1500kg Foot operated hydraulic unit. Quicker and easier than using ratchet driven spring compressor. Plastic coated yokes reduce the risk of spring slippage or damage and are suitable for springs from ø102mm to ø160mm. To get more information:-http://www.germancarparts4less.com/sealey-re231-coil-spring-compressing-station-hydraulic-1500kg-capacity.html
Really love the strength and beauty of these joints.
Find The Center of a Circle / Trouver le centre d’un cercle
DIY Woodworking, Finding center of a large circle.
This time i made some wooden whistles, i drew a model out of memory based on old referee whistles that i remember seeing as a kid. I mixed up different types of wood, mahogany, birch and pine http://ulf-johan.info/en/wooden-whistles