Jim, You had me worried there for a moment. Not being American and
having built my whole plane on a ratio of 100-25 (Ampreg, by weight) I
had to rush back to my workshop to check whether I needed to scrap it
and start again! Having checked data sheet and workshop manual I assume
that you mean that US builders are on a 100-27 ratio, rather than
everyone else.At the risk of labouring the point you can also do the
Araldite in your head with nothing more than the 4x table. For that I
zero the scales with a beaker and a spatula, before using that spatula
to pick up a dollop of yellow stuff. You multiply that weight by four
and lose a decimal point and pour in that much blue. Cheers, David Joyce
----- Original Message -----
From: Jim Thursby
Subject: RE: Introductions
Unless you are a U.S. builder, then your ratio will be 100:27. And
10th of a gram is usually more accurate than a pump in the smaller
quantities. Besides, you will need some sort of scale for the Araldite
420 anyway! If anyone is interested, I have "cheat sheets" for both
products.
Jim Thursby
-----Original Message-----
From: owner-europa@aztec.houxou.com
Cc: europa@avnet.co.uk
Subject: Re: Introductions
I would second Bryan's view on the resin pump being redundant, and
you don't even need the tables. Simply pour out a suitable amount of
hardener, multiply the figure by 4, zero the scales and pour in that
amount of resin. Couldn't be easier. Even if you are a bit bleary eyed
and overshoot the mark it is simple to add an appropriate amount more of
hardener, and I suspect the 0.1g accuracy may exceed that of the pump.
Regards, David Joyce,402
----- Original Message -----
From: BRYNALL@aol.com
Subject: Re: Introductions
Garrett
If you get an electronic scale with a zeroing feature, an epoxy
pump will be
a waste of money.
Just get an endless supply of disposable plastic cups (say, pint
size) and
prepare a chart of mixes in grams, and you have all you need for
mixing as
much as you want when you want.
Remember that there is not so much epoxy work on the XS and you
soon get
through the phase of laying up of flying surfaces. After that it
is all about
small detail lay-ups etc..
A hacksaw blade in a padsaw handle was my next most useful tool
after the
scales.
Enjoy the build.... best regards Bryan Allsop 360 BYSA
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