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Daimler CL.I (L8)


Two-Seat, Single-Engine Escort Fighter Prototype


Imperial Germany | 1918



"The Daimler Cl.I escort fighter was the second biplane promoted by the company during World War 1 - only one was completed."



Authored By: Staff Writer | Last Edited: 10/07/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
During World War 1 (1914-1918), automotive specialist Daimler (Diamler-Motorengesellschaft-Werke) of the German Empire was asked by authorities to turn their attention towards fighter-building. This resulted in the concern establishing such a division in the summer of 1915 and, in 1917, engineers drew up plans for their first entry - the Daimler "D.I" (company designation of "L6"). The D.I was a largely conventional offering of the period, given equal-span, single-bay wing mainplanes, an open-air cockpit, twin machine guns (7.92mm), and a fixed "tail-dragger" undercarriage. Reviewed for type certification in March of 1918, the design was slightly modified to rectify several issues - resulting in a production contract handed down for twenty aircraft. However, just six were completed before the Armistice of November 1918 and deliveries did not commence until the month after.

During the war, the company went to work on another biplane type, this two-seater single-engine form intended for the bomber escort role while retaining fighter-like capabilities. The resulting design was the Daimler Cl.I - known internally as the "L8".

The aircraft sat its crew of two in tandem with the pilot at front and the gunner/observer to the rear in open-air cockpits. The engine was fitted at front in the usual way and well-streamlined in its housing as seen as the earlier L6 thanks to the large spinner. Again, the in-house Daimler D.IIIb V8 water-cooled engine of 185 horsepower was selected to power the type (driving a two-bladed, fixed-pitch propeller unit at the nose) and armament was reduced to just one 7.92mm air-cooled, belt-fed machine gun in a fixed, forward-firing mounting shooting through the spinning propeller blades (via "interrupter" gear). The loss of one forward-facing machine gun was offset by the addition of a single 7.92mm Parabellum type seated on a trainable mounting at the rear cockpit - giving better all-round coverage.

The over-under biplane wing arrangement was of unequal span, forming single bays with applicable cabling for support and parallel struts were again used in this Daimler design. Vision out-of-the-cockpit was as good as could be considering the mainplane's positions but a cut-out in the trailing edge of the upper wing member helped.

Despite all of the work and promise, the L8 was doomed by the arrival of the end of the war - this resulted in just one flyable prototype being realized. The project saw some renewed life in July of 1919 when the aircraft was offered to Chile for its air service but the offer was not taken up - bringing about an official end to the CL.I in full.

As it stood, the CL.I was flown to speeds of 93 miles-per-hour (cruising being closer to 85mph) - considerably slower than the earlier fighter-minded L6 - and had an endurance of about four hours in the air.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Daimler CL.I Two-Seat, Single-Engine Escort Fighter Prototype.
1 x Daimler D.IIIb V8 water-cooled engine developing 185 horsepower driving two-bladed propeller unit at the nose.
Propulsion
93 mph
150 kph | 81 kts
Max Speed
16,404 ft
5,000 m | 3 miles
Service Ceiling
186 miles
300 km | 162 nm
Operational Range
550 ft/min
168 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Daimler CL.I Two-Seat, Single-Engine Escort Fighter Prototype.
2
(MANNED)
Crew
24.4 ft
7.45 m
O/A Length
38.8 ft
(11.82 m)
O/A Width
9.7 ft
(2.95 m)
O/A Height
1,808 lb
(820 kg)
Empty Weight
2,712 lb
(1,230 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Daimler CL.I (L8) Two-Seat, Single-Engine Escort Fighter Prototype .
1 x 7.92mm LMG 08/15 air-cooled, belt-fed machine gun in fixed, forward-firing mounting synchronized to fire through the spinning propeller blades.
1 x 7.92mm Parabellum machine gun on trainable mounting in rear cockpit.
Variants
Notable series variants as part of the Daimler CL.I (L8) family line.
CL.I - Base Series Designation; single flyable example completed.
L8 - Daimler company designation of the Cl.I.
Operators
Global customers who have evaluated and/or operated the Daimler CL.I (L8). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units

Contractor(s): Daimler-Motoren-Gesellschaft (Daimler) - German Empire
National flag of the German Empire

[ German Empire ]
Relative Max Speed
Hi: 100mph
Lo: 50mph
Aircraft Max Listed Speed (93mph).

Graph Average of 75 MPH.
Era Crossover
Pie graph section
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
1
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
EarlyYrs
WWI
Interwar
WWII
ColdWar
Postwar
Modern
Future
1 / 1
Image of the Daimler CL.I (L8)
Image from the Public Domain.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
AIR-TO-AIR COMBAT
RECONNAISSANCE
X-PLANE
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Daimler CL.I (L8) Two-Seat, Single-Engine Escort Fighter Prototype appears in the following collections:
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