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Carf-Models Sukhoi SU-27 Instruction Manual page 4

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Adhesives and Solvents
Not all types of glue are suited to working with composite parts. Please don't use inferior
quality glue you will end up with a inferior quality plane. That is not strong or save. Jet models
require good gluing techniques, due to the higher flying speeds, and hence higher loads on
many of the joints. We highly recommend that you use a slow curing epoxy such a 24hr resin
and fill it with cotton flock or thixo for gluing highly stressed joints.
We take great care during production at the factory to ensure that all joints are properly
glued but of course it is wise to check these yourself and regular any might just have been
missed. When sanding areas on the inside of the composite sandwich parts to prepare the
surface for gluing something onto it, do not sand trough the layer of lightweight glass cloth on
the inside foam sandwich. It is only necessary to rough up the surface, with 120grit and wipe
of any dust with acetone or de-natured alcohol before gluing to make a perfect joint. Of
course, you should always prepare both parts to be joined before gluing for the highest
quality joints. Don't use ACETON for cleaning external painted surfaces as you will damage
the paint.
TIP:
For cleaning small spots or marks off the painted surface you can use liquid cigarette-lighter
fuel.
Tip:
Use only high quality 5 or 30 min epoxy, since the cheap brands of this kind of glue are not
moisture resistant like a proper resin. You will notice this as older bondings change their
color and get more and more soft until the bond eventually fails.
At CARF Models we try our best to offer you a high quality kit, with outstanding value-for-
money and as complete as possible. However, if you think that some additional or different
hardware should be included, please feel free to let us know.
Email us : feedback@carf-models.com.
We know that even good things can be made better!
4

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This manual is also suitable for:

Sukhoi su-30