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Grumman F7 F-3 Tigercat

 

 

 
Building instructions - Grumman F7 F-3 Tigercat 

                

 

 

58 

Plate 

 

Balsa 

2, as plan 

59 

Strip 

Balsa 

4 x 12, as plan 

60 

Strip 

 

Balsa 

15 x 10, as plan 

61 

Hinge lug 

GRP 

Ready made 

62 

Strip 

 

Balsa 

10 x 3, as plan 

63 

Strip 

 

Balsa 

10 x 8, as plan 

64 

Tube 

 

Brass 

1.5 Ø / 1.1 Ø 

 
As plan: dimensions taken from plan or model 
 
 
 
 
 
 
 
 
 

DIE-CUT SHEET DRAWINGS 

 
 

3

9

.

4

0

.

4

8

.

4

9

.

 

 

Summary of Contents for Grumman F7 F-3 Tigercat

Page 1: ...pprox 34 1 dm All up weight with 10 cells approx 1950 g Total surface area loading at 1950 g take off weight approx 57 2 g dm Wing loading wing only approx 70 9 g dm RC functions ailerons elevator rudder motor speed Replacement parts GRP fuselage Order No 1349 02 GRP nacelles Order No 1349 03 Pair wing panels Order No 1349 05 Tailplane Order No 1349 09 Canopy Order No 1349 04 aero naut Modellbau S...

Page 2: ...lying section and is applicable for both cell counts Brushless power system direct drive motors actro C 6 see section N N Order No 7002 36 Motor mount M Order No 7120 95 Propeller adaptor for 5 mm Ø shaft Order No 7124 15 With 21 5 x 15 cm 8 5 x 6 propeller Order No 7228 28 or 7229 28 Recommended battery 8 10 cells NMH 300 Order No 7443 60 Or Sanyo 2000 RC 2400 Motors with nose bulkhead mounting s...

Page 3: ...o the pushrod connector 25 Cut a slot for the aileron pushrod 32 and install the pushrod temporarily This makes it possible to paint the model and then connect the ailerons without having to remove the covering over the servo Cut out the ailerons and seal the ends with scrap wood from the die cut sheet Brushless power system Cut a slot about 40 mm long in the bottom wing skin at the nacelle positi...

Page 4: ...he wing from the underside slip the sleeve 30 on the screw shank and apply a generous fillet of resin all round the joint Cut small plywood plates and glue them to the inside face of part 3 at the same time see fuselage side elevation and section B B While the resin is still soft place the wing on the fuselage apply thickened resin to the top end of the sleeve 30 and place the fairing 3 over it Th...

Page 5: ... sections of tube 22 and tape the rudder to the fin Align the hinge lugs 62 carefully they must be central and at right angles to the tail post and press the sections of tube 22 onto the hinge lugs from above This locates the hinge system accurately and the sections of part 22 can be tacked to the false leading edge 56 using single drops of cyano Leave the fuselage standing vertically on its nose ...

Page 6: ...uickest way of trimming them is to place the cowl on the table and hold a narrow point felt tip pen against it at a height of about 2 mm Rotate the cowl through 360º to mark the cut line Cut to the line then check that the cowl fits on the nacelle snugly without being tight Sand back the outside of the nacelle slightly if necessary Cut eight discs of scrap plywood about 6 mm Ø and glue four of the...

Page 7: ...s the increased current will still be safe but the load on 480 size motors will be excessive and the brushes and commutator will not last long Nearly all computer controlled transmitters offer a method of programming the throttle channel servo travel reduction for the speed controllers as well as asymmetrical throttle channel trim i e the trim works either at the forward or back end of the stick t...

Page 8: ... 4 5 Ø 2 x 10 25 Pushrod connector 2 Plated steel 6 Ø 2 x 8 26 Dowel Beech 5 Ø as plan 27 Snake inner tube 2 Plastic 2 Ø 1 Ø as plan 28 Snake outer sleeve 2 Plastic 3 Ø 2 Ø as plan 29 Dowel Beech 4 Ø as plan 30 Tube 1 Aluminium 8 Ø 6 Ø as plan 31 Screw 1 Plastic M5 x 85 32 Pushrod 2 Steel 0 6 Ø as plan 33 Screw 6 Plastic M4 x 30 34 Mild steel rod 1 Plated steel 1 5 Ø as plan 35 Servo support Plywo...

Page 9: ...late Balsa 2 as plan 59 Strip 1 Balsa 4 x 12 as plan 60 Strip Balsa 15 x 10 as plan 61 Hinge lug 3 GRP Ready made 62 Strip Balsa 10 x 3 as plan 63 Strip Balsa 10 x 8 as plan 64 Tube Brass 1 5 Ø 1 1 Ø As plan dimensions taken from plan or model DIE CUT SHEET DRAWINGS 39 40 48 49 ...

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