USMC Diesel Motorcycle
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Gosh - this should drive the Highway Man totally berserk. Nothing soils chaps worse than diesel, and lord only knows what sort of colorful neologisms he'll need to coin in order to appropriately villipend this development. "Glow-plug atrociteurs" has a nice ring to it...
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This month's issue of the Brit mag "Ride" has a long article on the subject bike and diesal bikes in general. Bought my copy at Borders Books. Max torque same as the KLR but at 2500 rpm instead of 5000.
Rennie
Rennie
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I thought it was ooh rah
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Actually, it's the same motor adapted to run on JP-8, the same fuel that goes into HMMWVs, F-18s and M-1 jet engined Abrahms tanks. The same fuel goes for all to cut down on logistics of acquiring, storing and dispensing multiple fuel types into (hopefully) the appropriate vehicle. Fog of war, and all that, you know......
This would be a very interesting engine. If my recollection is correct (it's late) the formula for horsepower is Torque (in pound-feet) X RPM / 5250 = HP. If that is correct and I did the math correctly, this engine would be turning under 300 RPM. Not bothering with decimal pints I get 160 X 295 / 5250 = 9HP. Sounds like some kind of industrial engine, it wouldn't shred a bicycle tire, sorry.
SlowBear
SlowBear
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3,874 Posts
How about a Diesel CR500?
Somewhere in my stuff I have a brochure that shows a dieselized CR500 concept bike that was developed for the same set of requirements. This was done about 5 years ago and demonstrated at Quantico. Power output was in the 45-55 HP range, and obviously, would kick any dieselized KLR's butt. Interesting what our military product development yields.
FWIW, we are the only military power that doesn't make extensive use of motorcycles. All the European armies, and even the Canadians, have many motorcycles for dispatch, communications and scout duty.
Somewhere in my stuff I have a brochure that shows a dieselized CR500 concept bike that was developed for the same set of requirements. This was done about 5 years ago and demonstrated at Quantico. Power output was in the 45-55 HP range, and obviously, would kick any dieselized KLR's butt. Interesting what our military product development yields.
FWIW, we are the only military power that doesn't make extensive use of motorcycles. All the European armies, and even the Canadians, have many motorcycles for dispatch, communications and scout duty.
Jane's has a video of a diesel here:
http://www.janes.com/defence/land_forces/video/m1030m1_diesel_motorbike.shtml
(the link may be broken up - you may have to cut and paste the peices into your browser)
http://www.janes.com/defence/land_forces/video/m1030m1_diesel_motorbike.shtml
(the link may be broken up - you may have to cut and paste the peices into your browser)
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134 Posts
Yup
Been reading about it for some time on the KLR list. The military has standardized on diesel fuel. They had to keep a few barrels of gasoline around for the recon/courier bikes which was a logicistical hassle, and the increased flammability of gasoline over diesel was considered an unnecessary risk.
Considering the KLR has always been about reliable, low-tech, low-end grunt and never about fast acceleration or horsepower, I don't think the bike sounds too bad.
Been reading about it for some time on the KLR list. The military has standardized on diesel fuel. They had to keep a few barrels of gasoline around for the recon/courier bikes which was a logicistical hassle, and the increased flammability of gasoline over diesel was considered an unnecessary risk.
Considering the KLR has always been about reliable, low-tech, low-end grunt and never about fast acceleration or horsepower, I don't think the bike sounds too bad.
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230 Posts
Re:Marine can't shred tricycle tire
Really? According to tire manufacturers, the bikes that are hardest on tires are the ones with the highest torque to weight ratios.
I have some annecdotal evidence to support that: My supermotard barely makes 45 hp, but it shreds rear tires twice as fast as the street bikes I have owned.
Really? According to tire manufacturers, the bikes that are hardest on tires are the ones with the highest torque to weight ratios.
I have some annecdotal evidence to support that: My supermotard barely makes 45 hp, but it shreds rear tires twice as fast as the street bikes I have owned.
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48 Posts
Re:Marine can't shred tricycle tire
The supermotard style is particularly hard on tires, but I think the lack of a cush drive on most of 'em (KTM street models excepted) is also a major contributor. My CR250 makes 45 rwhp/32 lb-ft torque, and is downright abusive on tires. Or maybe that's my penchant for 4 and 5-gear hacks approaching slow corners...
And back on the topic...diesel bikes would make interesting commuter rides. I can't help thinking you'd smell rather strongly of diesel after a few miles on one, though.
The supermotard style is particularly hard on tires, but I think the lack of a cush drive on most of 'em (KTM street models excepted) is also a major contributor. My CR250 makes 45 rwhp/32 lb-ft torque, and is downright abusive on tires. Or maybe that's my penchant for 4 and 5-gear hacks approaching slow corners...
And back on the topic...diesel bikes would make interesting commuter rides. I can't help thinking you'd smell rather strongly of diesel after a few miles on one, though.
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17,449 Posts
Don't let the USDOT or EPA find out what kind of mileage these diesel bikes get. Or else we'll have mandated diesel road bikes by 2010.
Imagine CBXX's with 60HP and 220ft/lbs of torgue. Even your Honda GoldWing may become a wheelie king. All while gettinbg 74mpg.
Imagine CBXX's with 60HP and 220ft/lbs of torgue. Even your Honda GoldWing may become a wheelie king. All while gettinbg 74mpg.
The spec sheet for the M1030M1 (and this is hardly news, by the way) is at
<a>http://www.drive.cranfield.ac.uk/rmcsbike.pdf</a>
Power output is rated at 24HP (18kW).
Someone mentioned the commuting possibilities: the specified range for the M1030M1 is 400 miles (650km) on less than 4 U.S. gallons (14 l) of fuel.
Staying on the commuting thread, there was an article posted here (not that you can find it now) recently about a hybrid motorcycle that used a direct injection diesel engine: more info at
http://www.ecycle.com/powersports/hybrid.htm
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Davy
<a>http://www.drive.cranfield.ac.uk/rmcsbike.pdf</a>
Power output is rated at 24HP (18kW).
Someone mentioned the commuting possibilities: the specified range for the M1030M1 is 400 miles (650km) on less than 4 U.S. gallons (14 l) of fuel.
Staying on the commuting thread, there was an article posted here (not that you can find it now) recently about a hybrid motorcycle that used a direct injection diesel engine: more info at
http://www.ecycle.com/powersports/hybrid.htm
--
Davy
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