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Search took 0.02 seconds. Search: Posts Made By: dennyt

Forum: EcoModding Central

03-27-2012, 12:51 PM

Replies: 92

Power Steering delete for fuel economy gain - anyone done it?

Views: 48,348

Posted By dennyt

I pulled the PS pump, got a shorter belt, and...

I pulled the PS pump, got a shorter belt, and drained and capped the lines in my '94 Subaru Loyale about 2 years ago. The steering still feels great, i.e. nothing is going wrong. The effort is...

Forum: EcoModding Central

09-27-2011, 06:51 PM

Replies: 16

Project: electric assisted quadracycle or ped

Views: 3,184

Posted By dennyt

Here are some good kits and parts for a pedal /...

Here are some good kits and parts for a pedal / electric vehicle: Worlds best Electric bicycle recumbent DIY conversion kits kit NuVinci Electric Scooter e-bike worlds best Electric bicycle recumbent...

Forum: Introductions

09-02-2011, 06:06 PM

Replies: 824

Sticky: What's everyone's background?

Views: 288,399

Posted By dennyt

Mechanical Engineer doing structural design &...

Mechanical Engineer doing structural design & analysis on reusable rockets for commercial spaceflight.

Blue Origin (http://www.blueorigin.com/letter.htm)...

Forum: Fossil Fuel Free

09-01-2011, 12:05 AM

Replies: 16

Beer-Electric Hybrid

Views: 3,840

Posted By dennyt

I went with the front hub because I wanted an...

I went with the front hub because I wanted an internal gear rear hub, for commuting in the rain with less mess. This hub motor has a reduction gear and freewheel inside, so it can't support regen....

Forum: General Efficiency Discussion

08-17-2011, 05:10 PM

Replies: 0

Honda EXlink Atkinson Engine - Novel Bottom-End Mechanism

Views: 3,204

Posted By dennyt

Honda EXlink Atkinson Engine - Novel Bottom-End Mechanism

Honda is showing off a concept for a new Atkinson engine bottom-end mechanism, with short stroke on intake & compression, and long stroke on expansion & exhaust. It also reduces the connecting rod...

Forum: Forum News & Feedback

08-03-2011, 06:08 PM

Replies: 4

Last fuel log not shown in graph

Views: 1,425

Posted By dennyt

Try refreshing the page, I usually have to do...

Try refreshing the page, I usually have to do that for the graph image to update.

Forum: Aerodynamics

08-02-2011, 02:04 PM

Replies: 14

Mismatched trailer and tow vehicle..help me move

Views: 2,817

Posted By dennyt

I agree, I'd go with a boat tail & drive slower. ...

I agree, I'd go with a boat tail & drive slower. If it's for a one-time use, get some coroplast (sign shop) and aluminum angles. OSB can add up to hundreds of pounds.

Forum: Fossil Fuel Free

07-22-2011, 05:00 PM

Replies: 17

Velomobiles

Views: 9,273

Posted By dennyt

Yes, awesome. Great video! I love how...

Yes, awesome. Great video!

I love how aerodynamic & efficient velomobiles are. But my biggest hang-up is the idea of riding one of these in traffic. I just don't believe they are as visible as...

Forum: Aerodynamics

05-17-2011, 02:20 PM

Replies: 1

The Real McCoy Boat-Tail

Views: 1,102

Posted By dennyt

The Real McCoy Boat-Tail

http://i.imgur.com/ku3mz.jpg
Seen on the internets.

Oh! It's a Boatorhome!
http://www.boatorhomes.com/

Forum: Hypermiling / EcoDriver's Ed

04-27-2011, 01:03 PM

Replies: 93

Getting the Bird at on ramps.

Views: 13,324

Posted By dennyt

In addition to trying to get the best MPG...

In addition to trying to get the best MPG possible in my car, I try to drive in a way that doesn't cause drivers around me to waste gas. Cooperative merging may be in everyone's best interest.

Forum: Fossil Fuel Free

04-26-2011, 04:51 PM

Replies: 13

What would be an alternative to rubber tires?

Views: 6,965

Posted By dennyt

Crr .0001-.0020 ...

Crr .0001-.0020
http://www.discoverlivesteam.com/forsale/advertisers_images/P1010053.JPG

Forum: Aerodynamics

04-23-2011, 04:45 PM

Replies: 15

Saturn bellypan

Views: 4,577

Posted By dennyt

Yes, that's your Idle Air Control (IAC) valve...

