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eswube
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 9th, 2021, 7:06 pm
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Looking nice.


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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 16th, 2021, 2:46 pm
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Other variants of Theseus family were a self propelled gun with an 75mm Schneider-Danglis Y1906 (Theseus V or Theseus "75") mounted on the hull with fairly limited elevation, similar with the Italian Semovente da 75/18. The Theseus V was higher than its Italian rival, but had greater ammunition supply. Among available ammunition were HE and AP types. Power was the excellent and very reliable TSM FM6-2 diesel with 120hp at 2,600 rpm shared within Theseus family.

The Lynceus was an early fire control & observation vehicle for artillery units. It had a telescopic twin lenses optic device from Economidis factory for artillery aiming and observation. Same optic was also mounted on a tripod on ground. One Lynceus was available to every battery of Mechanized Artillery for 8 howitzers plus one tripod mounted back up optic. Both variants had one Hotchkiss/Pyrkal 0.8 cm machine gun mounted on hull.

Lynceus from mythology:

https://en.wikipedia.org/wiki/Lynceus_of_Messene

The name "Lynceus" was recycled in 1980's to a series of IR optics by ECON Optics (new name of Economidis Optic Factory since 1960). Several variants produced for rifles up to OTO Melara 76mm and A/A guns 20mm to 94mm.

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Last edited by odysseus1980 on October 23rd, 2021, 3:07 am, edited 2 times in total.

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eswube
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 16th, 2021, 6:33 pm
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Interesting concepts. :)


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KonPtol
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 16th, 2021, 7:37 pm
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Nice adds!


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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 24th, 2021, 7:06 pm
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During the Hellenic-Italian War a winter camo tested with great success. TKS-H were perhaps the first tanks in Europe painted with a winter camo in wartime, from November 1940. The sand-yellow was covered by white, while brown and green remained unchanged.

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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: November 28th, 2021, 4:24 pm
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Theseus tank with the winter camo, applied in same period.

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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: February 15th, 2022, 4:12 am
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The Theseus light tank was into production from 1934, but it did had a serious drawback : due to the shudder while the vehicle was on the move, it was impossible to fire the gun. Even at very low speeds accuracy was poor. With some improvements in suspension the accuracy problem did reduced a bit, but not enough. Another drawback of Theseus I was its riveted construction. However, Italian tanks were more or less the same, so Theseus continued in production with a new gun and turret. Late production Theseus were however welded instead of riveted.

German tanks being developed in mid 1930s (Panzer III, IV) were much better overall from Italian ones and German rearmament would possibly lead to a German attack from north, like in WW1, when Imperial Germany assisted Austro-Hungarian Empire. Another enemy from WW1 was emerged slowly but steady, Bulgaria. As a result, something better from Vickers Light Tank/Theseus was needed. This was found to the Chehoslovakian TNH series, better known with its German designation, Panzer 38(t). For license production in Hellenic Kingdom a new factory was set up in Iolkos city in late 1937. But some months later, Chehoslovakia was conquered by Germany and the team of Chehoslovak engineers who came to assist could not return to Chehoslovakia again. Hellenic government managed to transfer their families to Hellas and those engineers lived in Iolkos at least until the end of WW2.

First 15 tanks came from Chehoslovakia, then another 13 were ready or could be assembled from with the original Praga petrol engine, known as LTG* (later designated Leonidas I) . Production stopped for some months to modify the LTG for 100% local manufacturing. Most significant change was the replacement of Praga petrol with the largest TSM diesel available , the KM6. It's size was very close to Praga, power was a bit more, 160 hp at lower 2,200 rpm. Gearbox was therefore adapted to that figure to retain speed. The TSM KM type diesel was also available in 3,4,6 cylinders in line, V8, V12 and in limited number V16 (two V8 bolt together) developed for marine applications with mind. The "new" tank was renamed Leonidas from the famous Spartan King killed in Battle of Thermopylae. The only external difference was the exhaust which was curved backwards. Like all TSM diesels, the KM6 was quite smokey during acceleration under full power and the curved exhaust hide somewhat that. TSM engines were manufactured during WW2 from around 9 machine shops/factories plus TSM itself. The LTG/Leonidas was also the first welded tank manufacturered in Hellenic Kingdom.

