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Monday, September 11, 2017 - 06:44 PM GMT+7
Two new models are available from Schatton Modellbau at 1/35, a Schienenwolf and a 5 ton trailer for the RSO.
The Schienenwolf was a device towed by a locomotive and intended to destroy the railways when retreating. It is now available from Schatton Modellbau as a resin kit at 1/35.

The other new product is a 5 ton trailer for the Radschlepper Ost, using similar steel wheels and with a completely covered cargo bed.
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Comments

Michael, I tend to group items on a single news when a) there are few photos or b) there is little information. As you can see this is an example of a+b, just one photo of each item and no description available, so split it in two would result in two minimal news... but perhaps that would be better. Thanks for your feedback, it will be considered.
SEP 12, 2017 - 10:26 AM
Kev, I have certainly wondered the same thing. The only partial answer I can come up with is that perhaps the metal wheel offers a larger contact surface than a similarly sized rubber tire and the cleats offer some resistance to sliding in mud or snow??? Finally all I can add is that the Germans actually did this to some of their trailers whatever the reasoning.
SEP 12, 2017 - 11:41 AM
Rubber is sometimes a scarce resource in war. The wheeled RSO tractor didn't go fast so anything it pulled could go slow as well, the 'Radschlepper' also had steel wheels, so why waste rubber on the trailer wheels. The steel wheels can not 'go flat' since there is nothing to puncture .... I think that explains why they were made of steel. Why the cleats: Stop them sliding sideways has already been mentioned. There could also be another reason. A smooth "tire" could also start slipping when pulled through mud. Instead of turning they start acting like the runners on a sledge and build up mud in front of them which could cause them to dig in even more. There is always some friction in an axle, when the wagon is loaded the friction increases, bad maintenance and aging can also increase the friction. The load presses the wheel into the soft ground so there is always a "hill" in front of the wheel and the wheel must 'climb' this hill all the time. With cleated wheels the grip between ground and wheel increases so the forward pull can force the wagon wheels to turn and when the wheels are turning the cleats will claw away at the 'hill' in front of them, climbing the 'hill' at the same time as digging it away. A similar effect comes into play when driving a wheeled vehicle with a non powered front axle in snow. The rear, powered' wheels will try to push the front wheels through the snow. If the vehicle is reversed the powered wheels will dig through the snow and the non powered wheels will just tag along. That is why front wheel driven cars have slightly better traction in snow/mud and all-wheel drive is even better. / Robin
SEP 12, 2017 - 07:28 PM
There is something suspicious with that trailer. Why? 1. It has cleats on the wheels which isn't logical. 2. It is stated "5 ton", the only RSO trailer produced was rated 1,5 ton. 3. On the picture it isn't built Schatton kit but scratchbuilt model: LINK Here is a list of German 2-axle WW2 trailers: LINK In it you can see also how E5 trailer looks.
SEP 12, 2017 - 07:33 PM
Ilian the “Kfz. of the Wehrmacht” web page has much valuable information. Thank you for sharing.
SEP 13, 2017 - 03:22 AM
I can picture the Germans using metal wheels for the same reason that they used steel wheels on the later Tigers and Panthers, etc. Strategic materials like rubber were in sharp demand by all areas of the military and industry and, face it, they do make sense for something as slow-moving as a RSO. I really like the trucks in that posted pic. The Schienenwolf does offer some interesting possibilities for dios.
SEP 14, 2017 - 01:42 PM
Just a footnote: the Germans also used metal wheels with no cleats. Both these types of wheels seem to appear only on what I would call "farm wagons". Could these wheels be concrete with metal rims???
SEP 15, 2017 - 02:43 AM
My opinion, without having tested anything: Concrete might just possibly work with rubber "tyres" but I doubt that it would last very long with steel "tyres" / Robin
SEP 15, 2017 - 04:37 AM
The entire wheel could be stamped metal but it certainly looks like some kind of moulded or hand poured material. I had hopes that someone might know for sure.
SEP 15, 2017 - 06:24 AM
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