Latest WW1 French Prototypes

Frot-Turmel-Laffly Armored Road Roller Container Encyclopedia

ww1 French tanks

The inspiration of this car, like many other armored automobiles, was a business body. When other models used tractors or armored automobiles, this machine, designed by Monsieur Paul Frot, used the street. So the machine isn’t a tank or an armored automotive, however an armored roller.

Why a street curler? Nicely, returning to the problems of struggle, there was a barbed wire that brought about the most important headaches. Groups have been exposed to a submachine gun because the straps of the thread made the motion sluggish and uncovered them to it. Take away the wire and the troops will get to the enemy and battle. The design of Monsieur Boirault was merely to clean out and squeeze its method via these threads. Different models have been steadily minimize along the thread, however Monsieur Frot and Monsieur Turmel simply crushed it down and rolled it into the mud. On this regard, their thoughts have been very similar to Winston Churchill and Maurice Hankey at the similar time, who have been planning to make use of the rolls to squeeze the yarn and the holders, a plan that turned out to be utterly impractical and had not been carried out. Nevertheless, the French have been more adventurous and prepared to attempt it, creating the product of M. Frot and Turmel, based mostly on the Laffly roll.

The Laffly street roller was a contemporary car with a petrol engine. patented in 1909.

Artists of the Frot-Turmel-Laffly Armored Road Roller


Car Design Work Began in December 1914 with Engineer Paul Frot, Compagnie Nationale du Nord (North Railway Firm), Even Thought it might already have been in November. Frot wrote the struggle to the ministry in a thought that described it wildly as optimistic terms, "a doubling war machine that, from the moment it appears, is horrified among the enemy".

The proposal was a simple heavy-duty car body, in this case a roller, and switch it into an armored car by masking it with armor. It was so simple that no armor was down, the front roll would simply go over and grind the stakes holding the yarn, and the armored body would shield the car. The car tank was a simple process that drove the entrance and rear angles of the car sharply to stop obstacles. On the front, the curved floor of the tank contained the only ahead weapon, one machine gun. Other weapons will even be put in, and the 2 front-side machine weapons can be coated by a restricted relationship. On the edges of the curler, the armored body swelled outward to permit additional width, so one other machine gun could possibly be mounted on each side. The back was on the entrance aspect with machine weapons and one on the again.

In the middle of the machine, the edges swell out with angular plates, and these inclined parts had giant rectangular doorways, though the quality of the images and drawings was not delivered to mild. Logically, nevertheless, all the doors would have been on the reverse aspect of those aspect sections with a purpose to shield the door in the course of the enemy hearth as a result of a large door opening in the direction of the enemy is usually not a good suggestion. Many other loopholes seem in lots of trendy photographs, though some have clearly suffered severely. Some have been changed to point out no machine weapons on the pages but a cannon as an alternative, but pictures that haven’t been retouched don’t appear on this. Inside the car, platforms can be wanted to make the weapons occupy the weapons, and regardless of the considerably impractical nature of the thought, the Minister of Warfare permitted it.

The Frot-Laffly Armored Vaporizer, which is being examined in April 1915. Only one machine gun might be seen mounted on the entrance aspect, suggesting that one other aspect wall in modern art was later added. Supply: Granier

t wheel within the back and roll in front. Supply: Plonquet

Probably as much as eight machine guns, the crew of this car would have been giant, in all probability 10 men, based mostly on 8 pistols, driver and commander. If the uno-retouched picture is right, three nose merchandise would have lifted the crew to only 5, however many males slot in a small area alongside the recent engine in the middle. The car, though its measurement was 7 meters long, 2 meters vast and a couple of.three meters excessive, was photographed with a surprisingly mild weight of simply 10 tonnes, but this doesn’t make sense

With tons of engines between 12 and 15 hp, it is sensible to assume that the 20 hp model was over 9 tonnes as a traditional street ahead of the armored hull. Contemplating that a lot of the sources give the machine a weight of 10 tonnes, it may be assumed that "10 tons" is just not truly the whole weight of the armor, however truly the load of the roll without the armor. 19659003] Even when the load was, the problem was the wheels. The rear wheels have been coated with rubber for additional traction, and although the machine might transfer sufficiently alongside a hard street or paved floor, it was nonetheless a street curler. With out the extra burden of the armor, such a machine should have been clearly impractical on the best way on smooth floor, circumstances in the battlefield where even horses and men might be caught, was not a spot where the car had all the drawbacks. An armored automotive class car that has already been understood to be a critical off-road restriction.

