Template:Did you know nominations/Larmanjat guided rail system

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The spoked wheel on the front alters the weight distribution between road and rail wheels

... that early locomotives using the Larmanjat guided rail system had an extra operator at the front (pictured) to adjust the weight distribution between the road wheels and the rail wheels?

Source: [1], page 100: The mechanic may alter the proportion of the adhesion between the wheels on the rail and the wheels on the road (original in French).

ALT1: ... that in 1873 the Larmanjat guided rail system was successfully demonstrated at Buckhurst Hill, England, but the system failed completely when used commercially in Lisbon? Source: The Times 31 December 1872 page 4: A section of line on the proposed system had been laid down at Buckhurst Hill and an engine and rolling stock worked over it in the most satisfactory manner. But:
[2] page 575: Law report from Court of Chancery, London, that the company formed for the Lisbon tramways had completely failed in its undertaking.
ALT2: ... that on the locomotives using the Larmanjat guided rail system the driving wheels were loose on the axle and the tractive force was transferred through wound-up springs? Source: [3] Engineering (magazine) 20 May 1870 page 354: "The driving wheels are not connected rigidly to the axle but are connected with it by spiral springs."
Reviewed: Template:Did you know nominations/1973 Eclipse Flight of Concorde 001

Number of QPQs required: 1. Nominator has 5 past nominations.

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AntientNestor (talk) 16:43, 30 April 2024 (UTC).