Ural on the Highway!?!?

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codemonkey001
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Re: Ural on the Highway!?!?

Post by codemonkey001 » Fri Sep 14, 2018 10:13 am

hotflash44 wrote:
Fri Sep 14, 2018 9:53 am
what exactly is the weak part on a Ural that causes mechanical failure if used for long periods of super slab. i have never had adverse issues with cars new/old and many motorcycles when used on the freeways. used to see ads for vehicles proclaiming all high way miles. as this was a good thing. surly the modern Ural :shock: must have a place in its world where it is comfortable. (the list of don't do out numbers the do). :cheers:
Can't speak for the Ural, but as the owner of a motorcycle only capable of doing 70 downhill with a tailwind (Royal Enfield Classic 500), there's a certain pucker factor involved with sharing the road with 18 wheelers doing 75pm. You don't have the leftover oomph needed to overtake or perform pretty much any maneuvers other than staying in the right lane and watching your mirrors for people texting while doing 85mph.
2007 Patrol
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Msblu79
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Re: Ural on the Highway!?!?

Post by Msblu79 » Fri Sep 14, 2018 10:14 am

I imagine that the Ural was originally built to deal with the roads that Sibierian russians have to drive on and I don't think there are any "freeways" in Irbit. Most russian roads I've seen are in rough shape or just plain dirt. High speed continuous running was not a requirement and will eventually takes it toll on the drivetrain. I have found that my rig will run all day at 55-60 quite well but pushing it to 70 has it working to hard and running close to redline. Fuel mileage seems to drop off rapidly over 60 too. :)
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Manscout
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Re: Ural on the Highway!?!?

Post by Manscout » Fri Sep 14, 2018 10:52 am

Msblu79 wrote:
Fri Sep 14, 2018 10:14 am
I imagine that the Ural was originally built to deal with the roads that Sibierian russians have to drive on and I don't think there are any "freeways" in Irbit. Most russian roads I've seen are in rough shape or just plain dirt. High speed continuous running was not a requirement and will eventually takes it toll on the drivetrain. I have found that my rig will run all day at 55-60 quite well but pushing it to 70 has it working to hard and running close to redline. Fuel mileage seems to drop off rapidly over 60 too. :)
Close. 77MPH with standard gearing. ;)
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Re: Ural on the Highway!?!?

Post by repeat offender » Fri Sep 14, 2018 11:08 am

' Pretty much agree with Windmill....I take the back roads everywhere now, even with the Valkyrie or the car because the Interstate is always under construction or some accident halts traffic for hours. Two laners are just more fun at 60 than trying to get out of the way of the semis doing 80 mph.
George

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'37 W
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Re: Ural on the Highway!?!?

Post by Lokiboy » Fri Sep 14, 2018 11:31 am

Let’s throw some math into the equation.

Caveat, I’m not an engineer, nor did I stay in a Holiday Inn, so I present this as a commonsense look which may or may not be correct.

Max RPM for a 4.62 ratio Ural (GU & Patrol) is 5600 rpm.

65 mph = 4600 rpm or 82% of total
70 mph = 4900 rpm or 87.5%

If your car redlines at 6000rpm, would you run it at 5250 rpm? If you did, you’d get responses you see posted, “runs great, no issues, etc.” until the engine blows.

A 2 cylinder will run higher rpms than a four cylinder car. But, add weight, wind resistance etc. and the rpms probably aren’t too much different.

A Ural at 45 mph = 3200 rpm or 57%
At 55 mph = 3900 rpm or 68%

What has significantly changed since the original design of the engine, transmission and drive train that now allows for those sustained speeds of 60-75 mph?

Just throwing it out there - inquiring minds want to know
Last edited by Lokiboy on Sat Sep 15, 2018 11:37 am, edited 2 times in total.
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Re: Ural on the Highway!?!?

Post by rivers » Fri Sep 14, 2018 11:45 am

My view comes from the poor schmuck that's gotta fix it...me. I run mine mostly in the 50-55 mph range occasionally 60-65 but not for extended periods. Had it up to 70 once just to see if it could do it. I'm not too worried about the motor blowing but more concerned about the FD cooking.
Just "my" 2 cents.
Joe
014 GU
"I'm lost but I'm making good time."

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Re: Ural on the Highway!?!?

Post by Happytrails » Fri Sep 14, 2018 11:57 am

Enjoy 2 lanes for scenic, interstates for car/truck when i have a choice. My top speed indicated so far on the speedo is 59 but you all tell me that Urals are optimistic about the indicated speed. :)
-JR

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Re: Ural on the Highway!?!?

Post by stagewex » Fri Sep 14, 2018 12:51 pm

Sometimes you just can't avoid taking a crappy super highway. And there's nothing "super" about them.
I-95 north or south if I have to. I don't like driving a 2-wheeler or even a car on that road. And if traveling south where it is called the New Jersey Turnpike, now that's firkin brutal.

