785-1201 WS Lightweight Hydrocal Sound We recommend a 16 volt

We recommend a 16 volt DC power source (at least 3 Amps) or 18 volt AC power source (at least 3 Amps)converted to DC with bridge rectifier

end ladders and brake wheel

but setting it up and keeping it current can be overwhelming

Power is supplied via a power supply (785-641) or battery

From this point on

785-1201 WS Lightweight Hydrocal Sound We recommend a 16 voltLightweight Hydrocal Dry 1 2 Gallon 1. 89L A specially formulated new Lightweight Hydrocal for terrain model builders. Lightweight Hydrocal is nearly half the weight of Hydrocal, goes almost twice as far, and is the tough, quick setting product. *Hydrocal is a product of U. S. Gypsum