What was the donkey engine powered by?
steam engine
A logging donkey consists of a steam boiler and steam engine, connected to a winch mounted on a sled called a donkey sled. The donkeys were moved by simply dragging themselves with the winch line, originally hemp rope and later steel cable. They were used to move logs, by attaching lines to the logs and hauling them.
What is meant by donkey engine?
Definition of donkey engine 1 : a small usually portable auxiliary engine. 2 : a small locomotive used in switching.
What was a donkey engine used for?
A donkey engine was an integrated machine consisting of a powerplant and gearing that turned one or more drums or winches containing wire rope. Designed to lift, drag, and move logs from the stump to an accumulation point, donkey engines were also used to load logs on cars that transported logs to distant mill sites.
Why is it called a donkey boiler?
The name “donkey” comes from the fact that these engines replaced horses as a power source for cargo handling. The term was also applied to similar engine and boiler units carried aboard ship.
What does whistle punk mean?
beginner lumberjack
‘Whistle punk’ is an obsolete term for a beginner lumberjack from the early days of North American logging. The main tool of their trade wasn’t an axe, but a cable.
What is a donkey heater?
The principle of the donkey is that hot water rises (like hot air) and as the fire warms the water, the warmer water will be what comes out of the top pipe. And it does. While firing up the drum full of water & detergent and later draining it, the water temp from the bottom pipe (where the flames were) was almost cold.
What replaced the steam donkey?
diesel machinery
Steam donkeys were numerous all over the Pacific Northwest until replaced by diesel machinery in the 1940s.
How does a donkey boiler work?
A donkey boiler is a water-heating system installed outdoors. Based on the “donkey boilers” on ships’ decks for use when the ships are in port, donkey boilers are an economical way to warm water for use indoors or outdoors. The simplest systems involve a metal drum filled with water and heated by a wood fire.
What is donkey boiler?
donkey boiler (plural donkey boilers) A water-heating system for domestic use, consisting of a drum of water mounted above a fire.
What is a donkey fire?
What is the difference between auxiliary boiler and donkey boiler?
A small boiler may be used as an auxiliary boiler when at sea, or a donkey boiler in port. A composite auxiliary boiler does this, using waste heat from the main engines when at sea, or is separately fired when acting as a donkey boiler.
How does a water donkey work?
How do you make a donkey boiler?
- Build a concrete slab for the donkey boiler. Excavate an area 6 feet long on each side to a depth of 4 inches.
- Install the supports for the barrel.
- Mix the concrete according to the manufacturer’s recommendations.
- Prepare the steel drum.
- Insert a hose into the steel drum and fill it with water.
What is D type boiler?
The ‘D-type’ is the most common type of small- to medium-sized boilers, similar to the one shown in the schematic diagram. It is used in both stationary and marine applications. It consists of a large steam drum vertically connected to a smaller water drum (a.k.a. “mud drum”) via multiple steam-generating tubes.