Yes, that's your Idle Air Control (IAC) valve boosting the idle because the computer is telling it to. I'm not familiar with Saturns, but here's what I did on my Subaru to restrict it. A 3/16"...

Forum: EcoModding Central

04-18-2011, 04:20 PM

Replies: 32

Gas goes up, Car weight goes down

Views: 4,374

Posted By dennyt

With effective anticipation of lights & stop...

With effective anticipation of lights & stop signs (i.e. not using your brakes), weight is only a second-order MPG effect. You need a longer pulse but you get a longer glide.

Some members of...

Forum: EcoModding Central

04-15-2011, 02:33 PM

Replies: 19

Disconnected Idle Air Control - for lower RPM after a cold start

Views: 13,947

Posted By dennyt

CarloSW2, that is correct. The IAC has a 1/2"...

CarloSW2, that is correct. The IAC has a 1/2" inlet hose, which is very easy to access. So, I drilled out a dime and stuffed it in the hose, right on top of the valve.
...

Forum: Aerodynamics

03-25-2011, 08:17 PM

Replies: 16

Mirror Delete / Interior Mirror Options

Views: 5,263

Posted By dennyt

Here's my setup. The driver's side works great,...

Here's my setup. The driver's side works great, the passenger's side less so because of the sight lines.
http://farm6.static.flickr.com/5028/5556203034_1199ff0a86.jpg
Amazon - CIPA Stick-On...

Forum: Hypermiling / EcoDriver's Ed

03-18-2011, 01:12 PM

Replies: 45

the slip: shifting without using the clutch

Views: 19,484

Posted By dennyt

I've shifted without the clutch in standard cars...

I've shifted without the clutch in standard cars (synchro type transmission), on motorcycles (dog type transmission) and in a nice little racecar with a motorcycle engine & gearbox.
...

Forum: Aerodynamics

03-17-2011, 05:16 PM

Replies: 15

GMC Centaur Pickup Truck Concept

Views: 6,997

Posted By dennyt

GMC Centaur Pickup Truck Concept

Saw the article here (http://www.pickuptrucks.com/html/stories/lookback/centaur/looking-back-at-1988-gmc-centaur-concept.html).

Throw an aerocap on that, ditch the mirrors, and it would be quite...

Forum: Hypermiling / EcoDriver's Ed

03-02-2011, 01:19 PM

Replies: 505

How do you handle EXTREME tailgaters?

Views: 102,716

Posted By dennyt

This technique could be used by drivers as well...

This technique could be used by drivers as well as bicyclists:
http://www.notquitewrong.com/rosscottinc/comics/2011-02-28-roadsage.gif

Forum: Success Stories

01-21-2011, 02:50 PM

Replies: 13

Got an aerodynamics book :)

Views: 10,782

Posted By dennyt

Thanks for scanning those pages! I'm...

Thanks for scanning those pages!

I'm surprised by this image. Diffusers won't help station wagons?...

Forum: Off-Topic Tech

01-06-2011, 05:36 PM

Replies: 16

Ae86 SR1 Bonneville project (Toyota Corolla + 998cc motorbike engine)

Views: 7,695

Posted By dennyt

I wonder if a hood cowl would kill two birds with...

I wonder if a hood cowl would kill two birds with one stone - provide engine clearance, and reduce drag due to windshield pressure. Like this:
http://ecomodder.com/imgs/knox/knox-toyota-skirts-z.jpg

Forum: The Lounge

11-20-2010, 12:14 PM

Replies: 23

Make less garbage.

Views: 3,401

Posted By dennyt

So this is why people are putting pizza pans on...

So this is why people are putting pizza pans on their wheels... I'll take 15" pepperoni with a side of brake dust, thanks!

Forum: EcoModding Central

11-19-2010, 12:25 PM

Replies: 23

Driving on a temp spare?

Views: 3,642

Posted By dennyt

Discussion here:...

Discussion here: http://ecomodder.com/forum/showthread.php/video-can-skinnier-tires-increase-fuel-economy-189.html

Forum: The Lounge

11-15-2010, 11:03 PM

Replies: 106

My Death Trap

Views: 10,737

Posted By dennyt

I respectfully disagree, and I have video to back...

I respectfully disagree, and I have video to back it up:
Crash Test 1959 Chevrolet Bel Air VS. 2009 Chevrolet Malibu (Frontal Offset) (http://www.youtube.com/watch?v=joMK1WZjP7g)

You're not...

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