5.5mm scale

5.5mm scale

Infobox_Model_Rail_Scale
name = 5.5mm
image_filename = Ty_Bach.jpg
image_caption = A scene from Francis Stapleton's 5.5mm layout, Ty Bach
widthpx = 250px
scale = 5.5mm to 1ft
ratio = 1:55
gauge = 16.5mm, 12mm
prototype_gauge = RailGauge|36 RailGauge|24-RailGauge|27

5.5mm scale is used for modelling narrow gauge railways. 12mm gauge track is used to represent RailGauge|24 to RailGauge|27 gauge prototypes. 16.5mm gauge track is used to represent RailGauge|36 gauge prototypes.

History

5.5mm scale narrow gauge model railways were developed by GEM in 1963, using 12mm gauge track, which was the smallest commercially available gauge at the time (TT gauge). [ [http://www.blackhamtransfers.com/55/5andahalfassn.html Why 1/55th scale?] ] GEM produced kits for locomotives and rolling stock from the Ffestiniog and Talyllyn railways. Following the development of N gauge, using 9mm gauge track, the popularity of 5.5mm scale declined as modellers adopted 009 which could combine N gauge track and mechanisms with the widely supported 4mm scale.

However 5.5mm scale remained in use and, following an article on the Gwynant Valley Railway by Malcolm Savage in Railway Modeller, October 1984, the 5.5mm Association was formed. The tooling for the GEM kits was purchased by Malcolm Savage in 1996 and he is now producing and upgrading those kits [ [http://www.blackhamtransfers.com/55/5andahalfassn.html 5.5mm Association Brochure: Trade support] ] . Worsley Works also produces "scratch aids" and kits for the scale [ [http://www.worsleyworks.freeserve.co.uk/NG/NG_5.5mm_List.htm Worsley Works NG: 5.5mm Scale Kits] ] .

References


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