The Leonidas was evolved to several variants through the war. First was a variation with turret from Theseus with the Chehoslovakian also 47mm, creating a better platform capable of more accurate fire. Then a completely new turret was designed, inspired somewhat from Panzer III and IV with a 57mm gun, derived from the old Hotchkiss 6-pdr (57mm/58 cal) .That fired new ammunition developed from Pyrkal based on the experience with the 47mm Chehoslovakian rounds. A supercharged version of TSM KM6, the KM6-2S1 was introduced due to heavier weight, good for 210 hp. Other early variations were command, communications (some were capable of detection and jamming enemy signals) and ambulance. An artillery tractor as also developed for the British 5,5in field gun (designated Πεδινό Πυροβόλο 140/30 Y1938 for Hellenic Army). In late 1942 the 57mm Y1940 gun was modified to 1940/42 version, which was capable for firing British 6-bdr ammunition. Finally a tank destroyer was developed on Leonidas chassis, similar with German Jagdpanzer 38, with 57mm gun or the 75mm/L47 Y1943, derived from a French AA gun or 1930's. This variant was powered by the enhanced KM6-S2, 230 hp.

*In Czech Greece is called "Řecko" and in Slovak "Grécko". So LTG is Light Tank Greece. I chose the slovak word.

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Last edited by odysseus1980 on November 5th, 2022, 2:40 am, edited 9 times in total.

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Hood
Post subject: Re: Hellenic Kingdom in FD-scalePosted: February 15th, 2022, 9:39 am
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Nice work, I'm a sucker for TNH variants!

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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 30th, 2022, 3:05 pm
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More variants of the Leonidas Light Tank.

Some Leonidas II were fitted with an 8mm machine gun on the roof (see below, other not (see above). From late 1941 the new FN/EPK 13,2mm HMG was fitted on the roof of Leonidas III, replacing the 8mm Hotchkiss/EPK. This gun was a modification of the HMG FN/EPK 13,2mm HMG, which was produced unfer license from 1939 as aircraft gun.

The most dangerous derivative of Leonidas was the VI, with an 75mm/L47 Y1938 gun fixed on the hull, creating a vehicle similar with the German Jadgpazer 38(t)/Hetzer. The EPK 75mm/L47 was desinged on the French Canon de 75 antiaérien mle 1913–1917 with longer barrel fired AP or HE rounds designed locally. Originally that gun was fitted to the ill-fated Titan Heavy tank from 1938. The Leonidas VI was the heaviest of its family, about 17 tons. But the 230hp TSM FM6-S2 offered quite faster accelaration from Hetzer, while returning double range on a full tank of fuel. The Leonidas V and VI chassis compared with the "ordinary" Leonidas chassis was 25cm wider and had also wider tracks.

Note that here I have the correct numbering of Leonidas variants.


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Last edited by odysseus1980 on November 5th, 2022, 2:35 am, edited 3 times in total.

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odysseus1980
Post subject: Re: Hellenic Kingdom in FD-scalePosted: October 30th, 2022, 3:46 pm
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The hellenic rival of Panzer IV was the Spartan, which was based on a lengthened Leonidas V chassis with five wheels instead of four. Spartan was powered by two different engines, the TSM FM12 or the Herakles 6-132. Latter was taller, so a Herakles powered Spartan is distiguised from the raised engine deck. Actually the original TSM FM12 (and the FM16) had "U" shape and only from late 1943 TSM managed to produce a proper "V", with 90 degrees angle. It looked like derived by 2 merged V6, but in reailty was the V16 with 2 cylinders chopped from each end and this explaines also the odd 90 degree "V" angle. The Heracles powered Spartan was more common, 2 for every TSM powered Spartan. Each Spartan battalion was equipped with Herakles or TSM Spartans, of course both variants meet in battlefield. Due to different engine torgue characteristics, the 2 sister vehicles had different accelation but same top speed (45 km/h). The Spartan remained in service as a tank until 1960 while its post war derivatives lived much longer in service.


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