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Search: Posts Made By: Bicycle Bob
Forum: General Efficiency Discussion 01-05-2024, 08:25 AM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
"Institutions of knowledge" had to fight with...

"Institutions of knowledge" had to fight with religious dogma for centuries, and there was no clear separation of belief systems. Newton spent years seriously trying to put numbers on Christian...
Forum: General Efficiency Discussion 01-05-2024, 01:39 AM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
Interesting diversion. I grew up thinking that a...

Interesting diversion. I grew up thinking that a radical new idea only needed to be proven reasonably well and published to be accepted, like Relativity was. Now, I can't think of another great...
Forum: General Efficiency Discussion 12-24-2023, 07:17 PM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
It is 15 years since I bought a car, but I never...

It is 15 years since I bought a car, but I never paid over $1,000 for a car, and never had a big repair bill to drive them for years.
Forum: General Efficiency Discussion 12-17-2023, 04:23 AM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
I think there's more happiness to be found by...

I think there's more happiness to be found by focussing on minimizing expenses without discomfort than in maximizing assets that need protection. Life is more about how you do it than what your...
Forum: General Efficiency Discussion 12-16-2023, 02:10 PM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
There was a writer for Car and Driver who would...

There was a writer for Car and Driver who would look at the price of a new Porsche, and, after a minute of temptation, translate that into the price of a small aircraft, a dune buggy, an old race...
Forum: General Efficiency Discussion 12-09-2023, 03:57 PM
Replies: 938
Views: 70,884
Posted By Bicycle Bob
I still don't see cars as light as mine being...

I still don't see cars as light as mine being made again, and I hear horror stories about service bills higher than my lifetime expenses for buying used cars. The fuel-saving technology is amazing,...
Forum: Aerodynamics 12-02-2023, 03:40 PM
Replies: 43
Views: 4,537
Posted By Bicycle Bob
I have used home made ramps, but this job was all...

I have used home made ramps, but this job was all scissors jacks, including a gas tank swap. A really strong drill will get them up and down in a hurry. I also made jack stands and progressive...
Forum: Aerodynamics 12-02-2023, 03:00 PM
Replies: 43
Views: 4,537
Posted By Bicycle Bob
I've always done my own maintenance, and never...

I've always done my own maintenance, and never had a serious delay on the road. The two trickiest repairs took a week and a month out of service, over 25 years. Until two years ago, when I needed a...
Forum: Aerodynamics 12-02-2023, 12:45 PM
Replies: 43
Views: 4,537
Posted By Bicycle Bob
As far as I can tell, since the Metro, cars have...

As far as I can tell, since the Metro, cars have only gotten heavier and harder to fix. Ironically, I only started buying cars to carry pedal kayaks for my business, but, having found my current...
Forum: Aerodynamics 11-30-2023, 12:24 PM
Replies: 43
Views: 4,537
Posted By Bicycle Bob
I got the 90 km/h (56 MPH) habit from a Toyota...

I got the 90 km/h (56 MPH) habit from a Toyota whose carburetor really preferred it, and generally only go faster to help a commercial driver stay on schedule where they can't pass. The day the Gulf...
Forum: Aerodynamics 11-26-2023, 10:53 PM
Replies: 43
Views: 4,537
Posted By Bicycle Bob
Pages 70 -73. And thanks - I'll get some mileage...

Pages 70 -73. And thanks - I'll get some mileage figures and bug 'em.
Forum: Aerodynamics 10-27-2023, 02:51 PM
Replies: 776
Views: 282,699
Posted By Bicycle Bob
It might be hauling a small aircraft. If aero...

It might be hauling a small aircraft. If aero were the first consideration, the wheel treatment would be better.
Forum: Aerodynamics 10-26-2023, 11:29 AM
Replies: 776
Views: 282,699
Posted By Bicycle Bob
Sharp trailing edges don't have to be dangerous -...

Sharp trailing edges don't have to be dangerous - soft material is enough to guide the air. Most bodywork could be radically lighter if it were resilient instead of stiff.
Forum: Motorcycles / Scooters 10-02-2023, 01:54 PM
Replies: 537
Views: 65,166
Posted By Bicycle Bob
Is that in reference to my ATV motor? What I...