Most of the time it's not the monotonous speed that concerned me. I'll change-up from 55-60-65 on a regular basis. It's more about having to STOP this pile of former Soviet steel from plowing into some idiot who stops or changes lanes or cuts me off abruptly for no apparent reason. That's the tricky part!
Last edited by stagewex on Fri Sep 14, 2018 8:58 pm, edited 1 time in total.
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Re: Ural on the Highway!?!?

Post by Wanderrad » Fri Sep 14, 2018 1:15 pm

YMMV, but 60 mph on my speedo = 55 mph on my GPS. 69 mph on my speedo = 60 mph on my GPS.
-Scot

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Re: Ural on the Highway!?!?

Post by gobium » Fri Sep 14, 2018 3:28 pm

Drive like you stole it from a ural service center.

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windmill
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Re: Ural on the Highway!?!?

Post by windmill » Fri Sep 14, 2018 3:36 pm

Happytrails wrote:
Fri Sep 14, 2018 11:57 am
Enjoy 2 lanes for scenic, interstates for car/truck when i have a choice. My top speed indicated so far on the speedo is 59 but you all tell me that Urals are optimistic about the indicated speed. :)
The electronic speedo on my 2018 M70 is spot on according to my gps. The mechanical Speedo on my 07 Patrol fluctuates some.
Barry

"Take care, sir," cried Sancho. "Those over there are not giants but windmills".

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Re: Ural on the Highway!?!?

Post by windmill » Fri Sep 14, 2018 3:42 pm

Lokiboy wrote:
Fri Sep 14, 2018 11:31 am
Let’s throw some math into the equation.

Caveat, I’m not an engineer, nor did I stay in a Holiday Inn, so I present this as a commonsense look which may or may not be correct.

Max RPM for a 4.62 ratio Ural (GU & Patrol) is 5600 rpm.

65 mph = 4600 rpm or 82% of total
70 mph = 4900 rpm or 87.5%

If your car redlines at 6000rpm, would you run it at 5250 rpm? If you did, you’d get responses you see posted, “runs great, no issues, etc.” until the engine blows.

A 2 cylinder will run higher rpms than a four cylinder car. But, add weight, wind resistance etc. and the rpms probably aren’t too much different.

A Ural at 45 mph = 3200 rpm or 57%
At 55 mph = 4900 rpm or 68%

What has significantly changed since the original design of the engine, transmission and drive train that now allows for those sustained speeds of 60-75 mph?

Just throwing it out there - inquiring minds want to know
I've seen it suggested that ICE's are typically at their most efficient, and provide the longest service life when ran at 75% of their rated capacity.
Barry

"Take care, sir," cried Sancho. "Those over there are not giants but windmills".

2007 Patrol 100k km and counting,
2018 M70

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Re: Ural on the Highway!?!?

Post by Lokiboy » Fri Sep 14, 2018 4:10 pm

Jet engines do indeed run at around 80% except for combat power. Not saying it’s not true for ICE but, again, I’m not an engineer.
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Re: Ural on the Highway!?!?

Post by Wanderrad » Fri Sep 14, 2018 6:47 pm

windmill wrote:
Fri Sep 14, 2018 3:36 pm
Happytrails wrote:
Fri Sep 14, 2018 11:57 am
Enjoy 2 lanes for scenic, interstates for car/truck when i have a choice. My top speed indicated so far on the speedo is 59 but you all tell me that Urals are optimistic about the indicated speed. :)
The electronic speedo on my 2018 M70 is spot on according to my gps. The mechanical Speedo on my 07 Patrol fluctuates some.
I would like to dial in the speedo on my 2018, but sadly the adjustment is locked out.
-Scot

2018 Gear Up, Olive Drab Matte "Bad Penny"
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Re: Ural on the Highway!?!?

Post by windmill » Fri Sep 14, 2018 10:31 pm

Wanderrad wrote:
Fri Sep 14, 2018 6:47 pm
windmill wrote:
Fri Sep 14, 2018 3:36 pm
Happytrails wrote:
Fri Sep 14, 2018 11:57 am
Enjoy 2 lanes for scenic, interstates for car/truck when i have a choice. My top speed indicated so far on the speedo is 59 but you all tell me that Urals are optimistic about the indicated speed. :)
The electronic speedo on my 2018 M70 is spot on according to my gps. The mechanical Speedo on my 07 Patrol fluctuates some.
I would like to dial in the speedo on my 2018, but sadly the adjustment is locked out.
Have you checked it against a gps?
Barry

"Take care, sir," cried Sancho. "Those over there are not giants but windmills".

2007 Patrol 100k km and counting,
2018 M70

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