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Forum:
Aerodynamics
Today, 11:45 AM
Replies:
1,088
Boat tail project based on a single wheel trailer...
Views:
257,728
Posted By
aerohead
' Bam's trailer '
Bam's trailer is hinged to a transverse spar, welded to the 2-inch 'male' pipe which engages the receiver hitch.
It articulates in 'pitch', dampened by duel air-springs.
Forum:
Alternative Transportation
Today, 09:06 AM
Replies:
45
Picked up another stray (bike): 1962 CCM singlespeed
Views:
11,922
Posted By
MetroMPG
It's actually a center stand - the left side of...
It's actually a center stand - the left side of it is hidden behind the right.
Same kind of stand as on the old CCM:
...
Forum:
Aerodynamics
Yesterday, 06:48 PM
Replies:
1,088
Boat tail project based on a single wheel trailer...
Views:
257,728
Posted By
freebeard
BamZipPow's example is not articulated. I've...
BamZipPow's example is not articulated.
I've only seen one-wheel articulated trailers on motorcycles.
Forum:
Aerodynamics
Yesterday, 06:37 PM
Replies:
21
Brilliant way to visualise/see air/fluid flow
Views:
588
Posted By
freebeard
...if you follow the recipe; it's difficult to...
...if you follow the recipe; it's difficult to respect ingress/egress, breakover angles and worst of all, rear view mirror requirements.
Forum:
Aerodynamics
Yesterday, 11:54 AM
Replies:
1,088
Boat tail project based on a single wheel trailer...
Views:
257,728
Posted By
Logic
Erm... If you want to make an articulated 1...
Erm...
If you want to make an articulated 1 wheeled trailer (no castor wheel) your 'tow hitch should be a universal cross as found in driveshafts on rear wheel drive cars.
Now you have the...
Forum:
Alternative Transportation
Yesterday, 11:14 AM
Replies:
45
Picked up another stray (bike): 1962 CCM singlespeed
Views:
11,922
Posted By
MetroMPG
I guess I've got the old bike hoarding sickness
I think I've traded hoarding old Metros for hoarding old bikes...
https://ecomodder.com/forum/attachment.php?attachmentid=34702&stc=1&d=1714575671
I've picked up half a dozen 50 - 75 year-old...
Forum:
EcoModding Central
Yesterday, 08:08 AM
Replies:
59
How much does tire and wheel weight effect MPG?
Views:
117,197
Posted By
steve05ram360
Throttle response changes with heavier tires, the...
Throttle response changes with heavier tires, the same for lighter wheels. If you drive 400 miles (example) non stop on the hiway then there may not be an impact but over a mixed tank where your...
Forum:
The Lounge
04-30-2024, 07:49 PM
Replies:
536
Scott Adams Thread (Garfield Cartoonist)
Views:
28,694
Posted By
freebeard
I didn't recognize the reframing of the questions...
I didn't recognize the reframing of the questions because I didn't dwell on each one. Some tests give a better result if you give an initial reaction rather than over-thinking each answer. an example...
Forum:
Aerodynamics
04-30-2024, 12:05 PM
Replies:
25
'Tesla Model 3 Highland aero tweaking'
Views:
1,806
Posted By
Phase
The air curtains on the new model 3 actually look...
The air curtains on the new model 3 actually look pretty good. Did they say what the drag coefficient is for the performance version? They mentioned better front splitter and rear diffuser too. I’m...
Forum:
Aerodynamics
04-30-2024, 10:05 AM
Replies:
3
SAE International, 2022-28-0509 ( Aer0 vs Range)
Views:
131
Posted By
ennored
"The car chosen for this study is an urban...
"The car chosen for this study is an urban electric hatchback car, designed for Indian conditions." "Length(mm) 3280....."
The dimensions given match a Mahindra e2o:
...
Forum:
Aerodynamics
04-30-2024, 04:23 AM
Replies:
25
'Tesla Model 3 Highland aero tweaking'
Views:
1,806
Posted By
Vekke
For some "reason" new model 3 performance has...
For some "reason" new model 3 performance has brought back the older looking air curtain style.
https://youtu.be/SsI8i1nfahs?si=0VQTF7BXWNPPngSc&t=152
So my estimate is that the new style from...
Forum:
Aerodynamics
04-29-2024, 01:52 PM
Replies:
20
Arduino UNO-based Active Grille Block
Views:
1,709
Posted By
CigaR007
Did a 30-mile loop yesterday. Ambient air...
Did a 30-mile loop yesterday. Ambient air temperature was around 16 deg C and the coolant was stable at 95 deg C with the grille shutter half-open.
Pretty sure the grille shutter will need to be...
Forum:
The Lounge
04-29-2024, 01:49 PM
Replies:
26
Energy Free Cooling through Physics
Views:
1,658
Posted By
freebeard
1) It's at ?t=628...
