R

Retract unit mount2 layers of 3mm liteply

between 0.8mm birch ply(Total thickness 7.6mm) Rudder post

5mm balsa

Seat horn on 3mm balthen edge with balsa to

Rudder h1mm alum

R1

R2

R3

R4

R5

R6

R7

R8

R9

R10

Fin & rudder ribs1.5mm balsa

Sand slots for hinges before glueingboth halves of spar together

Round-off to 'soften' edge

R8

Also applicable to tailplane

Rudder perimeter frame0.4mm ply

alsa above R2to support covering

r hornminium

Horn seat

T1

T2

T3

T4

T5

T6

T7

T8

T9

Rudder trim-tab core0.4mm ply

Tailplane & elevator ribs1.5mm balsa(Two sets required)

3mm balsa between T1 & T1

Cut centre away afterplanking wing root fairing

Elevator trim-tab core0.4mm ply

grai

nWing root fairing base0.4mm birch ply

(True length shown)

Elevator perimeter frame0.4mm ply

CONSTRUCTION GUIDELINESFOR ELEVATORS & RUDDERGlue leading & trailing edges to one sideof plywood perimeter frame.Add notched half of ribs.Part sheet one side whilst maintaining flatness.Add other halves of leading & trailing edges.Add other halves of ribs.Part sheet remaining side.Sand to finish

SPITFIRFirst in a series of 1/

SHEET 2 DesignedFor 500/600

Wing-tip core0.4mm ply

R

MkIX

Carburettor air intakeHollowed block balsa

RE/9th scale WW2 aircraft

2000ed by Dave Philpotts0 geared electric motors

Radiator cowl sides2.5 balsa

Radiator cowl assembly jig3mm balsa

o

Pin jig to wing using balsapacking such that cowl sideswill be at 90 to cowl bottom.Pin cowl sides to jig.Cyano cowl sides to wing.Remove jig.Sheet underside of cowl

X

Wing centre section assembly jig2-off 10mm balsa

Use in conjunction with 2 lengths of3mm dia. piano wire approx. 250 long

Exit holes for servo leads &u/c. retract tubes in top surface

W3 W2 W1

60.0000

for this length

Cut lower spar here afterboxing in around retract unit

Under-wing fairing8mm balsa

W3 W4 W5W1 W2

3mm hard balsa gusset(Replaces lower spar in this area)

Wheel-well from 2 laminations of 1mm balsaglued together using impact adhesive.Grain vertical.Cut slot to clear u/c. leg and retract cylinder

Trapan circular cutoutin underside wing sheetbefore assembly

2.5mm balsa full depth of wingeach side of undercarriage leg aperture.Start by making card template

3mm sq. against gusset & rib

PLAN VIEW OF WINGUPPER SHEETING NOT SHOWN

Alternative shrouded hinge design.Requires 5mm thick fin post.Also applicable to tailplane

it

W6 W7 W8 W9

Servo accessUnderside only

(Size to suit servo)

Spars 3mm sq. hard balsa

2.5mm balsa false lHeat inside to assiscurvature around rib

Leading edge from2 laminations of 3mm balsa

Cannon from aluminium tube & balsa

2.4mboth

W10 W11 W12

Full length lower spar.Top spar to W11 with shapedsheet balsa between W11 & W12

e leading edge.ist smoothribs

Laminated wingtipBalsa/0.4mm birch ply/balsa

when glueing aileron spar

Temporary rib-support spar.Remove after sheeting undersidof wing

Wings sheeted with three panels joined on spars.With care, these two panels maybe cut from one 1.5 x 100 x 1000 sheet of balsa

W5

W6

W7

W8

W9

W10

W11

W12

mm balsa full depth of wingh sides of undercarriage slot

Cutout to suit servo

RemaftePar

Remove this area to clear wheel wellafter sheeting underside of wing.Part-cut beforehand

side

o

emove this area to clear retract cylinderter sheeting underside of wing.art-cut beforehand

1.5sq. balsa local reinforcement

Pin-jointed leaf hinge

Sand lig

Centre section sheeting 2.5mm balsa

3mm ba(Not sh

Blend with filler

lightly to blend

84°

Note inclination of W3

Alignment dowels

Balsa filler piece

balsa doublersshown in plan)

Cut lower front spar here toclear u/c retract unit aftersheeting underside centre panel

Outboard panel sheeting 1.5mm balsaSand before applying

270°

Wing washout jig3mm balsa

Laminated trailing edgeBalsa/0.4mm birch ply/balsa

Remafter

2.5mm thick balsaunit to support un& end of lower sp

Note flat underside to wing panels

Reduce thickness of rear spars at ends

Dihedral jig

Align underside rear of W11 with inboard ribswhen glueing aileron spar

Laminated aileronBalsa/0.4mm birch ply/balsaTack-glue to wing when sanding to shape

IMPORTANT! ARemove this are1.5mm sheetingrib profile and ceRemove finally aunderside of cen

W4

W1

W2

W3

Drill 3mm holes, cut spar slotsand shape profiles of W1 & W2together as a set of four.Separate into pairs to finish

Temporary reinforcemenduring assembly

move shaded areaser fitting u/c mounts

Rem

sa box around retractnderside sheeting

spar

WingRemMake

Notch after assembly toclear air retract tube

Accuracy essential.rea & check forg allowance betweencentre section then replace.

y after sheetingentre panel.

ent

Cut slots for 0.4mm ply trailing edgeusing junior hacksaw fitted withmetal-cutting blade

Chamfer bottom of rib

Chamfer allowance madeon top of rib

emove this area to clear retract cylinder

ng ribs W1, W2 & W3 from 3mm liteply.mainder from 2mm liteply.

ake in pairs with aid of double-sided tape

to