Photo gallery 1
Here are a few photos of some of my own models, with accompanying notes.
24" span Corben Super Ace
Built from the Golden Age kit,
but modified to CO2 power. The model was pretty much
as per the kit, with the main modification being the
addition of a 1/16" ply bulkhead for the Gasparin GM 120 motor. The front nose
block was hollowed out to fit around the front of the motor, and made removable
to allow adjustments and motor lubrication. The lower nose block, including
the radiator, was also modified so it could be removed to allow access to the
back of the engine mounting bolts. The filler nozzle for the motor protrudes
through the wing centre section - not very elegant, but functional!
Some extra structure was added to the fuselage - new diagonals on the sides,
and some sheeting in the region of the undercarriage. I added hinged trim tabs
to the fin and elevator to allow some fine tuning of the flight pattern. A
sprung undercarriage was made by mounting the wheels on a conventional wire
landing gear, bound and glued to the fuselage, but not in any way connected to
the balsa landing gear struts. The wires are practically invisible, as they
sit inboard of the balsa struts. This has proved very successful, and is
something I use now wherever possible on vintage scale designs (I cannot claim
this idea as my own - I copied it from a Walt Mooney peanut scale model plan).
Model is covered with yellow Japanese tissue, with the black areas painted using
black dope. The areas were outlined first with thin black tissue stripes (the
shapes being traced from the plan), and the dope simply brush painted up to
these edges. The Corben and Super Ace decals were home made using the artwork
on the plan and a photocopier. Wing numbers were cut out from black tissue and
doped in position.
Total model weight (with motor) is 45g. It flies very well - stable and
predictable. the Gasparin CO2 motor is a little gem, and the model cruises
round for a minute or so quite happily on a normal charge.
Since writing the above, the model has been retired after a good few year's service (one repair too many) and all the
useful bits stored for recycling. The Motor may well find its way into a Pfalz D.111a - we'll have to wait and see.
24" span Douglas Y10-43
Another Golden Age kit, this time converted to electric power.
As with the Corben, not too many alterations to the kit plan were made. Again,
a ply bulkhead was added to mount the Knight and Pridham KP-01 electric motor.
As the aircraft has a fairly long nose, the battery pack was mounted as far
back as the wires would allow - in this case in the radiator housing.
Originally the model only had two cells, as supplied with the motor when I
first got it (it has been in two other models before this one!) but this proved
underpowered, and now three cells have been installed. A wire wing saddle was
incorporated into the centre section wing struts to add strength. Nylon
fishing line was used for the rigging, and this adds a lot of strength to the
wing mount (especially as the wires are doubled).
A sprung undercarriage as per the Corben was added, and the fin modified so
that it was in two halves. This allowed the lower half to be attached to the
fuselage, the tailplane added, then the upper half glued on.
Finish is coloured Japanese tissue, as supplied, and the kit decals were used.
The crew are from Small Scale Services (vac-form, very light) - the gunner has
his head cut off and glued back on at an angle, to add a bit of variety - also
gave him a moustache!
Now it has the extra cell, the model flies very well, despite its hefty weight
of 77g, and the eliptical wingtips. Doesn't climb terribly high, but cruises
around at 20 feet or so. If I was building the model again, I would mount the
battery pack even further back, as with the three cells I had to add some
tailweight to get a reasonable centre of gravity position (I HATE doing that!)
This is another model that has now gone to that great scrapyard in the sky - it fell off
the top of a tall bookcase (no wheel chocks!) Still, it gives me room to store another one.
20" span rubber powered Messerschmitt Me209
Built from the John Bell plan.
I really enjoyed
building this one, especially all the sheet balsa in-filling around the nose,
and I took the view that if it ever did actually fly, it would be a bonus. The only major change to the plan was
to add hinged trim tabs to the fin, elevators and both wings (on the basis that I would need all
the help I could get)
The original aircraft had the distinction of holding the world speed record
of 755.14 Km/hr from 1939 until 1966, when it was finally broken by a Grumman Bearcat.
The span is only 20", but it has a bulky, if well-streamlined fuselage, and
weighs in at 56g without rubber (13g of this is the prop!). Covering is blue Japanese tissue, airbrushed with a thin
coat of dark blue enamel thinned with cellulose thinners (helps the paint
adhere to the doped tissue better). Lettering is also masked and airbrushed.
Control surface outlines are thin strips of black decal. The cockpit is
stretch formed over a balsa mould, the wheels are from laminated light balsa
with aluminium tube bushes, and the propeller has a balsa spinner and blades
from two Peck plastic props.
In the years since I built this model, I have had several attempts to get it to fly,
and only this year (2001) have I had what I would call a successful, stable flight where it
looks vaguely like the pilot is in some sort of control! Earlier attempts have resulted in several broken props, and
a damaged undercarriage. The three-blade prop is very vulnerable in a fast arrival, and this plane tends to arrive
at ground level quite rapidly! Early stalling tendencies seem to have been cured now. Power is currently one
loop of 1/4" rubber, and it lands with some turns still on. Dare I increase the power and make it go even faster?!
Flight pattern is usually pretty straight to start off with, with a high speed gradual climb, then a gentle left turn
before the landing. I reckon it has only managed to stay up for about 20 seconds, but it somehow seems longer when it is in the air!
16" Span Curtiss Hawk P-6E
This model was built from the pre-war Comet plan, with just one or two
The basic design is first class, and looks pretty accurate, capturing the
of this colourful little aircraft. I enlarged the tailplane slightly (106% linear on a photocopier), and
made it a
one-piece affair, fitting into a slot in the rear fuselage. The undercarriage
joining the wheel pants to the fuselage is not attached to the undercarriage
legs - this
gives it some spring to reduce shock loads on landing. All wing struts are
balsa, but I
reinforced the attachment points of the centre section struts, and used nylon
for rigging. I made a decent sized removable noseblock, and fitted a cut-down
Fuselage is covered in SAMS Super Lite brown tissue, which had been dyed with
colouring to turn it into a nice olive drab shade. The flying surfaces were
yellow Japanese tissue. Markings are a mixture of coloured tissue, painting with
and home-made decals (for the eagles on the fuselage sides). I know the red
on the upper wings are incorrect (the stripe(s) should run spanwise), but I
wanted to finish
the model in the scheme shown on the kit plan. All-up weight, without rubber,
came out at 24 g - not too bad considering all the added details.
The pilot is 1/24 scale from Small Scale Custom Services
Somewhat to my surprise, this model flew "straight off the board" after a bit
of tailplane shimming, and seems to be very stable. It flies in left hand
circuits as if on rails, and the main limit on performance seems to be the
relatively short fuselage, limiting the length of rubber that can be used. Up
to now, indoor flights of around 30 seconds using 1000 winds have been
achieved using two loops of .075" rubber.
With a bit more rubber, the model was flown outdoor at the Nexus scale weekend
at Old Warden (June 1999). Two loops of 0.085" rubber gave a good rate of climb,
and a best time of 38 seconds was obtained.
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