Here is a list of all the postings oldvelo has made in our forums. Click on a thread name to jump to the thread.
|Thread: Pulley design|
Yes washing machines, motor cars, and almost all modern machines use Poly Bee Belts
Have you considered using "Poly Vee Belts" for much better performance than "Vee Belts" as an alternative. Much easier to fabricate with the ability to use much smaller driver pulleys. Classic example is Wood working hand held power planers.
P.S. Poly Vee Belt Drive lives at my house
|Thread: Coffee machine project|
What a rigmarole to have a machine to make "Instant Coffee".
Add a plumbers nightmare to fix a problem that we never had when we put the dehydrated coffee in cup with and added freshly boiled water not boiling water.
|Thread: 3 HP Frisco Standard Stationary Single 4-Stroke IC Engine|
Hi Pat hope this helps
"My problem is that the helical gears at the camshaft-crankshaft junction appear to be the same size, both in photos and on the patent drawings.
So my question is, how do I get a 2:1 gear ratio using cross helical gears that are the same size?"
Roderick's Photo explains it the driver gear on the right has 8 teeth the driven gear on the left has 16 teeth.
|Thread: FREE PLAN: A Clutch for the ML7 Lathe|
Oldiron's video is on the right track for a clutch. An Idler wheel on the back of the belt with an over centre eccentric to engage the drive. A peg or an idler on the front of the belt that just clears the belt when the clutch engages.
This will stop the belt from flapping and jerking. This method has been used on various engine and electric driven machines I have built over over a number of years.
Get rid of the linked belt and use Poly Vee Belt and Pulleys or regular Vee Belt in its place.
|Thread: The demise of UK fossil fuel Power Stations|
you have just shot yourself in the foot
Can someone explain How 7,000,000 tonnes of wood pellets get to Drax power station and not using fossil fuels. ...
"" They don't at the moment because most ships and land transport systems are diesel""
Do you realy know about what you post.
Read this article on BBC News a few months ago and found it hard to understand the reason for it.
Can someone explain How 7,000,000 tonnes of wood pellets get to Drax power station and not using fossil fuels. The trees cut down in America and to be pelletised no doubt they used products from the Oil Industry which suprise suprise is a Fossil Fuel. The transport accross America then the Atlantic. Put on rail to Sheffield all Fossil Free?? All paid for by the consumers. All done with No damage to the environment where the trees are harvested from complete with a regeneration program in place maybe???
|Thread: I wonder what the Aviation Authority thinks of this :|
Old Iron """Karen""" finds your comment Offensive
|Thread: Taper-Lock Bushes - tolerances|
One method used when assembling 'Taper Lock Bushes' is insert a 'Fox Wedge' or a flat blade screwdriver in the slot of the bush to open up the diameter slightly.
Then fit it into the pulley-flywheel with the retaining screws done up finger tight only to keep it secured the it will slide easily on the lightly greased shaft. NO grease on the tapers or retaining screws.
|Thread: Velocette MAC|
Hi Robert please sit down first
Always alifelong intrest in Velocette I googled for KSS the bike in the photo
First 'Road Legal' bike I owned was a 1933 KSS
Edited By oldvelo on 29/12/2020 00:14:26
Hi A Velocette fan from way back I spotted this hybrid one parked. The owner had fitted an overbored to 499cc KSS motor into a MSS frame.
|Thread: Calor gas butane workshop radiant heater|
Running a gas flame heater in a small workshop producing carbon monoxide is not good for your health or for that matter your survival.
New Zealand Ministry Of Health Bulletin Gas Heater Warning
Stay Safe Take Care Kia Kaha
|Thread: Message from ARC to our customers in the E.U.|
It was not broke I did not need to fix it. Now I wanted to break it so now we all need to work to fix it.
|Thread: Whitworth v UNC|
Good luck trying to put 1/2 inch U.N.C. nut on whitworth and vice versa
|Thread: Rubber mat.|
Concrete floor covered with sponge rubber matting with 12 mm painted chip board on top has a slight spring when walking on it. quick clean up with a brush any spills mop up off the painted surface.
|Thread: Gib Screw Locking Methods|
I guess the point I made was not explained properly that I use good old fashioned "L" shape Allen Keys to adjust gibs and the Ring end of a ring open end spanner on the lock nut. No excess torsion spring forces required.
Simple solution to the play of an allen key in a socket head screw is to exert pressure toward the screw at a right angle to the rotatation then do up the lock nut.
Cup point set screws with a ball bearing <o>
Edited By oldvelo on 01/11/2020 06:00:37
Edited By oldvelo on 01/11/2020 06:01:50
|Thread: Which ball turner?|
I can now see how a smaller lathe with a boring head fo a ball turner is a bit of shoe horn job.
A round piece of tool steel does a good job and cuts left and right
This is the MEW Boring Bar set up as a Ball Turner. Has turned out a lot of stainless knobs to replace plastic ones.
Boring Bar head on a bushed shaft mounted horizontaly on the toolpost with a round nose high speed tool steel with the cutting edge on the vertical centre line will work fine and will cut on the right or left swing.
Use the tool upside down with the flat side facing downwards.
A 400 mm lever on the piviot shaft will give good control and finish with minimum effort.
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