E-flite Brio 10 ARF - Manual (Page 26)

 7. Use a sharp hobby knife to cut the covering
slightly inside the lines drawn. Be very careful
not to cut into the underlying wood, as this will
weaken the stab and cause it to fail in flight.
Note: You can use a soldering iron or hot
knife instead of a regular old hobby knife.
This will help in reducing the chance of
damaging the wood.
 8. Slide the stab and elevator back into position.
Again, check the alignment and make sure
everything lines up. Wick Thin CA into the
joint between the fuselage and stabilizer. Make
sure to glue both top and bottom. Do not use
accelerator—allow the CA to wick in as far as
possible, providing the best bond.
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