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Old 06-25-2011, 08:19 AM   #21
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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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Old 06-25-2011, 08:27 PM   #22
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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.
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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Old 06-25-2011, 08:35 PM   #23
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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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Old 06-26-2011, 04:20 AM   #24
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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.
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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Old 06-26-2011, 01:32 PM   #25
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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
JohnB, Duly noted.
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