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Showing results 1 to 19 of 19
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Posts Made By:
ByDesign
Forum:
General Efficiency Discussion
08-30-2021, 09:16 AM
Replies:
1,316
Buy a trailer (instead of a pickup truck)
Views:
334,403
Posted By
ByDesign
I hope no one takes offence to the tongue in...
I hope no one takes offence to the tongue in cheek comment about thinking. Of course starting with the biggest pigs would make the biggest impact, but as mentioned, there is a whole lot more to the...
Forum:
EcoModding Central
01-23-2018, 07:35 PM
Replies:
66
Winter cold killing everyone's MPG?
Views:
7,869
Posted By
ByDesign
It's a compound effect too. True, with higher...
It's a compound effect too. True, with higher air density aerodynamic losses are greater, but there are also greater throttling losses. Higher air density means you use slightly lower throttle...
Forum:
General Efficiency Discussion
09-10-2017, 01:49 PM
Replies:
1,316
Buy a trailer (instead of a pickup truck)
Views:
334,403
Posted By
ByDesign
On the bearings and axles issues, it is my...
On the bearings and axles issues, it is my experience that trailers are often neglected and abused. Home made ones are not always real straight and things are often not made true. All of those...
Forum:
Aerodynamics
07-16-2017, 11:33 AM
Replies:
154
Which Trailer shape is better??
Views:
68,173
Posted By
ByDesign
This thread started with the question "Which...
This thread started with the question "Which Trailer shape is better??" and some discussion about a Harbor Freight foundation.
When I saw this, I couldn't help but think how much better it would...
Forum:
General Efficiency Discussion
02-05-2017, 12:35 PM
Replies:
1,316
Buy a trailer (instead of a pickup truck)
Views:
334,403
Posted By
ByDesign
How do you regulate stupidity? Though they don't...
How do you regulate stupidity? Though they don't say it this way exactly, it is one of the biggest jobs of government. And, as pointed out, degrees of stupidity permeate the enforcement arena as...
Forum:
EcoModding Central
01-12-2017, 12:36 AM
Replies:
424
Looking for help building a Gas Vapor system
Views:
41,034
Posted By
ByDesign
Having worked for one of the big 3, I can tell...
Having worked for one of the big 3, I can tell you that's not true. Even if you pushed it to mean that it violated emission laws so they couldn't use it. You can certainly do better with fuel...
Forum:
EcoModding Central
01-12-2017, 12:03 AM
Replies:
424
Looking for help building a Gas Vapor system
Views:
41,034
Posted By
ByDesign
Wow, there's a ton of knowledge and large pile of...
Wow, there's a ton of knowledge and large pile of sarcasm in this thread. Even some BS. Makes it fun to read.
Gasoline vs. Propane: Energy Density is the amount of energy that can be released...
Forum:
Alternative Transportation
01-02-2017, 10:51 AM
Replies:
163
Poll:
Do you bike in bad weather?
Views:
33,111
Posted By
ByDesign
Lemmy, I like your attitude! Bad weather? No,...
Lemmy, I like your attitude! Bad weather? No, just insufficient equipment. :)
Forum:
Aerodynamics
12-19-2016, 12:58 PM
Replies:
205
1st Gen Toyota Tundra Aeroshell Build
Views:
89,333
Posted By
ByDesign
Well that's the rub with fuel economy. Add some...
Well that's the rub with fuel economy. Add some nice aero like your shell, but it adds weight. Aero is king at speed, and the faster you go the bigger the difference it makes. Weight is king for...
Forum:
Aerodynamics
05-14-2016, 07:31 PM
Replies:
68
BEST + CORRECT Aerodynamic Streamlining Template
Views:
15,778
Posted By
ByDesign
What the graph above does not show is the...
What the graph above does not show is the inefficiencies of converting sunlight into usable energy -- through all the gyrations -- conversion of sunlight, battery efficiency, controller efficiency...
Forum:
General Efficiency Discussion
05-14-2016, 07:00 PM
Replies:
1,473
Notable eco-cars (old & new) spotted in the wild: post your pics!
Views:
520,264
Posted By
ByDesign
Here's a fun little car -- not really spotted in...
Here's a fun little car -- not really spotted in the "wild", but part of a private collection.
http://www.synthx.com/i/messerschmitt-01.jpg
http://www.synthx.com/i/messerschmitt-02.jpg
Not...
Forum:
Aerodynamics
04-12-2016, 01:31 PM
Replies:
68
BEST + CORRECT Aerodynamic Streamlining Template
Views:
15,778
Posted By
ByDesign
Fun to see the bantering here . . . some of you...
Fun to see the bantering here . . . some of you have a fun sense of humor. Thanks for making me smile.
On aerodynamic shapes, size and speed are really important factors. RC cars were mentioned...
Forum:
Aerodynamics
04-10-2016, 12:46 PM
Replies:
68
BEST + CORRECT Aerodynamic Streamlining Template
Views:
15,778
Posted By
ByDesign
It's a good question. I like the concept of...
It's a good question. I like the concept of superimposing these shapes over photos, but it's a bit misleading in some respects.
There is no "best" shape for all vehicles. The blunter one would...
Forum:
Aerodynamics
12-20-2015, 10:06 AM
Replies:
55
Minimizing Aerodynamic Effect for Trailer Towing
Views:
14,500
Posted By
ByDesign
I really appreciate all that everyone has posted...
I really appreciate all that everyone has posted here. Great thoughts and education!
Here's a wrap-up for the year. I'm done with the expos for a few months, so thought I'd post a synopsis.
...
Forum:
Aerodynamics
12-02-2015, 10:53 PM
Replies:
55
Minimizing Aerodynamic Effect for Trailer Towing
Views:
14,500
Posted By
ByDesign
Trip #3. No mods, but slower speeds. OK, so...
Trip #3. No mods, but slower speeds. OK, so it's a feeble attempt, but I' like to understand the relationship of speed and fuel consumption as it relates to pulling the trailer. Trip #3 was 189.6...
Forum:
Aerodynamics
11-23-2015, 10:27 AM
Replies:
55
Minimizing Aerodynamic Effect for Trailer Towing
Views:
14,500
Posted By
ByDesign
Second trip. 166.2 miles. Without even looking...
Second trip. 166.2 miles. Without even looking at the fuel numbers, I could tell it made a difference. On trip #1 I had a hard time holding speed, and 80 mph was pushing it. With this (except...
Forum:
Aerodynamics
11-20-2015, 02:36 AM
Replies:
55
Minimizing Aerodynamic Effect for Trailer Towing
Views:
14,500
Posted By
ByDesign
Thank you, everyone. The above info and photos...
Thank you, everyone. The above info and photos (especially the camp trailer corners) are cool. Yes, I agree, the top edge needs something for sure.
_____
OK, on with the project. Violated my...
Forum:
Aerodynamics
11-17-2015, 08:22 AM
Replies:
55
Minimizing Aerodynamic Effect for Trailer Towing
Views:
14,500
Posted By
ByDesign
OK, here's the info. First "real" trip was 199.2...
OK, here's the info. First "real" trip was 199.2 miles. The only mod done for the first trip was to lower the hitch (level out the trailer and reduce frontal area).
The drawbar in the first post...
Forum:
Aerodynamics
11-11-2015, 09:40 AM
Replies:
2
Visor or Aero Feature?
Views:
1,539
Posted By
ByDesign
Visor or Aero Feature?
Saw this on the Peterbilt website and wondered about the visor. Looks like it may have some deflector functionality? The nearly vertical position intrigued me -- and though these may have been...
Showing results 1 to 19 of 19
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