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Old 09-21-2020, 02:46 PM   #1 (permalink)
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An engineer mods Porsche 911

Here is a mechanical engineer who explains his chassis mods simply, executes them himself, and then measures their effects.

Here he is seam welding and measuring the effect A/B:


Here he is describing other chassis mods:


He should get more attention on the YouTube.

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 09-22-2020, 01:46 PM   #2 (permalink)
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Is it misleading to say you are an engineer if you've never had an engineering job, but have a degree?
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Old 09-22-2020, 04:19 PM   #3 (permalink)
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Quote:
Originally Posted by M_a_t_t View Post
Is it misleading to say you are an engineer if you've never had an engineering job, but have a degree?
No, but it would be if he claimed professional specialty experience or employment he does not have. He said he was never employed in mechanical engineering? I didn't notice.

You find some fault with his measurements of the 911's chassis stiffness?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 09-22-2020, 04:40 PM   #4 (permalink)
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No. I graduate in December and wanted to know if I could call myself an engineer even though I haven't had a engineering postition yet.
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-Jiří Mucha (1915-1991), Publicist

My herd includes:
1973 Fiat 124 Special
1975 Honda Civic CVCC 4spd
1981 Kawasaki KZ750E
1981 Kawasaki KZ650 CSR
1983 Kawasaki KZ1100-A3
1986 Nissan 300zx Turbo 5 spd
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1995 Mercury Tracer
2004 Chevy Astro AWD
2017 Kawasaki VersysX 300

https://www.youtube.com/channel/UC6s...LulDUQ8HMj5VKA
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Old 09-22-2020, 09:19 PM   #5 (permalink)
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When they do give you your degree, take your feet clear off the ground or load up barbell weights. Otherwise is to put your thumb on the scales.

The 1920s Briggs & Stratton Buckboard Flyer had solid axles and all chassis flex.
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Last edited by freebeard; 09-22-2020 at 10:19 PM.. Reason: typo: your not you
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Old 09-22-2020, 10:18 PM   #6 (permalink)
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Quote:
Originally Posted by freebeard View Post
When they do give you your degree, take your feet clear off the ground or load up barbell weights. Otherwise is to put you thumb on the scales.
I was thinking the same thing. Weighting it not using yourself shouldn't have been too hard. Then you could wait out the oscillations and get a more accurate deflection.
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Věci získávají svou skutečnou krásu pouze ve vztahu k našemu životu
-Jiří Mucha (1915-1991), Publicist

My herd includes:
1973 Fiat 124 Special
1975 Honda Civic CVCC 4spd
1981 Kawasaki KZ750E
1981 Kawasaki KZ650 CSR
1983 Kawasaki KZ1100-A3
1986 Nissan 300zx Turbo 5 spd
1995 Chevy Astro RWD
1995 Mercury Tracer
2004 Chevy Astro AWD
2017 Kawasaki VersysX 300

https://www.youtube.com/channel/UC6s...LulDUQ8HMj5VKA
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Old 09-22-2020, 10:22 PM   #7 (permalink)
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To be fair, he apologizes profusely.
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Old 09-23-2020, 07:16 AM   #8 (permalink)
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Quote:
To be fair, he apologizes profusely.
How many significant digits is an apology worth?
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Old 09-23-2020, 07:56 PM   #9 (permalink)
Cyborg ECU
 
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Team Honda
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Thanks: 2,310
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Quote:
Originally Posted by jakobnev View Post
How many significant digits is an apology worth?
Aww! Everybody so hard on the poor diy guy. He said he took his feet off the floor! C'mon give the dude a break... what ecomodder is suddenly the height of precision?!.

Congrats (a little premature) on your degree, M_a_t_t !
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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Old 09-24-2020, 11:55 AM   #10 (permalink)
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I dunno, there's all sorts of hair splitting over in Aerodynamics

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