Page 21 - MFW June 2024
P. 21
Some general build notes;
PVA white glue was used for the majority of the
airframe build, with thin CA or 5 minute epoxy for a
few bits where different materials were used, and/or I
was pressed for time.
The 0.4mm ply used for the doublers proved too Second wing panel glued up, then both panels sanded to final shape.
After applying 3”
expensive to source so it was replaced with 0.8mm wing bandage and
ply I already had; the hardwood engine bearers were PVA to top surface
of centre joint,
also a little oversize, resulting in a little more weight in folding bandage
the airframe. underneath LE &
I also opted to cover the wings with doped tissue, as T E, 0.8mm ply
r e i n f o r c e m e n t
this finish toughens the all wood surfaces added to upper &
considerably without adding too much weight. lower surfaces of
The originally intended CA hinges turned out to be LE / TE to prevent
r u b b e r b a n d s
too stiff, so were replaced with kevlar thread sewn cutting into softer
hinges, which provided much improved free wing sheeting.
T h e s e a l s o
movement of control surfaces. strengthen wing
joint.
23rd January 2024:
Plan file sourced online and printed full size at local copy
shop
‘Kit’ made up of wing/tail
parts
Initial fuselage pieces prepared, spruce 1/8” x 3/8” longerons, 1/8” sides
After pre-shaping the and 1/2” x 3/8” hardwood engine bearers.
leading edge sheet with a
razor plane and sanding After gluing sides to
block, ribs pinned to longerons, bearers glued
board and L E sheet to longerons as well as
glued. s p r u c e w i n g m o u n t
reinforcement.
Formers made up using
scrap 1/8” lite-ply. Also
extra former 1a made up
f r o m 1 / 8 ” b a l s a t o
partition off fuel bay.
Rear wing sheet
glued.
Formers glued to
one side, ensuring
squareness.
Tail plane 1/8”
s h e e t p a r t s
taped and glued
together.
25th January 2024
24th January 2024
S e c o n d w i n g
panel glued up,
then both panels
sanded to final
shape.
Second side glued and clamped, again checking for squareness
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