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I don't see the benefit to triples especially if you have to back your trailer around sharp corners. Watch how much your wheels flex on a tandem trailers when backing up. Triples just add more friction and make it harder to turn, which means more side load on bearings. We don't sell triples, so don't have anecdotal proof, but at Boatmate factory training they recommended jacking up triples and checking for endplay everytime a triple is in your bay. Seems like even they think that the extra friction is something to worry about in relation to bearing service. Would be interesting to hear the argument for why a triple would tow better...Less maneuverable, shorter bearing life, more money in tires, and god forbid you barely graze a curb, oh ya and the thing that just carries your boat to the lake now costs more, but to each their own. Would certainly rather buy a board than another set of 18s and rubbers if I didn't have to.
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Originally posted by freeheel4life View PostI don't see the benefit to triples especially if you have to back your trailer around sharp corners. Watch how much your wheels flex on a tandem trailers when backing up. Triples just add more friction and make it harder to turn, which means more side load on bearings. We don't sell triples, so don't have anecdotal proof, but at Boatmate factory training they recommended jacking up triples and checking for endplay everytime a triple is in your bay. Seems like even they think that the extra friction is something to worry about in relation to bearing service. Would be interesting to hear the argument for why a triple would tow better...Less maneuverable, shorter bearing life, more money in tires, and god forbid you barely graze a curb, oh ya and the thing that just carries your boat to the lake now costs more, but to each their own. Would certainly rather buy a board than another set of 18s and rubbers if I didn't have to.
Then boatmate steps up to a 6 lug hub/wheel that has a GVW of 8400, but a load capacity of only 6900. Once fueled that doesn't leave a lot of room for gear. On the other hand, Boatmate offers a 3 axle with the smaller hub/wheel assembly that can only hold a load of 6600 (I'm wondering if that's a typo?).
Boatmate does make the XL version of the 2 axle trailer that has a GVW of 10000, but from what I can see it is offered with the larger 6 lug hub/wheels.
Bottomline, make sure your RZX trailer is rated for 10000 in any configuration, and be very wary of an RZX trailer with 2 axles and 5 lug wheels, regardless of what the GVW tag says.
Of all the boats I've looked at in the last two years it's clear to me that dealers sometimes put boats on trailers that they shouldn't. Saw one where the back 3 feet of the boat was hanging off the trailer!Last edited by UNSTUCK; 03-13-2018, 02:01 PM.
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Yeah...these boats are no joke heavy. I touched a curb last spring and trashed my torsion axle alignment and that was with a Z3 that is 1500 pounds lighter. My Z3 trailer combo comes in around 6200-6500 depending. I'd say you are probably fine with the 8400 GVW 6 lug hub assuming you don't roll with 500 pounds of lead in your boat.
The good news is that torsion axles on these boatmates are ridiculously easy to change out in the parking lot with the boat off the trailer.
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Originally posted by UNSTUCK View PostThis may not be 100% accurate, but from what I can tell it is, so please correct me if I'm wrong. I see a lot of 2 axle RZX trailers running 5 lug wheels/hubs. From what I can tell the max GVW on a Boatmate running this set up is 7000. The boat weighs 6000 empty and the trailer weighs 1400. It's overloaded from the get go.
Then boatmate steps up to a 6 lug hub/wheel that has a GVW of 8400, but a load capacity of only 6900. Once fueled that doesn't leave a lot of room for gear. On the other hand, Boatmate offers a 3 axle with the smaller hub/wheel assembly that can only hold a load of 6600 (I'm wondering if that's a typo?).
Boatmate does make the XL version of the 2 axle trailer that has a GVW of 10000, but from what I can see it is offered with the larger 6 lug hub/wheels.
Bottomline, make sure your RZX trailer is rated for 10000 in any configuration, and be very wary of an RZX trailer with 2 axles and 5 lug wheels, regardless of what the GVW tag says.
Of all the boats I've looked at in the last two years it's clear to me that dealers sometimes put boats on trailers that they shouldn't. Saw one where the back 3 feet of the boat was hanging off the trailer!
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Tripples tow straighter. Ive had both, towed both religiously. The numbers just dont tell the whole story. You get an Rzx loaded and get that thing to speed, thow in a sprinkle of wind and on a double that thing can get all over the road. The extra set of wheels on the ground for make that setup straight as an arrow and a dart on the highway.Germaine Marine
"A proud dealer of Tige, Supra, Moomba and ATX performance boats"
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Originally posted by freeheel4life View PostWe've got 3 big boats in all with tandem 5 lugs on torsion. All 3 have 8175lbs listed as GVWR. So ya, boat as specd is a match for trailer. Sure doesn t leave much room for gear tho.
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Unstuck,
I'm lost. Are the metaphorical tire blowouts due to load rating not being high enough on tires or GVWR being exceeded??
Here's the data plate for the setup I mentioned. Per your math 6000# boat+1400# trailer+403# of fuel. Comes in under 8175#. Like I said, doesn't leave much payload for gear in the boat.
I get it though. Your RZX3 is going on a triple. Either way, Tige gives their numbers to Boatmate, they build the trailer to their specs, that their in house engineers come up with. Not going to feel liable or responsible for a setup that is within GVWR, per the 2 OEMs
Do feel bad when I watch a whole family pile into a Denali and hook up to that boat. On the edge of vehicle tow capacity, but definitely over vehicle payload when you take tongue weight and add it to vehicle occupants plus gear in the vehicle. Certainly makes me worried, but that's the choice owners make. Really most 1/2 tons are even on the edge for payload(when talking boats of this size), especially when you start throwing bikes, tents, chairs, etc in the bed, but most dont look or care what their payload rating is.
Not trying to play whos right or wrong. Just out of curiosity have you scaled the Tomcat??Attached FilesLast edited by freeheel4life; 03-14-2018, 05:56 AM.
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