Charles M said:Take a small magnet with you to test the gravel. Helped build a layout , and the gravel we used was attracted to the magnet we found out later. It created a high resistance short between the rails when it got wet!
The power supply detected this resistance and wouldn't work for weeks after a rain. The owner finally had to convert to on- board battery power to be able to run his railway.
Charles M
Jondunnyrail said:KeithT, re your wondering where all the Ballast goes . If it is small enough, Pigeons use it for their crops.
JonD
Mobi said:Which of these you recommend?
http://www.homebase.co.uk/webapp/wc...201&langId=110&searchTerms=Ballast&authToken= < Link To http://www.homebase.co.uk...rms=Ballast&authToken=
I don't know what grade means.
playmofire said:Doesn't using polythene sheeting to line the trench mean that when it rains the water is held in the trench because it can't train away. Black weed matting allows drainage.