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#1
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posted to rec.boats
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Interesting that this topic came up as I'm preparing to trailer this
weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry |
#2
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posted to rec.boats
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Larry Crowe wrote:
Interesting that this topic came up as I'm preparing to trailer this weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry What you do is multiply the weight capacity of your tire by the number of tires to get the gross capacity of your trailer. If you have two tires with 1760# capacity each, and those tires are the proper size for your trailer, your gross capacity is 3520 pounds. Trailers, the frame part, have an overweight capacity safety factor, too. I'm guessing, but with your boat and the weight of your trailer, you are probably at the limit of the trailer's capacity. My new trailer has four tires with, if memory serves, the same weight capacity as yours. That might mean my trailer would handle a load of 7000# gross. But the manufacturer rates it as a 6000# gross. Also important: make sure your tires are properly inflated. Typically, boat trailer tires need 50-55 psi for safe towing speeds. |
#3
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posted to rec.boats
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Thanks for the lesson.. Hadn't really ever given a thought to it until
having the blowout,only made for being a little more cautious..larry HK wrote: Larry Crowe wrote: Interesting that this topic came up as I'm preparing to trailer this weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry What you do is multiply the weight capacity of your tire by the number of tires to get the gross capacity of your trailer. If you have two tires with 1760# capacity each, and those tires are the proper size for your trailer, your gross capacity is 3520 pounds. Trailers, the frame part, have an overweight capacity safety factor, too. I'm guessing, but with your boat and the weight of your trailer, you are probably at the limit of the trailer's capacity. My new trailer has four tires with, if memory serves, the same weight capacity as yours. That might mean my trailer would handle a load of 7000# gross. But the manufacturer rates it as a 6000# gross. Also important: make sure your tires are properly inflated. Typically, boat trailer tires need 50-55 psi for safe towing speeds. |
#4
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posted to rec.boats
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Larry Crowe wrote:
Thanks for the lesson.. Hadn't really ever given a thought to it until having the blowout,only made for being a little more cautious..larry HK wrote: Larry Crowe wrote: Interesting that this topic came up as I'm preparing to trailer this weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry What you do is multiply the weight capacity of your tire by the number of tires to get the gross capacity of your trailer. If you have two tires with 1760# capacity each, and those tires are the proper size for your trailer, your gross capacity is 3520 pounds. Trailers, the frame part, have an overweight capacity safety factor, too. I'm guessing, but with your boat and the weight of your trailer, you are probably at the limit of the trailer's capacity. My new trailer has four tires with, if memory serves, the same weight capacity as yours. That might mean my trailer would handle a load of 7000# gross. But the manufacturer rates it as a 6000# gross. Also important: make sure your tires are properly inflated. Typically, boat trailer tires need 50-55 psi for safe towing speeds. Also keep in mind that the faster you tow, the more risks you are taking and the more strain you are putting on your rig. Stopping distances while towing are substantially greater than when not towing, and your ability to "evade" accidents is also much reduced. Check to make sure your trailer's hubs are greased and if you are towing any distance, when you stop, put your palm on the hubs. Warm is fine; really hot is not. I boat in salt water, so I have a two gallon garden chemical sprayer in my car that I fill with fresh water. After I launch the boat, I spray the trailer's brakes with fresh water. Have fun. |
#5
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posted to rec.boats
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![]() "HK" wrote in message ... Also keep in mind that the faster you tow, the more risks you are taking and the more strain you are putting on your rig. Stopping distances while towing are substantially greater than when not towing, and your ability to "evade" accidents is also much reduced. Check to make sure your trailer's hubs are greased and if you are towing any distance, when you stop, put your palm on the hubs. Warm is fine; really hot is not. I boat in salt water, so I have a two gallon garden chemical sprayer in my car that I fill with fresh water. After I launch the boat, I spray the trailer's brakes with fresh water. Have fun. I thought everyone south of the border ripped along at 75 mph (as some here would have you believe) I wouldn't want to be behind them if a tire blew. |
#6
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posted to rec.boats
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Don White wrote:
"HK" wrote in message ... Also keep in mind that the faster you tow, the more risks you are taking and the more strain you are putting on your rig. Stopping distances while towing are substantially greater than when not towing, and your ability to "evade" accidents is also much reduced. Check to make sure your trailer's hubs are greased and if you are towing any distance, when you stop, put your palm on the hubs. Warm is fine; really hot is not. I boat in salt water, so I have a two gallon garden chemical sprayer in my car that I fill with fresh water. After I launch the boat, I spray the trailer's brakes with fresh water. Have fun. I thought everyone south of the border ripped along at 75 mph (as some here would have you believe) Nah, just the irresponsible a**hole trailer haulers do that. I wouldn't want to be behind them if a tire blew. |
