr each hole.

Can anyone explain to me how to understand how to interperate diagonal
lines on a drawing.  When I try to find reference lines with a pair of
dividers on the front view they don't match the curved lines on the
diagonal shaye under the elevation

I'm looking for some Whitworth impact sockets. Does anyone have a
source, or have any they would like to sell me?
We're always warned against using ordinary sockets with an impact
wrench, I've used them form time to time, has anyone actually

Hello, I'm a newbie here so please don't jump down my throat. Now that
I'm retired I want to set up a dedicated workshop. The Management says I
can't have any more hobby space indoors, so my options are either to use
my single brick build garage or erect a wooden shed. Having a ...

http://www.cards-mart.com/Transparent%20Clear%20Cards_1.htm
Card designs are the front line image of your business. And since most
of us will judge a business by their image (consciously or
unconsciously), it is imperative that your business card portrays

I need to make a few adaptors in 5mm spring steel (piano wire) and have run into
a problem,  the parts are very simple being a 4mm section around 4cm long with
the rest of the 6cm overall length being left at the stock diameter.
The original plan was to use brazed tip tools to ...

do you guys think this is possible
what with the high price of bottle rental now  and the gas and the
surcharge
i thought this may be possible

This is my first post here.I’m LT LOO from Malaysia, lately I'm on
volunteer list to help some engineering vocational school student with
their annual school project. With limited of money in hand we decided
to scratch build a DRO base on nick Muller design to be fitted

I have recently aquired a Tadco Autogard 250 tapping device with a No2
Morse Taper shank.
Before I bust any taps can anybody tell me how they work. Does this
device slip when a suitable torque is reached for a particular tap.

If there is still someone out there who has not got one of the cheapo
Digi-calipers, Netto have them at £6.99 from Monday 1st Dec.
Bob

I've always accepted the fact that wjhen I retire, I'll get a lot more
modelling done. However, I have to question that assumption.
For the past couple of years, I have worked fewer hours than previously and
so I had a fair amount of time on my hands. It was bliss - like being

Noticed yesterday that the old J&S 540 surface grinder, which doesn't get
used much, was acting strange. When the cross table traverse feed is in use,
it slows down the x axis power feed?
I checked, and topped up the oil, so apart from that I am at a loss.