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49” Vulcan- Ducted fan version build photos
Some of the useful tools, glues and fillers required…plus a quality razor plane
Make up W1
To avoid confusion, mark top of W2
Line the edge of FS1 & FS2 with 3mm sq Obechi strip
Check fan unit fits
Run white glue round the edges to add extra support
Make up the thrust tubes from 140micro acetate or A3 laminating pouches (heat sealed)
Cut from 9mm reinforcement pieces RF1 (template on plan)
Remove sections of under sheeting and top sheeting to allow duct to sit in outlet ring ER1
Worth installing speed controller and wiring motors and battery leads and fit ER2
Sheet under side between ducts
Sheet the rear tailpipes on the underside between ER1 & 2 (templates on plan)
Glue fan locking pieces (scrap 6mm sq) to fan casings or use silicon sealant to secure
Make wiring holes as required
Continue sheeting underside
Nose fuselage section
Sheet the fuselage underside (note; sections left out to assist joining of wing spar)
Fit air intake leading edges
Nose retract mounting rails (if required)
Duct support piece fitted (from 6mmsq balsa)
Front duct support
Continue to sheet
Underside sheeting. Note curve edging
Nose sheeting (template on plan)
Wedge shape infill piece
Test fit faring piece, but don’t glue
Continue to sheet nose section
Make up a nose block from laminating 12mm balsa
Measure and mark on the turtle deck former. Note the slot cut through top & bottom sheeting to
take F15
Fit the turtle deck formers using a rule to check alignment
Add stringer and using template, cut a pair of side pieces
Make up the rear fuselage section
Cut a marker slot for T6
Intake duct tube(from soft balsa) wetted on the outside to assist roll (template on plan)
Sliced at an angle to form two ducts
For the ducted fan version, trim the back edge to the angle to the 6mm x 3mm spar line
Gently offer into opening (still wet)
Trim edging and offer up intake fairing
Glue and blend in filler
Wings
Chamfer and slot bottom spar as detailed on the plan
Fit spar and add ribs
Add trailing edge
W3 to sit perpendicular then add front top spar
Add centre inner leading edge
Add remaining leading edge piece
Retract mounts (if required)
Trim slot in W2 to accept wing spars
Butt glue wing structure to fuselage using epoxy or white glue
Wing spar glued on to fuselage spar
Sheet top wing first. Remember to run all servo wiring at this stage
Sheet bottom wing
In-fill left out sections in fuselage underside
Sand flush
Cut away access retracts and elevon servos
Add outer leading edge
Blend wing the fuselage with filler
Profile leading edge
Make up, fit and profile wing tips
Make up inner Elevon
Make up outer elevon
Joint method of inner to outer to make split elevon
Fin and Rudder
Fin built up over the plan
Sheeting the fin. Note the profile and slot
Rudder make up
Trim away top of turtle deck as show to allow fin to recess
Fin glues into position and fillet formers added
Edge framing for the VAC formed cover
Use lightweight filler to blend in joints
Nose retract installation
Main retract installation
Optional Rudder installation
VAV forms access hatch
Battery Hatch cover- tongue slides under sheeting
Battery hatch secured with a single screw