Recent content by BobCH

Sorry didn't see latest posts. My principal has decided in his wisdom that Spiraltunnel = spiral tunnel Kehrtunnel = helical tunnel I understand Snowball and eastwestdivide (thank you both very much for your efforts) to be saying that spiral tunnel and helical tunnel are the same thing...

Thanks 30907. Seems to be various opinions in German about different tunnels. My client has "Spiraltunnel" which does a full 360 and carries on in same direction ("spiral tunnel" seems logical here - after hours of reading Google hits "helical tunnel" appears dubious) and "Kehrtunnel" which...

Many thanks to everyone who has replied to my question. All the comments on the tunnel were very helpful. Below is a link to an illustration of what I was talking about. Scroll down to the last series of plans. Under the Wassener-Anlagen there are two examples of what I need: the...

Hello. Wonder if anyone can help me. I’m translating a railway text into English and have problems with two terms. Have spent two days going round in circles on Internet and am not happy with any of the results. First term is for a kind of spiral tunnel to gain altitude where the train moves...