Nice wheels good find, I was looking to make a gun about 10 years back and ended up buying 2 wheels off a Bren Carrier just no good for the job and I still have them as I found out last week while clearing my garage. 
Good luck Tim!
Free speech is expensive these days!
Tim... I love you! 
I think it would be nice to replicate the breach mechanism, I believe Josh has a breech plate on his mortars and puts the round in a case to absorb the detonation? Are there any legal issues with having a breech?
.
Josh stopped using the steel shell casings for H&S reasons. In the heat of battle some peeps were dropping the rounds in upside down, causing the steel casings to be launched at players! 
A working breech of some sort would be really good otherwise you have reach over the gun shield to drop rounds down the muzzle. The shotgun breech might be hard to do and make it work safely as you would have to light the pyro, shove it in and close the breech without it falling out the back. A rotating sleeve might be a safer option.
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
Right, I have some time...
I have a load of pictures of 7.5cm Gebirgskanone, I was trying to find the time and frankly skills to give it a go myself. I have no skills so all power to you! None are split trail, but that might simply be that I'm looking at a different beast. However, I thought the split trail weapons were for vehicle towing, in which case you should have pneumatic wheels/tyres surely? The one I'm looking at was a former Austrian WWI weapon I think. Anyway, here is the beasty. I have a load of pictures if any help to you.
Nice one!
Edit... I just looked at the links on page one, ignore me about the split trail, I'm talking bollox again! 
I believe thats the Czech Skoda built Geb.K 15 rather than the German Rheinmetall. built 7.5 cm le.GebIG 18
The le.GebIG 18 does have a split trail version:
And even a version on Skis!
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
Found these for the Split trail carriage and Gebirgs version shield Tim. 
Whilst I understand you wanting to the the Gebirgs version, I can't help thinking that the standard Infantry version would be a lot simpler and cheaper to construct as it could be done mainly in wood!? Either way, Go for it mate!
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
Josh stopped using the steel shell casings for H&S reasons. In the heat of battle some peeps were dropping the rounds in upside down, causing the steel casings to be launched at players!
A working breech of some sort would be really good otherwise you have reach over the gun shield to drop rounds down the muzzle. The shotgun breech might be hard to do and make it work safely as you would have to light the pyro, shove it in and close the breech without it falling out the back. A rotating sleeve might be a safer option.
Yes I see your point, particularly if the gun has much elevation at the time. I do like the shotgun breech though. I have a picture in my mind how it could work but would need to sketch it out and get a local company to fabricate it for me.
However, I thought the split trail weapons were for vehicle towing, in which case you should have pneumatic wheels/tyres surely?
I think the wooden wheels were originally for towing by horse ( and also for the gebirgs light weight for carrying). I believe even the standard Heer version had wooden wheels for horse drawn and pneumatic wheels/tyres for motorized towing
Found these for the Split trail carriage and Gebirgs version shield Tim.
Whilst I understand you wanting to the the Gebirgs version, I can't help thinking that the standard Infantry version would be a lot simpler and cheaper to construct as it could be done mainly in wood!? Either way, Go for it mate!
Cheers mate, yes Ive found these, cant make any sense of the one I've left in your quote though
The standard version would certainly be easier to make, I do like the idea though of it being a gebirgs version that can be stripped down, carried and even hauled up to a hill top by a group of Gebirgs. Being able to do that at a site like Taffy's would really help everyone buy into the Gebirgs thing. Although in truth at Monte LaDifensa half the German were F****d just walkin up to the hill 
Yes, my pics are of the Austrian version, not the German made. When I looked into it briefly I thought it would be easier as the gun shield is often missing (easier to transport I figured).
Splendid work with the drawings find!
Yes, my pics are of the Austrian version, not the German made. When I looked into it briefly I thought it would be easier as the gun shield is often missing (easier to transport I figured).
No probs, in fairness I think the gun sheild was often left off the Gebirgs version but for airsoft I think it would come in usefull 
Yes, my pics are of the Austrian version, not the German made. When I looked into it briefly I thought it would be easier as the gun shield is often missing (easier to transport I figured).
I was about to mention that I thought I had come accross tales of Mountain Infantry missing the gun shield for transportability - and that might make it a bit easier to make and field.
Found these for the Split trail carriage and Gebirgs version shield Tim.
Whilst I understand you wanting to the the Gebirgs version, I can't help thinking that the standard Infantry version would be a lot simpler and cheaper to construct as it could be done mainly in wood!? Either way, Go for it mate!
