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Restoring a 1971 Johnson outboard motor

A couple of Shed readers start a rebuild project for the Shed Magazine

We got this email from a Shed reader who was sent a project from another Shed reader, the rebuild of a 1971 Johnson 25hp outboard motor.


The challenge, to rebuild this outboard from a box of bits

The idea being that this pile of bits would eventually become a backup motor for his fishing boat. So nice to see our readers are thinking of us. Here at The Shed we are already looking forward to the restored engine article.
Below is the note that came with the engine, the Sheddies names have been deleted. 
“As mentioned earlier, herewith the old Johnson outboard from dad’s shed. Make of it what you will or if you are not inclined or reckon it is not worth the effort or in the too hard basket or whatever, pass it onto someone who may be keen to give it a go, or, simply send it to the tip.
In any event, I reckon it could be a good article for The Shed magazine so if you or someone else wants to give it a go and give it a Lazarus type resurrection or rebirth, maybe take some photos for a Shed article as you go along.
Kind regards and cheers to all.”
Onya fellas.


Lets hope all the parts are here


Even the newspaper wrapping the parts is from the 1970s

 


The jigsaw building begins

The jigsaw building begins

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The right stuff – part one

These tips are a random collection of thoughts that I have grouped under the classification of things that relate to working at a bench using hand tools, rather than using a lathe, mill or other machine tool. So if you have only a workbench with some hand tools in your shed, this is meant to be useful for you too.

Metal spinning lives

The exact origins of metal spinning are unknown but the craft can be dated back to ancient Egypt where examples of spun vessels have been found. Metal spinning today differs little from the past with the only real advance being that an electric motor is used to drive the chuck instead of manpower or water power.
Before the advent of power presses, metal spinning was used to make almost all round sheet metal objects such as pots, pans, lampshades and wheel rims.
The principle of metal spinning is simple: a disc of metal is clamped between the tailstock and a former or mandrel. The disc is spun and the operator then uses a lever to manually work the metal down onto the mandrel. The process helps maintain the structure of the material and does not stress it, resulting in a stronger and more stable product than if it was pressed.
While metal spinning by hand does not generally alter the thickness of the material, hydraulic-powered tools can be used to flow-form products making sections thinner where required.

Hi-Q Components has it all tied up with their range of ties

If you’re looking for plastic cable ties and mounts, and cable management components, it’s hard to beat Hi-Q Components’ comprehensive range, which covers just about anything you’ll need for the job in hand.
Its selection of plastic fixings and fastenings includes standard strap-type cable ties, from 75mm x 2.4mm to 1500mm x 9mm; as a bonus, many sizes are available in weather-resistant black nylon for outdoor use. Hi-Q also has specialist ties covered, with stock including HVAC duct straps, heavy duty for hydraulic hoses, releasable, screw mount, marker, push mount, double loop mounting, hanking, and beaded ties. As well as cable ties, Hi-Q offers a great selection of cable tie mounts, such as quick and easy self-adhesive tie mounts, and push and lock clip mounts for through-hole panel mounting.