Kramme & Zeuthen (SAI) Designations

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Kramme & Zeuthen (Skandinavisk Aero Industri) KZ- Aircraft Designations

KZ Number Designations 1937-1951


KZ I - 1937 single-seat, low-winged light sport plane, x 1 (prototype only)
- KZ I : 1 x 38 hp ABC Scorpion air-cooled HO2, span 7.20 m

KZ II - 1937 2o-seat, low-winged sport plane, side-by-side or tandem, x 45
- KZ II : Steel-tube fuselage, folding ply-covered wood wings, span 10.20 m
- KZ II Kupé : Coupé, canopy, 1 x 90 hp Gipsy Minor or Cirrus Minor I, x 14
- KZ II Sport : Open cockpits, 1 x 105 hp Hirth HM 504A, x 16
- KZ II Træner : Post WWII military trainer, 145 hp DH Gipsy Major, x 15

KZ III : 1944 Laerke high-winged light utility a/c, x 64
- KZ III: Braced wooden wings, steel-tube fuselage
- KZ III: 1 x 100 hp Cirrus Minor II, span 9.60 m
-- KZ III prototype was Zone-Redningskorpset ambulance
-- KZ III production run ran from 1946-to-1951

KZ IV - 1944 low-winged, twin engined transport, x 2
- KZ IV: Slotted wings, twin tails, trousered main u/c
- KZ IV: 2 x inverted 4-cylinder engines,* span 16.00 m
- KZ IV: Orig. developed as an ambulance aircraft
-- * 1944 KZ IV OY-DIZ: 2 x 100 hp Cirrus Minor II
-- * 1949 KZ IV OY-DZU: 2 x 145 hp DH Gipsy Major X

KZ V - (Project) Twin-engined low-wing light transport a/c
- KZ V : Rounded nose, tractor inlines, 'taildragger' u/c
-- https://www.secretprojects.co.uk/threads/kramme-zeuthen-projects.3671/#post-69449

KZ VI - (Project) Twin-engined high-wing 4-seat light a/c
- KZ VI: Rounded nose, pusher props, fixed landing gear*
-- * Tricycle landing gear, spats on main wheels only
-- https://www.secretprojects.co.uk/threads/kramme-zeuthen-projects.3671/#post-106819

KZ VII - 1946 Lærke high-wing light utility a/c, x 56*
- KZ VII: 4-seat cabin a/c based on SAI KZ III airframe
- KZ VII: 1 x 125 hp Continental C-125-2 HO6,** span 9.60 m
-- * 22 incomplete KZ VII destroyed in 1947 SAI factory fire
-- ** Or 1 x 145 hp Continental O-300-D HO6 engine

KZ VIII - 1949 single-seat, low-winged, aerobatic a/c, x 2
- KZ VIII: Specifically for Sylvest Jensens Luftcirkus
- KZ VIII: 1 x 145 hp DH Gipsy Major X, span 7.20 m
-- Designed by MFI's Swedish designer, Björn Andreasson

KZ IX - 1950 replica of single-seat 1909 Ellehammer monoplane
- KZ IX: 1 x 85 hp Cirrus Hermes, span 12.80 m (?)
-- KZ IX replica commissioned by Sylvest Jensens Luftcirkus
- KX IX: aka KZ Ellehammer

KZ X - 1951 2-3-seat artillery spotter/observation a/c, x 12
- KZ X: High-winged monoplane derived from the KZ VII
- KZ X: 1 x 145 hp Continental C-145-2 HO6, span 9.41 m
- KZ X: For Hærens Flyvetjeneste (Danish Army Air Corps)
- KZ X: aka KZ 10/KZ-10, crew side-by-side + rear jump seat
-- Instability issues resulted in early retirement of KZ Xs

KZ XI - (Project) Single-seat, single-engine agricultural a/c
- KZ XI: Low-winged, fixed tricycle u/c, podded hopper (?)
-- https://www.secretprojects.co.uk/threads/kramme-zeuthen-projects.3671/#post-72793

Anomalous Kramme & Zeuthen (SAI) Aircraft Designations

KZ G-I - 1943 high-winged single-seat basic training glider, x 1
- KZ G-I: Open-framed fuselage, cantilever wings, span 10.54 m
- KZ G-I: Zögling/SG-38 repl., rejected in favour of Polyt 1
-- After rejection, to civil use as OY-54, later OY-ASX

(??) - (Project) Reklamefly* light twin-engined a/c
- (??): Low-wing cabin (?)** a/c w/ horiz.-opposed engined
- (??): Untapered wings with outer dihedral, retr. u/c (?)
-- * Reklamefly translates as 'advertising airplane'
-- ** Note that no cabin windows are in evidence
-- https://www.secretprojects.co.uk/threads/kramme-zeuthen-projects.3671/#post-145588
 
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