Interviewer: Tell me how was 405 squadron equipped,
what type of aircraft did it have?
When I first went there we had Wellington bombers.
They started with Wellingtons, and they were a
special Wellington because they had the Rolls
Royce Merlin engines, as opposed to radial engine.
I don't know how many squadrons were equipped
that way but what had happened apparently,
they had, the factory had been bombed
that made the engines, so they adapted the
aircraft to take the Rolls Royce Merlins,
so we had wimpys with Merlin engines.
And we, it was at the height of,
or the beginning of you'd say, of the bombing,
the casualties were fairly high at that time.
Interviewer: Tell me Mr.Snell, the conversion
from single engine aircraft to four engine bombers,
what impact did that have on your trade?
Well it increased responsibility considerably,
actually the conversion just from fighters
to a bomber, the bomber had much more,
had more sophisticated equipment.
But when, when we went on to the four engine,
my staff became much bigger,
I was at senior NCO, so I didn't actually get
out and work on the airplanes but I was
responsible for the staff, because we had
four times as many instruments to look after
and it had quite an impact on their strength.
I had about forty people I guess,
I was a twenty-one year old by
this time, in my control.
Interviewer: How long did you stay with 405 squadron?
I was with them for over three years.
And it was quite an interesting stay because
we started with Wellingtons,
and then converted to Halifaxs, which was a
big conversion for the pilots particularly,
although some of them found it very easy.
And it was, I wouldn't say it was a bigger
conversion for most my crew, it was just
more airplane to look after, instead of two engines
you had four engines, and you had an appropriate
number of aero engine mechanics to do it.
The systems were a bit more complicated,
the hydraulic systems, they had to go in turrets,
which in order, they had to be maintained.
The armament system was bigger, all loads
were bigger and so the whole squadron was,
became bigger in that sense,
that they required more people to
look after all these added functions.
In our own trade, the instrument trade
at that time, there was beginning to get more
sophisticated navigation equipment,compasses,
the aircraft were equipped with an
automatic pilot, that had to be serviced,
which gave us quite a lot of concern.
And one of the big jobs, it may sound simple,
but was the oxygen systems.
The airplanes, there was no such thing as
liquid oxygen, they were all gaseous.
There were fifteen or sixteen bottles in
these airplanes, they had to be changed every,
for every flight.
And, or I shouldn't say changed,
they had to be charged.
So we had a big charging,
go around and charge them.
But that was a big concern,
it was a concern to the safety of the aircrew,
because of the oxygen supply
particularly to the rear gunner.
With condensation getting in the lines
we did have one tail gunner come back dead,
because his oxygen supply had been
cut off with a frozen line.
There were concerns like that.
The masks and their fittings,
and the regulators for dispensing the oxygen,
were a big item. But a big thing too was the
navigation equipment. The biggest job I think for
the instrument mechanic to, in addition to those,
was changing a simple thing like a
temperature gauge. They had what they
called the Borden tube, there was the
instrument and then there was this long tube
went out to a bulb on the end. And it was filled,
the whole system was filled with the fluid,
and as the temperature increased, the fluid
expanded and the needle gave the reading.
Now it couldn't be disconnected,
it was one unit, and these things were prone
to failing, so that the instrument mechanic and
the airframe people, when one of these failed,
particularly on the outboard engines,
they had to pull all the leading edge off,
unbutton all this Borden tube,
all the way through back to the instrument.
Drag out that thirty, twenty, or thirty foot
Borden tube, thread the next one through
and back to the engine. It was a big job,
it was, whenever the technicians heard,
you know, a temperature gauge or
a pressure gauge failing, it was a big job.
But it required a lot of work, on the part of
the airframe mechanic to,
to get the leading edge off and it was,
it was one of the toughest assignments,
particularly in the weather.
You had talked to me earlier about the weather,
you know these, there were no hangars,
they weren't doing this in sheltered areas,
they were doing this out in the open,
and it could be wind, or rain, or cold,
or if you're lucky sun.
Maybe it was too hot sometimes.
But all hours and all, all climatic conditions
came into play here. But the work was
done in the, in the open.