Let's talk about radar dectectors.
New User
Joined: Dec 2009
Posts: 22
Likes: 0
Beltronics, Passport and Valentine one are the big players. Escort, and Bell are made in the same factory. Take a look at the new combination detector/ GPS Escort has out. Pretty nice but kind of pricey. I currently have a Bell Pro 60 in my Expd, and a Escort X50 in my G35, both are good. I rarely run more than abouit 10 percent over however, so I use mine more for a warning to check my speed.
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
Consider a 100 mile trip, with a consistent speed.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
Consider a 100 mile trip, with a consistent speed.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
Posting Guru
Joined: Sep 2005
Posts: 2,476
Likes: 2
From: Monroe Michigan
Consider a 100 mile trip, with a consistent speed.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
At 65 MPH, that trip will take 1 hour and 30 minutes.
At 75 MPH, it will take 1 hour and 20 minutes.
At 85 MPH, it will take 1 hour and 10 minutes.
Leave 10 or 20 minutes earlier. Save the fuel, the wear on the vehicle, the cost of the accident, whatever.
Thread Starter
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
Hence the reason why you get radar dectection/ lazer jamming devices. Not all people that get caught are doing it on purpose. Remember 99% of us or more break at least 1 law a day if not several.
Government Teat-sucker
Joined: Oct 2003
Posts: 9,748
Likes: 1
From: Virginia Beach
What about using the CB radio as a 'radar Detector?' I mean, who would know better than the truckers out there where the smokies (bears, bear traps, kojaks with kodaks, etc) are?
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
I would assume that would work great on the intersate. In the 2lane winding backroads there are more cops then truck drivers. Travel on the interstate is not much of a issue since there is always a jockey to chase.
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
Hotshot
Joined: Jun 2003
Posts: 12,339
Likes: 4,352
From: SW VA
I just got back from a 640 mile round trip.
At 70 mph, my Cummins is turning 2400RPM in 6th. It redlines at 3200RPM.
A 4" stright-pipe on a Cummins at over 2k RPM is more than enough for the eardrums. That's enough for me to keep from speeding.
That, and at 2300-2400RPM, I get 21 mpg. (68-72mph). At 2500RPM, I get 17mpg. (73-75mph)
If I had a 7th or 8th gear...I would be in trouble
At 70 mph, my Cummins is turning 2400RPM in 6th. It redlines at 3200RPM.
A 4" stright-pipe on a Cummins at over 2k RPM is more than enough for the eardrums. That's enough for me to keep from speeding.
That, and at 2300-2400RPM, I get 21 mpg. (68-72mph). At 2500RPM, I get 17mpg. (73-75mph)
If I had a 7th or 8th gear...I would be in trouble
Super Moderator
Joined: Jan 2008
Posts: 40,009
Likes: 1,517
From: Maine, Virginia
I believe that vehicles are best tuned to run between 55-65 mph. I would love a breakdown in the percentage of drop in economy per 5 mph driven over 60-65.
I know on large ships at sea, you eventually reach a point where the amount of fuel consumed is nearly double to reach say an additional 4-5 knots per hour.
I will admit, I'm less concerned about MPG's then getting there as soon as possible.
I know on large ships at sea, you eventually reach a point where the amount of fuel consumed is nearly double to reach say an additional 4-5 knots per hour.
I will admit, I'm less concerned about MPG's then getting there as soon as possible.
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
60-65mph on my 04 would yeild 17.5-17.8
70-75mph would yeild 15-16.4
When I went to 35" tires
70-75 stayed pretty close to the same on a long trip.
I haven't been on a lot of unloaded hwy trips in the 06. Driving 60-65 is pretty much out for me right now as time is more valuable then mpg.
The loaded trip to san antonio I took netted me 11.6mpg pulling a 16ft stock trailer loaded head to toe approx 10k total weight. Travelling 70-85mph thru the hill country on stock tuning. I'm guessing if I had gauges hooked up with that load tuned I could have made at least 13mpg based off of my previous trucks improvement on a tow tune
70-75mph would yeild 15-16.4
When I went to 35" tires
70-75 stayed pretty close to the same on a long trip.
I haven't been on a lot of unloaded hwy trips in the 06. Driving 60-65 is pretty much out for me right now as time is more valuable then mpg.
The loaded trip to san antonio I took netted me 11.6mpg pulling a 16ft stock trailer loaded head to toe approx 10k total weight. Travelling 70-85mph thru the hill country on stock tuning. I'm guessing if I had gauges hooked up with that load tuned I could have made at least 13mpg based off of my previous trucks improvement on a tow tune
Fleet Mechanic
Joined: Jan 2007
Posts: 1,741
Likes: 3
Back in the day when I was a student, I did some research involving aerodynamics and vehicles. I found it quite interesting that no equation I could find EVER went over 100 KPH. I don't know if this was because that's what common speed limits were in the day, or if the math involved got too complicated for mere pencil/paper applications.
Operationally, I know that the Freightliner's fuel economy takes a dump if I go over 70 MPH; either as a result of actually going that fast, or if my effective speed goes well into the '90's as a result of heavy headwinds. (No, my wallet does NOT like 30 MPH headwinds!!!
)-blaine
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
Today I went a total of 386 miles in about 5 hours. That includes 3 bathroom breaks and 1 food stop. Average speed is 77.2mph. According to some of the above calculations I really wasn't even speeding since I did average less than 10mph over the posted speed limit.
