Go Back   EcoModder Forum > Search Forums
Reload this Page Search Results
Register Now
 Register Now
 

Page 1 of 20 1 2311 Last »
Showing results 1 to 25 of 500
Search took 0.22 seconds. Search: Posts Made By: pgfpro
Forum: EcoModding Central 03-13-2025, 01:58 PM
Replies: 570
Views: 158,201
Posted By freebeard
When I was in high school, Rod & Custom had an...

When I was in high school, Rod & Custom had an excellent article on porting, and they called that tuliping. Here's an index if you care.


Another reference if needed:
Forum: EcoModding Central 03-12-2025, 07:03 AM
Replies: 570
Views: 158,201
Posted By Logic
If you really want to go cheap and DIY pgfpro; I...

If you really want to go cheap and DIY pgfpro; I have taken a very quick look at Zinc Hallide batteries.

Here's Zinc Bromine (https://en.wikipedia.org/wiki/Zinc%E2%80%93bromine_battery)

But...
Forum: EcoModding Central 03-12-2025, 05:51 AM
Replies: 570
Views: 158,201
Posted By Logic
https://ecomodder.com/forum/attachment.php?attachm...

https://ecomodder.com/forum/attachment.php?attachmentid=32543&d=1656962898

Also of note here is that those valves are far from stock if my eyes aren't deceiving me:
The valve edges have been...
Forum: EcoModding Central 03-11-2025, 03:14 AM
Replies: 570
Views: 158,201
Posted By Logic
Glad you like the Ramp-Gen-Doodat idea. :) ...

Glad you like the Ramp-Gen-Doodat idea. :)

Are you planning to just mount the gen to (underneath) the car's chassis when parked?


As far as the Sand Box goes:
Sand works great for storing...
Forum: EcoModding Central 03-07-2025, 05:55 AM
Replies: 570
Views: 158,201
Posted By Logic
Sure. But pgfpro wants to use the PTO-less,...

Sure. But pgfpro wants to use the PTO-less, 'Highly Mobile, Waste Acetone Incinerator' he already has (built)...

(Think about it:
If he's licensed as such; people pay him to heat his...
Forum: EcoModding Central 03-07-2025, 03:40 AM
Replies: 26
Views: 1,290
Posted By Logic
Intake (Air) volume is around 1/4 of exhaust gas...

Intake (Air) volume is around 1/4 of exhaust gas volume IIRC and that's all due to the much higher temperature of the exhaust gas.

IMHO, if you do NOT have a Tuned Length 'Banana Branch' Exhaust;...
Forum: EcoModding Central 03-07-2025, 03:06 AM
Replies: 26
Views: 1,290
Posted By Logic
Looking at: How to drill drill out or hollow...

Looking at:
How to drill drill out or hollow bolts.
and
'Where to buy' hollow (drilled) bolts.

It looks like people are happy to 'Get Technical' about it with talk of hollow bolts being...
Forum: EcoModding Central 03-06-2025, 12:16 PM
Replies: 570
Views: 158,201
Posted By freebeard
Best vehicle choice for this use case would be a...

Best vehicle choice for this use case would be a Land Rover/Range Rover, Unimog or Crosley Farm-O-Road.

All have a PTO.
Forum: EcoModding Central 03-06-2025, 06:29 AM
Replies: 26
Views: 1,290
Posted By Logic
Lightweighting Impacts on Fuel Economy, Cost, and...

Lightweighting Impacts on Fuel Economy, Cost, and Component Losses
I've only scanned the document, but they look at a conventional vehicle, HEV, PHEV and EV, with lots of pretty graphs....
Forum: EcoModding Central 03-06-2025, 06:07 AM
Replies: 26
Views: 1,290
Posted By Logic
Vehicle Lightening: Shaving Pounds Saves Gallons ...

Vehicle Lightening: Shaving Pounds Saves Gallons

...if automakers could lighten their vehicles by 20%, fuel mileage might improve by as much as 16%.
So a vehicle of 3500 lbs. that currently gets...
Forum: EcoModding Central 03-06-2025, 05:38 AM
Replies: 570
Views: 158,201
Posted By Logic
??! :) So jack up 1 wheel and attach a...

??! :)
So jack up 1 wheel and attach a generator using the wheel nuts and a flex coupling!?

For people not 'allergic' to spanners; You cant beat that for simplicity! :)
But your diff's pinion...
Forum: EcoModding Central 03-04-2025, 10:03 AM
Replies: 26
Views: 1,290
Posted By Logic
"...A recent study estimates that vehicle weight...

