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05-19-2022, 11:21 PM
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#1
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Junior Member
Newmar Owners Club
Join Date: Aug 2020
Location: San Diego, CA
Posts: 21
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22’ Mountain Aire
The wife and I have an opportunity to move-up from our 2020’ Ventana to a 22’ Mountain Aire. Up and down the grapevine here in California a couple times a quarter. The Ventana, with 400Hp and approx 1200 ft lbs of torque, pulling our jeep slows to 45 mph. On my shopping list - improve our mountain speed capability. Seriously considered a London Aire with its 605 and 1900 lbs of torque but that unit is a bit north of the budget. Now a 22’ MA is within our reach, My concern is the MA is equipped with the 500 HP and approx. 1600 ft lbs of torque. So the the MA has the GVW like a London Aire but with the 500 HP not the 605 and approx. 1600 ft lbs of torque not the 1900 on the LA. Thinking of the torque to weight, the longer coach and additional GVW is my mountain climbing capability really improved in a 22’ MA?
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05-20-2022, 12:06 AM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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I wouldn't think so ; I don't believe the 500 HP coach or even the 605 HP coach will give an appreciable increase on the Grapevine climb .
You could start a poll asking other members what coach they drive; HP/Torque/ weight with toad, and what speed they maintain on the I-5 over the Grapevine and few , if any would be able to honestly say anything over 50.
JMHO: If the speed on the Grapevine and other climbs is your only concern with your current coach , switching coaches for added speed is an expensive way to gain 10/15 mins of travel time at the end of the day , and most times between LA and Sacramento on the 5 , you'll lose more than that in heavy traffic .
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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05-20-2022, 08:49 AM
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#3
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Junior Member
Newmar Owners Club
Join Date: Aug 2020
Location: San Diego, CA
Posts: 21
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Skip426, appreciate your insights. While it took a while to repair and dial in the Ventana our experiences have enabled us to create some features we'd like, if a another coach is in our future. The climb performance is something I don't know a lot about (which is why my post) and is/was on my list - along with a few features on her list. We've been looking around and this MA is something that has most all of what she wanted. It comes to the numbers for us. So the spend would primarily be to improve her happiness factor, in the end if we don't make a move the 15 minutes is not that big of deal.
Thank you again for sharing...
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05-20-2022, 09:29 AM
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#4
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Member
Join Date: Sep 2018
Posts: 82
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Weight difference
Curious to the weight difference between the 3 coaches being referenced - your current coach a 4118 MA and a 45’ LA ? The nice part about the X12 in the MA it’s about 1k lighter than the X15, Eng. to Eng. comparison- than you have an additional 4’ of Coach weight to contend with the LA. The MA 1695lb.ft torque vs your current 1,200lb.ft. Is a sizable difference. Plus you get the oversized Allison 4000 series trans. vs the 3000 series which is absolutely bullet proof.
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05-20-2022, 09:33 AM
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#5
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Well after 51 years I can understand the SWMBO ( She Who Must Be Obeyed) factor in any decision.
In twelve years with my current coach , 300HP/800FtLbs torque, and 32,000 lbs GCW with toad.
I've only crossed the Grapevine twice in my annual travels to SoCA; mostly cross on the 58 the Tehachapi; but experience is probably similar on both climbs . With light traffic maintaining 40/45 is easy , getting boxed in behind a loaded semi and loosing momentum; well that's a different story .
Those trips Happy Hour is a 1/2 hour delayed .
Safe travels .
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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05-20-2022, 11:53 AM
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#6
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Senior Member
Join Date: Jul 2019
Location: Upstate SC
Posts: 2,975
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Well darn. I only got in this thread to see a "22' Mountainaire". I was kind of hoping for something along these lines.
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05-20-2022, 09:34 PM
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#7
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Senior Member
Join Date: Sep 2010
Posts: 4,519
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We have a 18 LA with the X-15 605 HP and 1950 Torque and it is a real pleasure to drive. There is a difference between the X-12 and X-15 on grades. We had a Essex with a 500HP 1550 torque with a coach weight of 44K and the LA weighs in 51K with a full fuel tank. We pull a Dodge Durango at close 6K which is a total of 57K pounds. Pull almost any grade like the Grape Vine at 55MPH in either 4 or 5 th gear. Had a Newmar owner take out a MA with X-12 and then the LA with the X-15 on I-10 east of Indio and said there was a 10MPH difference between the two. Don't think there is any fuel usage difference. X-15 is the best for power and smooth traveling.
Newmar Man
__________________
Tom/Teri 16031 NKK 117995 FMCA
18 London Aire 4531 Spartan K-3 605
97-04 LA 04-18 Essex 2018 London Aire
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