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Recent content by MrStretch
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O/T: a strong bear and 20th anniversary
My understanding is that killing coyotes will cause them to breed more. They are very adaptable animals. I saw one once in south philly just north of the Navy yard.- MrStretch
- Post #6
- Forum: Antique Machinery and History
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Bearing C3 vs C2
How does the inner clearance work when the driven shaft both rotates and slides up & down?. I've never had the bearings apart on mine. Is there an inner sleeve or something between the inner race of the bearings and the keyed shaft? -
Bearing C3 vs C2
Pics please! I've had a high-speed hammer drilling machine for years. Mine is a Craigslist rescue that might be ex-philly navy yard. I've always wondered about the main spindle bearings but not enough to actually do anything other than use it. Wonderful machines. I made a new flat belt motor... -
Ot...ship hits bridge
One of my favorite structures is the Ben Franklin Bridge over the Delaware in Philly. Both beautiful and useful. The walkways are above both the road and the subway track. It's a magnificent structure and can really be appreciated by walking up to the top. Might as well turn around at the top... -
What is this and what is it used for
Tea leaves say it's a fan tracking & concenticity test kit. Be sure to fully tighten the clamp. -
P&W lathe with speedranger and phase converter in Raleigh
Wow, I never would have guessed that those drilling machines are still being made. I have an older flat belt one with the separate motor base. I really like it eventhou it was abused. Stupid silly overbuilt.- MrStretch
- Post #6
- Forum: Antique Machinery and History
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P&W lathe with speedranger and phase converter in Raleigh
Is that a High Speed Hammer drilling machine on the right side of the bench?- MrStretch
- Post #4
- Forum: Antique Machinery and History
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Possible types of steel for this bushing plus alternative recommendations
1144 stressproof machines really, really nicely. A good choice for a nice friend doing you a favor. -
"Foreign Steel" marking on very old cheap wrench?
Typical British arrogance. Mark everything not made in England "foreign " because it's all junk no matter who made it. -
J H Westcott's Little Giant Double Grip Chuck help requested
Here's one that came with an 1870s Stark #4- MrStretch
- Post #11
- Forum: Antique Machinery and History
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Rotary table off center?
The problem could be the aluminum and plastic "mill" you are using. Couldn't this be cut on a lathe? -
OT- A math question about how much a circumference is changed by a change in the radius of a large object
That's area = pi * d^2 / 4, so 4*pi. -
Photo: ...Union Iron Works...San Francisco...
Ha ha, too late.- MrStretch
- Post #31
- Forum: Antique Machinery and History
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StanF South Bend 9A Rebuild Thread
The other problem with motor oil is it is designed to be hydrophilic to absorb moisture inside the crankcase when the engine is off. Running the engine heats up the oil and drives off the absorbed water. Years ago I had a '64 VW beetle that developed foamy oil, which is odd for an air cooled...- MrStretch
- Post #85
- Forum: South Bend Lathes
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DIY Metal shaper questions
I had a 7" AAMCO shaper for a while years ago. It looked cool but I never used it. Traded it for a 70lb Fisher anvil and some tongs, think I got the better end.- MrStretch
- Post #38
- Forum: Antique Machinery and History