26. January 1915 M. Frot once again wrote a few machine that describes how it ought to work ”besides that it rotates, smooths and detaches barbed wire, but in addition, and particularly, turning it into the first as an offensive machine.

Photograph: Frot-Turmel-Laffly Armored Road Roller, manufactured by Yuvnashva Sharma, funded by Patreon Campaign

Exams and Conclusions

When this ridiculous machine was constructed, it was examined at Corpet and the Louvet manufacturing unit in La Courneuv, North of Paris, March 28, 1915 and carried out very nicely at ELL. The earth was robust and nobody was shocked, this big street roller simply broke the steel ideas and sets of strings in entrance of it, but this was examined underneath perfect circumstances. No enemy hearth, gentle land, ditches, wells or controversy. At this point, the army authorities lastly saw the sense and pour down the thought, as a result of the machine was clearly impractical for the circumstances ahead. It should by no means have gone as far as it was, but perhaps eager to test new ideas with the craze of struggle, the French may be forgiven for this luxurious. It showed that wire strains might be crushed and machined automobiles might do the job. Wire didn't need to chop useless for infantry attacks, and most importantly, automobiles based mostly on costly business gear on this roll were not essential. Tracks, not wheels or rolls, have been the attraction of this modern warfare

Supposedly after the rejection, the car was dismantled and Laffly roll returned to its unique tasks and ended up as one of many least lifelike concepts

Frot-Turmel-Laffly armored roll during testing in March 1915 at the Carpet and Louvet factories. The background has been intentionally altered to cover buildings within the background, in all probability for causes of secrecy. Source: Vauvallier


Dimensions (LWH) 7 x 2 x 2.three meters
Complete Weight, Battle Ready 10 tonnes
Crew ~ 10 (Driver, Commander, up to 8 machine guns)
Laffly Sort LT 4.82 liter 4-cylinder 20 hp gasoline engine
Armament As much as 8 machine guns
Armor ] est. 7 mm 7 mm Complete output 1


Chars Francais, Frot-Turmel-Laffly
Blanchard, A., Drowne, H. (1911). Freeway Engineering: Second Inner Congress Discussion 1910. Chapman & Hall Ltd. London
British Patent GB21571 "Improved Motor Drive". Announced September 21, 1909, accepted June 30, 1910
French patent FR401592 “Rouleau compresseur car”. Returned April 2, 1909, authorised July 31, 1909. Revealed September 3, 1909
Gougaud, A. (1987). Aube de la Gloire – Les Autos-Miliraillerus and Les Chars Francais pendant la Grande Guerre. Societe Ocebur
Granier, V. (1919). Les Etapes successives de arme victorieuse: Le tank. La Science et al Vie No.44
Ogorkiewicz, R. (2015). Tanks: 100 years of improvement. Bloomsbury Press, London
Plonquet, E. (19__). Rouleau Cuirasse: Char d’assaut et reservoir
Vauvallier, F. (2014). Encyclopedia of French Tanks and Armored Battleships: 1914-1940. Histoire and Collections
Zaloga, S. (2010). French World Struggle I tanks. Osprey Publications

window.fbAsyncInit = Perform ()
FB.init (
appId: & # 39; 624607647635857 & # 39;
xfbml: true,
version: & # 39; v2.5 & # 39;

(perform (d, s, id)
var js, fjs = d.getElementsByTagName (s) [0];
if (d.getElementById (id)) return;
js = d.createElement (s); = id;
js.src = "//";
fjs.parentNode.insertBefore (js, fjs);
(document, script, facebook-jssdk)) (perform (d, s, id)
var js, fjs = d.getElementsByTagName (s) [0];
if (d.getElementById (id)) returns;
js = d.createElement (s); = id;
js.src = "//";
fjs.parentNode.insertBefore (js, fjs);
(document, script & # 39; facebook-jssdk & # 39;));