Cheers mate, yes Ive found these, cant make any sense of the one I've left in your quote though
The standard version would certainly be easier to make, I do like the idea though of it being a gebirgs version that can be stripped down, carried and even hauled up to a hill top by a group of Gebirgs. Being able to do that at a site like Taffy's would really help everyone buy into the Gebirgs thing. Although in truth at Monte LaDifensa half the German were F****d just walkin up to the hill
Indeed the plans are as clear as mud! The germans do like to make things which should be pretty simple, as complicated as hell. I can only assume that it is a lower section which the trails attach to which is then attached to the underside of the main axle and carriage!?
Dunno if you have seen these two pictures: shows the two-part trails pretty well but dont help to de-mystify exactly whats going on between the wheels andunder the main gun! That could of course be an advantage, no-one is going to tell you its wrong because no-one has a clue what its actually supposed to look like! 
I presume you also have the breech details from Lone Sentry?
[link]http://www.lonesentry.com/manuals/german-infantry-weapons/75-mm-light-infantry-howitzer.html[/link]
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
I can only assume that it is a lower section which the trails attach to which is then attached to the underside of the main axle and carriage!?
Yes, I am familiar with this sort of thing from building endless plastic and metal kits of artillery.
The wheels go on the end, the gun trails go in the middle socket things and the gun mount itself goes in the middle hole. Various other gun bits may (or may not) be be directly attached to the axle support assembly. On some artillery pieces various rather complex bits of plumbing may be attached as well, particularly those intended for road towing and with more complex recoil absorption systems. I had a model of a 100mm K18 which had 200 (!) parts.
For airsoft purposes I would have thought a simple manpack option would be to have the wheels and gun mount detach, an option would be to detach the trails as well, but then you'd need five-six people to manpack it. Ideally we'd have a couple of mules 
Cheers
Martin
"Mistakes in the initial deployment cannot be rectified" Helmuth von Moltke
Toys: AGM MP40, Cyma M1A1, TM M14/G43/SVT40, TM VSR/K98, SnS No. 4, ASG Sten, Ppsh.
Arnhem3,Gumrak,Campoleone
Martin has sort of beat me to it. I was going to (I suppose I am now) suggest you go and buy the tamiya plastic kit. From that you will see how most of it is meant to fit together and indeed what the finished product should be.
but then you'd need five-six people to manpack it. Ideally we'd have a couple of mules
New impression for Tim's gun crew then
Martin has sort of beat me to it. I was going to (I suppose I am now) suggest you go and buy the tamiya plastic kit. From that you will see how most of it is meant to fit together and indeed what the finished product should be.
Normally very true, unfortunately no one makes a model of the le.GebIG 18 version (at least not ona useable scale) 
, only the standard infantry version. The main gun and recoils unit are the same but the carriage is totally different!
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
New impression for Tim's gun crew then
Brilliant mate
Cheers for all the help lads
The kit idea is quite a good one but as Neil says not sure if anyone does this version. I will see how strong my search Fu is tonight.
Yes Ive got those pics, cheers Neil The more I look at the drawings photo's the clearer things become. I think as long as the breech/ recoil block, trail legs, wheels and gun sheild look the part any discrepencies with axel and carraige/mount can be forgiven. Indeed it may have to as I dont have the engineering skills of the Reich behind me.
I'm scratching my head more at the moment at how I can get realistic elevating and breech mechanism. Got some idea's in my head but think a lot of it will be suck it and see as I go along.
Wish I had been paid as I'm itching to make a start
This is the only image I canfind which gives any sort of detail on the lower part of the carriage and even then it doesn't give away much.
One thing that is evident is how much narrower the wheelbase is on this carriage compared to the regular infantry version. That will certainly be useful when wheeling it around the often narrow tracks on airsoft sites!
“I wanted to come to the Volga at a specific location at a specific city. By chance it carries the name of Stalin himself. So don’t think I marched there for this reason – it could carry another name – but because there is a very important goal... this goal I wanted to take – and you know – we are very modest, we have it already."
Adolf Hitler, November 1942
"Comrades, Red Army men, commanders and political workers, men and women guerrillas! It is on your perseverance, staunchness, fighting skill and readiness to discharge your duty to the country that the defeat of the German-fascist army and the liberation of the Soviet land from the Hitlerite invaders depend! We can and must clear the Soviet land of Hitlerite vermin."
Joseph Stalin, November 1942
