Skyshark P-40N Manual Download Page 3

Items needed to complete your P-40N ARF:

Thin CA glue
Medium CA glue
Thick CA glue
5 minute epoxy
30 minute epoxy
Epoxy brushes
Red threadlocking compound
RC-56 canopy glue
Masking tape
Fuel Tubing
EZ fueler or fueling dots
Rubber Bands
Misc.  tools  for  building  including:  Screwdrivers,  hex
wrenches, pliers, scissors, sandpaper, files, etc.
Battery

Retractable main gear (Sierra Giant Scale or other)
Retractable tail gear (Sierra Giant Scale or other)
Air control kit
(2) 5.5” Heavy duty main wheels
(1) 2” Heavy duty tail wheel
(2) Standard servos (throttle & retract valve)
(6) High torque servos (61 oz. or higher)
(1) High torque metal gear servo (120 oz. or higher)
(7) Extra long servo arms
(2) 12" Servo extensions 
(5) 24” Servo extensions
(2) Sullivan S517 pushrods (optional center servo)
(1) 4-40 Pull-pull setup (option center servo)
(1) Tru-turn spinner adapter to fit your motor
Y-harness - up to 4 (optional) 

Flying: 

None  of  the  prototypes  weighed  over  21lbs.,  though  the
weight  range  specified  allows  for  more  individual  varia-
tions. 

Ground  handling  is  typical  of  any  short  coupled  airplane.
Advance the throttle slowly and be sure to stay on the rud-
der or you will experience ground looping.

There is nothing out of the ordinary to note about takeoffs.
Advance the the throttle slowly and let the plane build up
speed. It will lift off with very little elevator input. Be careful
while  using  the  rudder  in  the  air.  Too  much  rudder  will
cause the plane to stall and go into a spin.

Landings  should  be  done  with  a  low  throttle  setting  and
flaps. Be careful not to use too much rudder on landing or
the plane will tip stall. The best way to land is line the plane
up and let it drift down while keeping a slow throttle setting.
Use as little rudder as possible to keep the airplane flying
straight.  The  wing  is  designed  to  help  reduce  tip  stalls  at
lower speeds. Due to this, the Skyshark P-40 can be land-
ed a little slower than most other P-40s in this size range.
Be careful of too much landing speed or the plane will nose
over once the wheels touch the ground.

Windy conditions: Do not attempt to fly in a high crosswind
unless you are very comfortable with the characteristics of
the plane. In the air, you won’t notice the wind but during
landing, the airplane will tend to weathervane and require a
lot of rudder. (see my previous rudder on landing warning!)
Landing  in  head  wind  is  no  problem  and  is  actually  pre-
ferred!

Notes:

2

Summary of Contents for P-40N

Page 1: ...alsa and ply wing covered and painted Pin hinges for all control surfaces Hand Painted fiberglass cowl Quality USA made 4 40 hardware included Extra heavy duty fiberglass accessories Designed for retr...

Page 2: ...from us If you would like to purchase replacement parts please call our customer service line at 1 866 854 6100 We will be happy to assist you with anything that you need General Building Information...

Page 3: ...e to stay on the rud der or you will experience ground looping There is nothing out of the ordinary to note about takeoffs Advance the the throttle slowly and let the plane build up speed It will lift...

Page 4: ...he pushrods line up with the hardwood blocks in the ailerons and flaps 4 Align the servo on the servo cover so the arm is centered in the slot Glue the mounting blocks to the servo cover as shown usin...

Page 5: ...to the holes in the wing trailing edge Tape the flap in place and allow the epoxy to dry There should less than a 1 16 gap between the flap and trailing edge of the wing Repeat the above process for t...

Page 6: ...ol surface centered attach a 4 40 clevis to the servo arm and control horn Measure and cut a piece of 4 40 threaded rod to the correct length You can either solder one clevis onto the con trol rod or...

Page 7: ...ed locations 22 Place the template onto the fuselage so the crease is facing up Make sure it is flush against the wing saddle and with the front dowel mounting plate Mark the location of the wing dowe...

Page 8: ...s into place Insure the dowels extend 5 8 from the wing leading edge 26 Place the wing on the fuselage and double check the wing dowel alignment Once everything is aligned drill two 1 4 holes in the f...

Page 9: ...ned up edges wrong con tour etc you can adjust it by taping the edges with masking tape and using a heat gun to soften the fiberglass while carefully pressing it into place with a gloved hand You may...

Page 10: ...d fit the belly pan to the wing Apply weight to the belly pan until the epoxy has cured We use socks filled with lead shot for this task but maga zines or plastic bags filled with sand also work 37 On...

Page 11: ...tom of the stab through the tail wheel retract area Apply a thin layer of epoxy to the stab in this area in insure everything is secure 45 Place a 1 1 8 control horn 1 8 from the inner edge of one ele...

Page 12: ...gned use a 7 32 drill bit to mark the bolt holes on the firewall box 52 Remove the mount and drill four 15 64 holes in the firewall 53 Install four 10 32 blind nuts in the back of the firewall and che...

Page 13: ...as is required then you may need to make a small adjustment of the cowl in order to fit it per fectly to the spinner backplate 58 Once you are sure of the correct cowl alignment drill 5 64 holes at v...

Page 14: ...x 3 8 button head screws and plastic washers 65 Attach the spinner backplate and prop to the engine and slide the engine in place so it is centered on the cowl opening and 1 8 from the front of the c...

Page 15: ...Connect the 4 40 ball link adapter to the control arm and install the arm on the servo 73 Cut a 4 40 threaded rod in half and thread a 4 40 nut onto one end Thread that end into the ball link adapter...

Page 16: ...spaced 1 8 hinge holes in the verti cal stab 81 Mark the the holes in the same location on the rudder and drill to 1 8 Note You many want to cut a small slot in the beveled edge of the rudder at each...

Page 17: ...rance Adjust the position as neces sary for proper clearance 92 Mark and drill four 3 32 mounting holes Remove the retract and put a few drops of thin CA in each hole 93 Install the airline per the ma...

Page 18: ...erate the valve 102 Apply 5 min epoxy to the edges of the wheel well covers and fit in place Place weights on the covers until the epoxy cures 95 Attach the wheel to the retracts 96 Retract the gear a...

Page 19: ...cures 106 Locate the black instrument panel clear gauge lens and paper gauge face 107 Cut the paper gauge face and clear lens piece to size as shown 108 Use medium CA or 5 min epoxy to glue the clear...

Page 20: ...Note This is the forward most CG You can gradually move it back as you become com fortable flying the plane 116 Carefully cut the exhaust stacks along the outside of the mold ed lines Sand them along...

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