railways pantograph

"railways pantograph" by PMcam235 - 26/01/2019

133.519 bytes

Description

Large travel light pantograph, designed to be used in urban tramways

Designed at approx scale 1/4 to 1/5 in a professional context to check its function

The pair of 43 Meccano tension springs are just for indication. Real Meccano model uses pair of camping chairs tension springs, lentgh 62mm, wire diameter 1.8mm, load 19 kg, available in DIY shops or for example here:
https://www.amazon.fr/Chapuis-RSCA1-Ressorts-si%C3%A8ge-camping/dp/B077X8VZS7

Additional files

File details	Upload date
springs [ .JPG - 463.945 bytes ] springs arrangement	26/01/2019 21:41:03
folded [ .jpg - 42.270 bytes ] lower position (not in use)	26/01/2019 21:44:57
unfolding 1 [ .jpg - 96.485 bytes ] unfolding	26/01/2019 21:45:22
unfolding 2 [ .jpg - 57.862 bytes ] unfolding	26/01/2019 21:45:47

Download model (.mdl)

1	Rick Demil on 27/01/2019 08:38:06 said Merci pour le partage. Beau travail.

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