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gmax137's latest activity
gmax137
replied to the thread
I need a concave mirror with a focal length length of 150 feet?
.
Maybe it is an ISO 3200 tree.
Aug 12, 2025
gmax137
reacted to
Baluncore's post
in the thread
Making a compressor from a steam engine or Tesla Turbine
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Like
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There is little conceptual difference between a pump and a motor. Old gasoline engines have been modified to use one end-cylinder as a...
Aug 11, 2025
gmax137
replied to the thread
I need a concave mirror with a focal length length of 150 feet?
.
Get a couple more quotes/estimates.
Aug 11, 2025
gmax137
reacted to
russ_watters's post
in the thread
B
Energy transfer water > air in a greenhouse
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Like
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Can you please provide more information: What is the tank made of? Is the tank open or closed? What else is the tank for (why have/use...
Aug 10, 2025
gmax137
replied to the thread
B
Energy transfer water > air in a greenhouse
.
This can be a rather complicated problem to work out from first principles. I would start by looking for technical info from greenhouse...
Aug 10, 2025
gmax137
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Ibix's post
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Collection of Lame Jokes
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Aug 10, 2025
gmax137
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phinds's post
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Collection of Lame Jokes
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Aug 10, 2025
gmax137
replied to the thread
Collection of Lame Jokes
.
Reminds me of Fudd's laws of opposition... any one else here remember Firesign Theater?
Aug 9, 2025
gmax137
replied to the thread
PFAS and Power Lines Cause Cancer?
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We have several PFAS threads going here, I wasn't sure which one to place this link. Here is a Veritasium piece on youtube. I think...
Aug 9, 2025
gmax137
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berkeman's post
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Collection of Lame Jokes
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Aug 8, 2025
gmax137
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BillTre's post
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Collection of Lame Jokes
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Aug 6, 2025
gmax137
reacted to
berkeman's post
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Generator design
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Welcome to PF. We can probably help with some conceptual questions if you want. What kind of generator is it? What is the generator...
Aug 6, 2025
gmax137
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berkeman's post
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Collection of Lame Jokes
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Aug 6, 2025
gmax137
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fresh_42's post
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Collection of Lame Jokes
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Haha
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Aug 5, 2025
gmax137
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Borg's post
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ChatGPT Examples, Good and Bad
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I learned a new word today - clanker...
Aug 5, 2025
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