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06-25-2011, 08:19 AM
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#21
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Senior Member
Join Date: Jan 2011
Location: Florida
Posts: 1,279
SUN #1830
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Whew! JOhnB,
I think the single axle should be closer to the 10 to 13% and the double axle, or triple axle units can go fo 10% andr higher percentages. For axle capacity if for no other reason. I do feel the spread of the axles and greater capacity make percentages vary. In the end as long as the load is forward as required for safe travel then that is a good thing.
jim
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Beverly & Jim
Sebring, Florida
1991 T-2363 Solaris
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06-25-2011, 08:27 PM
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#22
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Moderator
Join Date: Dec 2006
Location: Michigan
Posts: 6,155
SUN #123
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Quote:
Originally Posted by frank_a
I could look around for those John. What was the tank sitting on, wood?
I also found this thing (for 24 bucks) that I could get from Boat n RV Warehouse, but am unsure it would do the trick, or how it works: J RACK | Bonner Sports & RV
They don't have one in stock at their big store next town down from me, they would have to order it. Kinda handy having them so close though. I drive right by on my way to work and back home every day. Got my butyl tape there and vinyl screw covers this past week.
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Frank, I believe that's the bracket you would have originally had if you had a propane/electric refrigerator from the factory and not the ice box. All Sunspots (with gas tanks) and all shorter Sunlines that only had one 20# tank on the tongue typically used this bracket. Dual tanks were an option, but I'm not sure it was on the Sunspot.
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2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9473.8 (as of 6/18/21)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
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06-25-2011, 08:35 PM
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#23
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Moderator
Join Date: Nov 2006
Location: Ohio
Posts: 12,658
SUN #89
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Jim
Take this as a friendly camper caution: On a TT regardless of number of axles, because as you said, tongue loads do change due to different camping conditions. I caution you not to on purpose target a 10% loaded tongue especially on a light single axle camper. The smaller the camper the more pronounced the change in weights. A 10% tongue on a light TT can go up to 12% or down to 8 % from gear changes that can get moved and unrealized. An 8% loaded tongue will not go off into sway immediately but it will not take much of a wind gust or pot hole to set it off when your over 45 mph.
If you have a 3,000# TT with a 300# tongue 18 feet long, having 1 LP tank go empty up front (33#) and putting a filled pop cooler (~ 50#) on the back wall can have a negative effect = 8%. Targeting 13 to 15% allows more cushion to be built in and more towing stability in non optimum towing conditions.
Thanks
John
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
Google Custom Search For Sunline Owners Club
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06-26-2011, 04:20 AM
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#24
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Senior Member
Join Date: Mar 2011
Location: New York
Posts: 460
SUN #1953
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Quote:
Originally Posted by Sunline Fan
Frank, I believe that's the bracket you would have originally had if you had a propane/electric refrigerator from the factory and not the ice box. All Sunspots (with gas tanks) and all shorter Sunlines that only had one 20# tank on the tongue typically used this bracket. Dual tanks were an option, but I'm not sure it was on the Sunspot.
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Excellent. I think I will get one, and we'll see how it works.
Back to work on finishing up my right rear corner rebuild.
Thanks!
Frank
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2009 GMC Canyon with factory tow package & new fangled brake controller
2008 Subaru Outback
1983 Sunline T-1550
Image to come as soon as I figure out how to flatten a pic!
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06-26-2011, 01:32 PM
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#25
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Senior Member
Join Date: Jan 2011
Location: Florida
Posts: 1,279
SUN #1830
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Quote:
Originally Posted by JohnB
Jim
Take this as a friendly camper caution: On a TT regardless of number of axles, because as you said, tongue loads do change due to different camping conditions. I caution you not to on purpose target a 10% loaded tongue especially on a light single axle camper. The smaller the camper the more pronounced the change in weights. A 10% tongue on a light TT can go up to 12% or down to 8 % from gear changes that can get moved and unrealized. An 8% loaded tongue will not go off into sway immediately but it will not take much of a wind gust or pot hole to set it off when your over 45 mph.
If you have a 3,000# TT with a 300# tongue 18 feet long, having 1 LP tank go empty up front (33#) and putting a filled pop cooler (~ 50#) on the back wall can have a negative effect = 8%. Targeting 13 to 15% allows more cushion to be built in and more towing stability in non optimum towing conditions.
Thanks
John
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JohnB, Duly noted.
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Beverly & Jim
Sebring, Florida
1991 T-2363 Solaris
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