"...A recent study estimates that vehicle weight reductions of 35% could be implemented at
reasonable cost...
Vehicle weight reductions of this magnitude could reduce fuel consumption by 12 to 20%...
Forum: EcoModding Central 02-26-2025, 12:19 PM
Replies: 11
Views: 527
Posted By redpoint5
I'm agreeing, which is why I suggested...

I'm agreeing, which is why I suggested consumption limits as the primary method of speed reduction.

In the past, technologies like active suspension have been banned as a means of speed reduction....
Forum: EcoModding Central 02-26-2025, 06:44 AM
Replies: 11
Views: 527
Posted By Logic
Well F1 brings innovations like pre-chambers and...

Well F1 brings innovations like pre-chambers and lean burn into the limelight, increasing the chances of it trickling down into production cars.
From that POV consumption limits are a very good...
Forum: EcoModding Central 02-26-2025, 06:35 AM
Replies: 11
Views: 527
Posted By Logic
Wow! 60% is huge! So the (Copper Plated)...

Wow! 60% is huge!
So the (Copper Plated) Pre-Chamber 'rabbit hole' you say!? :)


Have you looked at this?...
Forum: EcoModding Central 02-25-2025, 11:07 PM
Replies: 11
Views: 527
Posted By redpoint5
Perhaps that's the best strategy for whenever the...

Perhaps that's the best strategy for whenever the cars get too fast; impose consumption limits and see what they come up with.
Forum: EcoModding Central 02-25-2025, 08:54 AM
Replies: 11
Views: 527
Posted By Logic
The Road to the 50% Thermally Efficient Internal Combustion Engine | Pat Symonds

The Road to the 50% Thermally Efficient Internal Combustion Engine | Pat Symonds
https://www.youtube.com/watch?v=mUq-K9jcaB8

Some interesting stuff for the engine builders here.
There are still...
Forum: EcoModding Central 01-20-2025, 06:21 AM
Replies: 570
Views: 158,201
Posted By Logic
I'm glad you found the info so useful pgfpro. :)...

I'm glad you found the info so useful pgfpro. :)
I look forward to the PM!
Forum: General Efficiency Discussion 01-19-2025, 02:48 AM
Replies: 12
Views: 583
Posted By freebeard
Jet-fueled 2-stroke diesel V-4

DELTAHAWK Diesel Jet Aircraft Engine - ENGINE WEEK 2024 (https://www.youtube.com/watch?v=2Zksea2aDyw)
Low maintenance with mechanical direct injection with one pump and injector per cylinder for...
Forum: EcoModding Central 01-15-2025, 12:01 AM
Replies: 570
Views: 158,201
Posted By Logic
Just Video I think you'll enjoy on how and where...

Just Video I think you'll enjoy on how and where to get metal (Inconel, Titanium, etc) parts 3D printed and the whole series is just damn good engineering and fabrication in general....
Forum: EcoModding Central 01-13-2025, 10:24 AM
Replies: 570
Views: 158,201
Posted By Logic
Man! I wish I could see all this with my own...

Man! I wish I could see all this with my own eyes!



Are you pulling a vacuum in the crankcase?
Or is this ...er... more complicated, involving 'intake and exhaust' reed valves?



Ye...
Forum: EcoModding Central 01-13-2025, 01:21 AM
Replies: 570
Views: 158,201
Posted By Logic
That looks like some really nice fabrication...

That looks like some really nice fabrication craftsmanship pgfpro.

I assume those suspension arms aren't plain old mild steel? Chrome Molly of some sort?

It looks like your intercooler is...
Forum: General Efficiency Discussion 12-24-2024, 06:29 AM
Replies: 4
Views: 327
Posted By Logic
Mechanism of micro-explosion of water-in-oil emulsified fuel droplet

NB
This is interesting for people like pgfpro who actually swing spanners at engines
and/or
people who like reading science papers.
If you aren't willing or able to do at least one of the above;...
Forum: EcoModding Central 12-18-2024, 11:31 PM
Replies: 570
Views: 158,201
Posted By cRiPpLe_rOoStEr
It's a common practice in the industry, as I have...

It's a common practice in the industry, as I have been told by an engineer who worked at the Brazilian branches of Cummins and Ford.




Maybe it would still be useful for you somehow.
Forum: The Unicorn Corral 12-18-2024, 05:29 PM
Replies: 343
Views: 18,471
Posted By Logic
Here I am throwing peer reviewed, published...

Here I am throwing peer reviewed, published research against the wall 'to see what sticks' according to aerohead.
(While his posts have yet to contain a single link to contravening research)

From...
Showing results 1 to 25 of 500
Page 1 of 20 1 2311 Last »

 
Forum Jump

Contact Us - EcoModder.com - Archive - Recent Posts - Top

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com