Heavy Wheel Vehicle Mechanic
Heavy Wheel Vehicle Mechanic
Posted on Apr 26, 2022
Do you think there will be fuel-efficient vehicles that are up-armored in the near future for the US Army?
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Do you think there will be fuel-efficient vehicles that are up-armored in the near future for the US Army?
Posted in these groups: 
63S: Heavy Wheel Vehicle MechanicFuel Handler
63S: Heavy Wheel Vehicle MechanicFuel Handler
Posted >1 y ago
Responses: 12
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MSG (Join to see)
SSG (Join to see) - Well....a person would only be able to carry x1 12 pack, or x2 6 pack, or x1 24 pack. Any more would risk dropping the beer. And that we cannot have.
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All modern vehicles are more fuel-efficient than their predecessors. Modern internal combustions engines produce more horsepower per cubic inch and with better transmission systems. To use my old Nissan Frontier V-6 as an example, a 3.5 Liter 2000 Desert Runner generated 170 HP and around 200 Lb. Ft. of Torque, with a 19 MPG highway mileage. The 2021 Frontier V-6 is a 3.8 Liter that gets 310 HP and 281 Lb. Ft. of Torque and 24 MPG. Thats about a 21% increase in mileage will adding 40 HP. Or looking at it per Cubic Liter, the 2000 averages about 52 HP per liter and the 2021 gets about 82 HP per liter with better mileage.
Still, you can't get around the fact that armor means weight and total weight per Cubic Inch or Liter is a major factor in fuel efficiency, given that most military vehicles are exactly aerodynamic.
Still, you can't get around the fact that armor means weight and total weight per Cubic Inch or Liter is a major factor in fuel efficiency, given that most military vehicles are exactly aerodynamic.
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SFC (Join to see)
Agreed. The HP to weight ratio and the MPG to weight ratio does improve over time.
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CPT Lawrence Cable
SFC (Join to see) - The internal combustion engine technology has improved at a relatively predictable rate over the past couple of decades. As an example, my old 2005 Honda Shadow Aero is listed at 43 peak HP and I get maybe 55 MPG on a good day on the open road. The new Honda Rebel has 47 HP at the peak and is supposedly getting 67 MPG, which I find believable. So Honda has went from 5.77 HP per cubic liter to 9.97 per cubic liter and gained about 18% in mileage with the change from the old V-twin to the parallel twin on the Rebel with fuel injection. Do you need an 800 lb bike these days, even in the Cruiser Class?
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SFC (Join to see)
CPT Lawrence Cable - My adventure bike and I weigh in at over 1,000 lbs., if I'm going on a long, back roads trip, putting the bike close to that 800 lbs.
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CPT Lawrence Cable
SFC (Join to see) - Even the Shadow goes 550 lbs. with gas in it. Add me
with riding gear and it goes close to 800 lbs. I suspect I was close to that 1000 lbs. mark in this photo.
with riding gear and it goes close to 800 lbs. I suspect I was close to that 1000 lbs. mark in this photo.
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