1) It's at ?t=628 (https://youtu.be/T2Sn9QG68WI?t=628). Ultrawhite paint is 88.6%, a silvered mirror is 89.5%.
2) Don't know
3) [citation needed]
4) Disagree. It's reflecting the heat load...
Forum:
General Efficiency Discussion
04-29-2024, 11:26 AM
Replies:
9
Dimpled Pistons: 20%+ better (Diesel) fuel economy!??
Views:
185
Posted By
aerohead
' 20% '
I'm not current on Diesels, as I've lost interest in internal combustion, but the last time I looked, the most efficient diesels were in ocean-going cargo ships.
The one reported, was manufactured...
Forum:
Aerodynamics
04-29-2024, 11:06 AM
Replies:
3
SAE International, 2022-28-0509 ( Aer0 vs Range)
Views:
131
Posted By
aerohead
SAE International, 2022-28-0509 ( Aer0 vs Range)
Delta-10% drag = Delta 5% range on BEVs.
https://www.sae.org/publications/technical-papers/content/2022-28-0509/...
Forum:
Aerodynamics
04-29-2024, 10:29 AM
Replies:
7
rheoscopic fluid
Views:
207
Posted By
aerohead
' blame '
I blame him too!
He's just a !*$*&#+?~!! buzzkill.;)
Forum:
Aerodynamics
04-29-2024, 02:49 AM
Replies:
15
Ziptie Plugs from Tuneko
Views:
4,802
Posted By
Vekke
With so little 1/3" 8,5mm protrusion no impact...
With so little 1/3" 8,5mm protrusion no impact that you could measure to consumption. Maybe sound might be a problem but test will show is there any sounds coming.
I currently have no stock to...
Forum:
The Lounge
04-28-2024, 06:00 PM
Replies:
536
Scott Adams Thread (Garfield Cartoonist)
Views:
28,694
Posted By
freebeard
I think that link at #517 is corrupted. This...
I think that link at #517 is corrupted.
This system doesn't have the GIMP installed or I'd crop a screen shot.
I see that the X axis is economic. What would a collective/sovereign axis be...
Forum:
The Lounge
04-28-2024, 04:29 PM
Replies:
26
Energy Free Cooling through Physics
Views:
1,658
Posted By
freebeard
Here is a metamaterials approach: This Material...
Here is a metamaterials approach:
This Material Might Change How We Cool Our Houses Forever (https://www.youtube.com/watch?v=T2Sn9QG68WI)
A self-assembling aluminum foam. I should think that would...
Forum:
EcoModding Central
04-28-2024, 10:54 AM
Replies:
34
David Vizard's Pressure Wave Terminator Box?? and Anti Reversion?
Views:
4,318
Posted By
Logic
Ye; like that but ALSO with sucking at the...
Ye; like that but ALSO with sucking at the trailing edge of the upper wing surface..
ie: That blown air is directed/pointed towards a facing suction nozzle/slot of some sort, located very close...
Forum:
The Lounge
04-28-2024, 10:01 AM
Replies:
536
Scott Adams Thread (Garfield Cartoonist)
Views:
28,694
Posted By
sgtlethargic
I don't put much weight into this.
I don't put much weight into this.
Forum:
General Efficiency Discussion
04-28-2024, 04:43 AM
Replies:
9
Dimpled Pistons: 20%+ better (Diesel) fuel economy!??
Views:
185
Posted By
jakobnev
Maybe I'm reading the charts wrong, but @2100rpm...
Maybe I'm reading the charts wrong, but @2100rpm there was 30%(?) increase in power with 6% improvement in BSFC, which means 23% more fuel was injected. It's not apples to apples and if you don't...
Forum:
Saving@Home
04-28-2024, 04:05 AM
Replies:
17
Oilgate
Views:
966
Posted By
Piotrsko
You're an oddity then. Like freebeard, i have...
You're an oddity then. Like freebeard, i have done motor pool and the unreported damage is astounding. Then it's denied. One client, i resorted to taking before & after pictures before she ended...
Forum:
The Lounge
04-27-2024, 11:09 PM
Replies:
536
Scott Adams Thread (Garfield Cartoonist)
Views:
28,694
Posted By
redpoint5
I'll refer back to the results of my political...
I'll refer back to the results of my political compass test. How people feel about my comments is usually reflective of their relative distance from the center. My apparent fault is having a slight...
Forum:
Aerodynamics
04-27-2024, 08:22 PM
Replies:
20
Arduino UNO-based Active Grille Block
Views:
1,709
Posted By
CigaR007
Outlet on the left is for the engine block...
Outlet on the left is for the engine block heater. Yellow cord is for the 12v battery. No PHEV for the CR-Z, unfortunately.
I do have a hitch-mounted truncated boat tail in the works. Waiting for...
Showing results 1 to 25 of 500
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