Spitfire MK14 (oz1099)


Spitfire MK14 (oz1099) by PL Whittaker from Aeromodeller 1955 - plan thumbnail

About this Plan

Scale FF design for .5 to .75 engines. Knock off wings.

Quote: "All stability problems are neatly solved by incorporated engine offset and a cambered rudder on this perfect replica of the famous Vickers-Supermarine fighter

This model is strong - virtually crashproof, a realistic performer, and stable enough to fly on a windy day. Pete Whittaker had in mind a scale model which would withstand all early misadventures and prangs to reach maturity without perpetual repairs and patch work quilt appearance. This was achieved, and after many flights the prototype bears only the small scar of a grid power line 120 ft above ferra firma - yes, it will climb! Clean lines enable an Albon Merlin to haul the 19 ounce gross weight off the ground in 6 yards in still air, or less with a breeze.

In the hope that the propeller should point more to the front, and not out of a starboard exhaust pipe, torque is partly cancelled by the 'one-sided' fin section. Even so, engine bearers have built-in offset and downthrust, matched by former No.1, thus preserving the smooth profile of the nose.

A word of warning - use the timbers specified, and put them where specified, the C of G has to be squeezed as low as possible.

Fuselage: Trace a spare sideview and build left and right-handed fuselage halves, using balsa Li-ply for formers 2,3 and 4, together with the two wing root ribs on each side.

Cement the two halves together, ensuring accuracy of line. Set the engine bearers into former no.1, persuade the bearers through the offset holes in formers 2 and 3 and cement in place. Next fit former 9 (also rudder post). Carve lower nose from soft block, cement home and sand to shape. Sheet the entire fuselage with 1/32 medium sheet - preforming with steam, water and persuasion - using one sheet for the entire top from formers 2 and 9. Now apply sheeting from wing TE rearwards..."

Update 02/03/2016: Article page thanks to RFJ.

Supplementary file notes

Article page thanks to RFJ.


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Spitfire MK14 (oz1099) by PL Whittaker from Aeromodeller 1955 - model pic


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Spitfire MK14 (oz1099) by PL Whittaker from Aeromodeller 1955 - pic 003.jpg
Spitfire MK14 (oz1099) by PL Whittaker from Aeromodeller 1955 - pic 004.jpg

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User comments

Hi Steve, Sorry to be pedantic, but the actual publication date for this plan was Aeromodeller November 1955.
Norm - 13/08/2014
I built a Mills powered Ebenezer (oz2208), a Pee Wee powered free flight Guided Mite (oz4269) and then decided to build this Whittaker Spitfire XIV with DC Merlin Power [model pics and more pics 003]. Not a very accurate profile (on bubble canopy Spitfires the rear deck should be slightly higher than the cowling) and the canopy is too large. In fact the canopy moulding defeated me so I just hollowed out the pattern and stuck it on top. Initially I built it without an undercarriage and it flew beautifully - at least twice. I still remember the startled passengers on the local bus as it flew parallel to them across Minchinhampton Common. Really P.E. Norman 'crash-proof' construction is not the way to go with a Spitfire. The Stan Cole Spitfire VB (oz1641) is a better bet, especially if you realise that the longish nose is better interpreted as a Mk IX! Incidentally the Keel Kraft Supersonic Spinner suited this model ideally.
Richard Falconer - 12/02/2020
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