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I put temperature gauge on mind to watch. I am surprised the carbon dust is inside motor it should have been cleaned by cooling fan. Maybe that is why I saw on large industrial motor with the blower was over the brushes keeping motor cool. Dave

It seem both motors life short live. The motors I am use to has life over 20,000 hours. Do you any idea why you had a short life? Dave

Welcome to the group Dave

Welcome to the group Dave

I think someone was not thinking on push mower. I was iron worker going to high school and college in 110°F and tell gets hot . I feel guy did mowing in 94°F Dave

I use work temperature to just over 110° going to college. Even when outside it hot . I did run foundry in July and August 1970's and 1980's it was hot too. Today my wife and doctors do not in sun or heat . It was 113° in my shop today it is insulate but still hot. Dave

It hot outside for me Fall looks good for working outside the house. The highest temperature I have outside was 114°F

I hope everyone will post things they did for wife or girl friend here. It makes building engines and working a lot easier. Here update to rules and scorecard. Have fun Dave

Looks great Dave

Powder coating to get good job is about5 or 6 steps. Great on converter system. But just few can be pain. The best I found is lacquer Paint. When I was in manufacturing I use dip tank with drip tray to save paint and drying rakes . Today for ones and twos cardboard and a place to dry in sun...

Welcome to the group Dave

I have work on lot cast iron blocks and best was brazing. This is a lot work. Aluminum bocks are about same . The cost goes very high JB Weld is low cost option for hobby work. Must very clean and dry. Heating can also help drive the moisture before applying JB . It typically where most...

Welcome to the group Dave

I like painting parts with Lacquer. Unless painting over old paint then Rust-oleum. When I was painting tons of casting I would dip in Rust-oleum. Dave

Simple fun project for whole family on your lathe. I have used the lathe for a lot for painting of engine parts it give nice finish. Use about 50 RPM. Here simple project that makes a lot women happy . Back in 1995 the had Painted Yahtzee for the computer. They never made dice for this game...

On aircraft engines they did use oil and air cooling. Water is very good coolant for engines. The problems with oil is the sulfur in the oil under heat it turn to sulfuric acid. Back to square one. They have found distilled water is best for reducing corrosion. Dave

I wish had schematic on the electric eye type. It would simpler to build would not need magnetic on flywheel All you need is the electric eye and micro oven transformer rewind to 12 volts Dave

Copper pipe is seamless. I can tell why they call pipe but is used for steam. You can lookup pressure and the type you to be safe. There other types for higher pressure too and will cost more. When see it in metric someone has covert from pipe size to metric. Dave

Everything I have seen it probably closer 99.9% I had catalog showing a lathe manufacturer make single cylinder engine on there lathe. They did line boring. Keying the crank shaft and timing gears. This catalog was before 1900. Dave

The photo was taken after I starting cleanup so do no see cover. Dave