Carf-Models Ultra Lightning, Инструкция по эксплуатации

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Ailerons
The aileron servos are mounted on milled plywood mounts,
supplied, and these are secured in the wing with three M3
x 12mm bolts and M3 washers onto the pre-installed plates
(photo P22). Please don’t forget the washers as otherwise
the bolts could touch the top wing surface. Make up the
servo mounts as shown in the photo here. Glue together
with thin CA, and then glue securely with a good fillet of
epoxy (photo P23). These are important joints so make
sure to prepare the surfaces well before gluing together. Fit
the metal servo arms to the servos, and centre them using
your transmitter.
Mount your servos using the supplied 2.9 Ø x13mm sheetmetal screws. Attach an M3 ball link
to the inner side of the servo arms using an M3 bolt (photo P23). If using SWB 1” arms you
will need to cut off the last hole, and use the hole that is 22mm (7/8”) from the centre of the
servo arm securing bolt, and re-drill the hole in the arm 2.8mm diameter. There is a milled hole
in the corner of the aileron servo bay to route the extension lead under the retracts, and then
forward through the holes in the balsa spar box to the wing root.
Make up the linkages using the 150mm long M3 all-threaded rod, and an M3 ball-link that is
sandwiched between the dual phenolic aileron horns with an M3 x 20mm bolt and M3 locknut.
Use one plain M3 nut against each ball-link to lock it in position (photo P24).
Important: The plywood plates that the aileron servo mount is bolted to are already installed in
the wing for you, with the M3 T-nuts sandwiched between a 3mm plywood plate and a 5mm
balsa plate that is bonded to the underneath of the top wing surface at the factory. Do
not add
any extra glue around the curved plywood tabs that hold the T-nuts. If they are glued directly to
the top wing surface you will deform it when the three M3 bolts that secure the aileron mount
are tightened.
Flaps/Spoilers
The milled plywood flap servo mounts are already installed for you. Fit 1” SWB servo arms to
your servos, and centre them with the R/C so that at the flaps ‘up’ position the arms are both
angled forwards the same amount - about 45 degrees. You will need to cut the last 2 holes off
the 1” SWB arms and use the 2nd hole out from the centre (18mm or 3/4”) of the servo arm,
and drill 2.8mm Ø for the M3 x16 bolt and lock-nut that secures the ball-links onto the arms. Fit
the servos with the arms towards the top wing surface, at the front of the servo. Secure with
2.9 Ø x 13mm screws provided (photo P25).
The linkage is made up from the M3 all-thread x 75mm, with the ball-link on the servo end,
secured with an M3 x16 bolt and locknut, and an M3 aluminium clevise with pin and E-clip to
connect to the phenolic flap horn. Adjust the small milled slots in the fibreglass flap glove to
clear the linkage at full throw, which is about 45 degrees for landing. You can shape them like
a ‘keyhole’ to clear the linkage and clevise at the top, and just a narrow slot at the bottom for
the phenolic flap horn (photo P26).
Flap Hinges
Because of the high loads on the big flaps at large deflections we have installed a pair of phe-
nolic hinges to support them, as well as the elastic hinge. A few early kits were shipped without
this improvement, but these phenolic hinges can be easily retro-fitted by you, which we strong-
18
(above) Milled plywood aileron
servo mounts glued with CA, and
then with epoxy when complete.