Richard Allen's words on Welding

This article is built from a series of articles which Richard Allen This email address is being protected from spambots. You need JavaScript enabled to view it. posted to the ATIS Stationary Engine Mailing List both in answer to peoples questions and by way of extra information he wanted to pass on to the rest of the list members. I decided to join his words in an article on welding because I found his words interesting and informative.

Disclaimer: While Richard is an experienced welder, the responsibility for following any of the adivce is yours.…

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Ted Lee's Windmill


Wind is free but you don't get nuttin for nuttin Windmills are delightful things, they screech and rattle, day and night, day in day out, so long as there is wind. The little outback town of Springsure used to have a windmill in every house yard, you can imagine the tune on a windy night. Windmills are used for a variety of things, the best known in Australia is for pumping water, but some charge batteries.

There are a huge range of sizes with wheels from 8 to 30 feet (2.4 to 9.14 meters) in diameter. Standing as tall as 59 feet or 18 meters, capable of pumping up to 10,450 gallons that's 47,440 liters per day from bores as deep as 600 feet or 183 meters. Just stop right there ! Lets think about that a minute. A bore 600 feet deep with a 4.5 inch pipe down it with a 6 inch pump on the end would be lifting 1.2 gallons of water each stroke. If there was 500 feet between the top of the water in the bore and the top of the tank there would be 344.5 gallons of water in the pipe alone weighing 1.53 Imperial tons, (not counting the weight of the pump rods) this is all hanging on the mill the moment the up stroke begins. ( the power of the wind)…

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