A New (to me) Tool
One aspect of our weekly GSMEE meetings (Geelong Society of Model and Experimental Engineers) is that I learn something new at every meeeting. The exposure to new information is not too surprising considering that our group has members who are or were a machinery designer, mechanical engineer, CNC operator, marine engineer, aircraft mechanic, a quarry operator, gun enthusiasts, a fireman and various other areas of expertise. Even a bee keeper. And even a retired gynaecologist.
Recently Neil brought in a boiler which was assembled but not yet soldered. And it was held together with spring loaded clamps the like of which I had never before seen. Some other members were also very interested in the clamps, which are, apparently, extensively used in aircraft panel assembly and repair, and also in car body work repairs.
The clamps are called CLEKOS or CLECOS. They are easily applied and removed and are reusable. They are used for temporary joining of materials to facilitate marking, drilling, riveting, soldering, welding or gluing. Exciting to me because I can see many applications in model engineering and wooden toy making.
The Clecos come in a variety of sizes and configurations.
The Clecos are surpisingly inexpensive. On Ebay I have seen the spring loaded fasteners as cheap as $AUD1 each, and the pliers at $AUD15. I bought a kit comprising pliers and 20 fasteners for $AUD49. Ebay UK has the best selection and many have free postage. The range on US sites is good, but postage costs assigned by Ebay are astronomical.
(A reader has commented……
The Clecos and other skin pins are colour coded, silver 3/32, copper colour 1/8; Black 5/32′ gold 3/16 brown 1/4
Ahhh… thankyou. I have posted your info in the blog.
Really enjoyed this one, John
The internal steam passage from the HP exhaust to IP inlet has always seemed a weird part of this design
Did you consider just putting in an external pipe ala Stuart Turner?
I really did not understand how the engine worked, so I built it as per the plans. Comprehension slowly followed building. Understanding how it worked was essential when it was being timed and by then I think that I got it. John