#7
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posted to rec.boats
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![]() "Don White" wrote in message ... "HK" wrote in message ... Also keep in mind that the faster you tow, the more risks you are taking and the more strain you are putting on your rig. Stopping distances while towing are substantially greater than when not towing, and your ability to "evade" accidents is also much reduced. Check to make sure your trailer's hubs are greased and if you are towing any distance, when you stop, put your palm on the hubs. Warm is fine; really hot is not. I boat in salt water, so I have a two gallon garden chemical sprayer in my car that I fill with fresh water. After I launch the boat, I spray the trailer's brakes with fresh water. Have fun. I thought everyone south of the border ripped along at 75 mph (as some here would have you believe) I wouldn't want to be behind them if a tire blew. With a proper tow vehicle, do not even notice a blowout on a tandem axle trailer. Normally you find out about it from a passing motorist honking and pointing. I bought Carlisle tires one time, never again. Had 3 blowouts in less than 15 months. The fourth tire was separating when I stopped to change a blowout. |
#8
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posted to rec.boats
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On Wed, 19 Sep 2007 09:14:38 -0400, Larry Crowe penned the following
well considered thoughts to the readers of rec.boats: Interesting that this topic came up as I'm preparing to trailer this weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry At 1760 lbs. you probably have 6 ply rating 14" tires. This looks a little light to me, if you have a 2315# boat + fuel and other "stuff" that is carried aboard + the weight of the trailer. Two tires at 1760# each gives you a load rating of 3520#, which is probably your axle capacity (3500#), if you have 5 lug wheels. Ditto the above drill when you go to buy springs... there usually is an agreement in spring capacity, tire capacity, wheel capacity, and axle capacity. So.... I suspect you are at the extreme upper limit of capacity for your trailer's individual components and the trailer as a whole...... I would suggest weighing the trailer in an "as towed" condition: fuel, gear, .....anything aboard when towed. Based on the new weight information, if you are a hard core trailerboater, you may want to look at a heaver trailer. Don't suffer the fate of one of our ex-"contributors," who sought to trailer 1,800 miles (each way) to the water and accomplished little more than smoking the trailer bearings and axles. This was with a trailer tailored to the boat by the manufacturer, too. -- Grady-White Gulfstream, out of Oak Island, NC. Homepage http://pamandgene.idleplay.net/ Rec.boats at Lee Yeaton's Bayguide http://www.thebayguide.com/rec.boats ----------------- www.Newsgroup-Binaries.com - *Completion*Retention*Speed* Access your favorite newsgroups from home or on the road ----------------- |
#9
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posted to rec.boats
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Gene Kearns wrote:
On Wed, 19 Sep 2007 09:14:38 -0400, Larry Crowe penned the following well considered thoughts to the readers of rec.boats: Interesting that this topic came up as I'm preparing to trailer this weekend. I recently had new tires installed on the trailer after having a blowout and noticed last night that the weight capacity listed on the tire was 1760 lbs. I have a 1996 Glastron with a 3.0 volvo penta and a quick google search lists similar newer models as having a dry weight of 2315lbs w/3.0. Is the tire not rated properly for my capacity ? I do recall that they are 15" tires. Thanks Larry At 1760 lbs. you probably have 6 ply rating 14" tires. This looks a little light to me, if you have a 2315# boat + fuel and other "stuff" that is carried aboard + the weight of the trailer. Two tires at 1760# each gives you a load rating of 3520#, which is probably your axle capacity (3500#), if you have 5 lug wheels. Ditto the above drill when you go to buy springs... there usually is an agreement in spring capacity, tire capacity, wheel capacity, and axle capacity. So.... I suspect you are at the extreme upper limit of capacity for your trailer's individual components and the trailer as a whole...... I would suggest weighing the trailer in an "as towed" condition: fuel, gear, .....anything aboard when towed. Based on the new weight information, if you are a hard core trailerboater, you may want to look at a heaver trailer. Don't suffer the fate of one of our ex-"contributors," who sought to trailer 1,800 miles (each way) to the water and accomplished little more than smoking the trailer bearings and axles. This was with a trailer tailored to the boat by the manufacturer, too. Once you get near the "right size" trailer for your rig, there's very little extra expense involved, typically, in buying a trailer with a bit more capacity. Loadmaster used to make a 5200# gross capacity trailer for a boat like mine, but phased it out this summer in favor of a 6000# gross capacity trailer. The price difference? $80. Always remember the "gross capacity" includes the weight of the empty trailer. |
#10
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On Thu, 20 Sep 2007 09:17:07 -0400, Gene Kearns
wrote: Don't suffer the fate of one of our ex-"contributors," who sought to trailer 1,800 miles (each way) to the water and accomplished little more than smoking the trailer bearings and axles. This was with a trailer tailored to the boat by the manufacturer, too. ======================================== But the manufacturer was (dare I say the word) Baaaaaaleaner, was it not? |
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Trailer Tire Air | General | |||
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