Is that in reference to my ATV motor? What I have in mind is a front engine trike with the cylinder head poking out, for basic stability plus easy engine cooling and cabin heating. Two front...
Forum: Motorcycles / Scooters 09-27-2023, 01:13 PM
Replies: 537
Views: 65,166
Posted By Bicycle Bob
Would you buy a 125 cc motorcycle for the...

Would you buy a 125 cc motorcycle for the railway?
https://www.youtube.com/watch?v=oKeW355u4Do
Forum: Off-Topic Tech 07-30-2023, 11:10 PM
Replies: 17
Views: 694
Posted By Bicycle Bob
I didn't want to buy expensive, heavy-duty jack...

I didn't want to buy expensive, heavy-duty jack stands, but I also didn't want to die, so I made some tripods from 2 X 4 studs. They are working fine. Lifting is done in stages so that a power...
Forum: Off-Topic Tech 07-30-2023, 04:25 PM
Replies: 17
Views: 694
Posted By Bicycle Bob
Thanks for all the replies. I had an XFI cam...

Thanks for all the replies. I had an XFI cam lined up for the third time last winter, but the US owner just didn't want to deal with foreign shipping nohow. 3-tech stopped replying years ago. I'll...
Forum: Aerodynamics 06-20-2023, 01:53 PM
Replies: 4,208
Views: 1,313,909
Posted By Bicycle Bob
At least they know enough about Deltas to put on...

At least they know enough about Deltas to put on front skids, like the Cushman trikes, so they just slide instead of rolling like a Reliant.
Forum: Aerodynamics 05-08-2023, 04:14 PM
Replies: 4,208
Views: 1,313,909
Posted By Bicycle Bob
There are many great histories of the birth of...

There are many great histories of the birth of the Daytona Coupes, but one that stands out for me is that after amazing everyone with the triumphant trial run, nobody would spend the time to build...
Forum: Aerodynamics 01-19-2023, 01:44 PM
Replies: 1,300
Views: 161,102
Posted By Bicycle Bob
I'd never seen the fences before. Maybe they...

I'd never seen the fences before. Maybe they help if it is in a basically unsuitable location near the rear, and the customer really likes the styling.
Forum: Aerodynamics 01-19-2023, 12:48 PM
Replies: 1,300
Views: 161,102
Posted By Bicycle Bob
The way I heard it, the NACA duct was intended...

The way I heard it, the NACA duct was intended for low-flow situations, such as cockpit ventilation. I'm sure that AI would look at the overall situation and only recommend a NACA duct if no...
Forum: Aerodynamics 12-01-2022, 04:20 PM
Replies: 1,300
Views: 161,102
Posted By Bicycle Bob
"All vehicles must have bumpers." Nothing said...

"All vehicles must have bumpers." Nothing said about them being the first things that would get hit. In Texas, windshield wipers are mandatory, but a windshield is not.
Forum: EcoModding Central 10-29-2022, 12:49 PM
Replies: 37
Views: 2,997
Posted By Bicycle Bob
Not a duct tape, but 3M has a double-sided tape...

Not a duct tape, but 3M has a double-sided tape that is popular for replacing lines of rivets on box-truck bodies. I have a sample, and I'm a firm believer.
Forum: EcoModding Central 10-28-2022, 02:07 PM
Replies: 37
Views: 2,997
Posted By Bicycle Bob
Aircraft mechanics often refer to "hundred mile...

Aircraft mechanics often refer to "hundred mile per hour tape," but it even gets used on jets. A case of tape was used to temporarily replace much of the fabric on the fuselage and tail of a bush...
Forum: Aerodynamics 10-26-2022, 10:27 PM
Replies: 1,300
Views: 161,102
Posted By Bicycle Bob
OK - although I Really wish there was a direct...

OK - although I Really wish there was a direct input from my computer, like every other site I use. The 1956 Jensen 541 has a wide oval air intake, with a shutter that rotates like a carburettor...
Showing results 1 to 25 of 327

 
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