Trailer sugestions ..how much tongue weight is too much??
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Trailer sugestions ..how much tongue weight is too much??

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    Senior Member H20MOFO's Avatar
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    Default Trailer sugestions ..how much tongue weight is too much??

    What is a good ratio to shoot for here? Mine has to be close to 300-400 lbs. To make it worse I have a home made remove the tongue deal. I'm buying some new axle's in the morning wondering if anyone had any tricks up there sleeve for me. Maybe put a 2" block between the back spring and the axle to put more weight on the front one??? I dunno.. I figure if I'm ever going to fix this it's now or never.
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    Senior Member moneysucker's Avatar
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    Quote Originally Posted by H20MOFO View Post
    What is a good ratio to shoot for here? Mine has to be close to 300-400 lbs. To make it worse I have a home made remove the tongue deal. I'm buying some new axle's in the morning wondering if anyone had any tricks up there sleeve for me. Maybe put a 2" block between the back spring and the axle to put more weight on the front one??? I dunno.. I figure if I'm ever going to fix this it's now or never.
    I would say try moving the boat back on the trailer and see if 6" helps. I have heard 20% of the weight is supposed to be on the tongue. on Money$ucker, I pick up the trailer tongue by hand maybe 50-75 lbs. when it is let loose the tongue actually floats in the air. it pulls great. My open bow is a pig and has a ton of weight on the tongue and I want to move it back and get it a little more balanced but if there is too much weight on the back the trailer will whip. Unless you are planning to move the hangers you are pretty stuck with what you have. The block under the back axle will transfer more weight to the tongue.
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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by moneysucker View Post
    I would say try moving the boat back on the trailer and see if 6" helps. I have heard 20% of the weight is supposed to be on the tongue. on Money$ucker, I pick up the trailer tongue by hand maybe 50-75 lbs. when it is let loose the tongue actually floats in the air. it pulls great. My open bow is a pig and has a ton of weight on the tongue and I want to move it back and get it a little more balanced but if there is too much weight on the back the trailer will whip. Unless you are planning to move the hangers you are pretty stuck with what you have. The block under the back axle will transfer more weight to the tongue.
    Thanks Cy.. as far as the block thing right now, the axle's are on top of the leaf spring. Currently I have square 2" axle's, and I can get 2.5" round one's for 105.00 the square ones are twice that(with bearings hubs ect). I was planing on hanging the axle's on top like they are now. I could slide the boat back and I have, but something about hitting the brakes messes that up I may have to modify my trailer. I'm open for suggestions. Edit: maybe a 2" drop on the front axle instead of blocks?
    Last edited by H20MOFO; 08-25-2009 at 07:57 PM.
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    Senior Member GT Jets's Avatar
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    I had air bags on our old trailer, only on the rear axle, it was cool because you could "adjust" the tongue weight..
    If memory serves they were air bags from a Lincoln Town car from a wrecking yard...$15 worth of air shock fittings and we were rollin phat...

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    Senior Member moneysucker's Avatar
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    the air shocks are not a 1/2 bad idea. I use helper shocks from a 77 chevy (I think is the year) on my golf cart rear and you would be able to mount them to the springs and adjust the bearing of each axle by adding air. F-bomb on the boards may remember what they are. (Napa part)
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    Member Arch Stanton's Avatar
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    i think the rules for tongue weight are a minimum of 10% and max of 20% of total trailer weight if you drive 55 or less the min is not that big of a deal but if you want to be stable while running 75 plus 15% or so is good

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    Senior Member propless's Avatar
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    Kreg, I think Cy might be on to something (slide the boat back). Your boat might be sitting on the trailer where it balanced right when it still had the OB hanging off the back. Where is the transom compaired the back of the bunks ? Mine has about 6" of bunk showing behind the transom (with the OB) and balances fairly nice.

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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by Arch Stanton View Post
    i think the rules for tongue weight are a minimum of 10% and max of 20% of total trailer weight if you drive 55 or less the min is not that big of a deal but if you want to be stable while running 75 plus 15% or so is good
    Are we talking 15% of the weight of the boat and trailer? or just trailer. I'm gonna take a wild stab and say the boat and trailer are 1800 lbs???? x 15% = 270 lbs? If thats the case maybe it's isn't as bad as I thought. I could try to put the boat back but the only way it will stay there is if I lengthen the arm that holds the pulley on my winch dealio. Where it is now the bunks are dead even with the transom. I usually run the strap under the pulley(not sure what's correct) and that puts the last 3" or so of the boat with no bunk under it.
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    The standard for the industry is the tongue weight should be 5-10% of the towed load (boat and trailer).

    The typical way to adjust tongue load is to either move the load (boat) forward or back on the trailer or move the axle forward or back.

    If you move the boat, make sure the bunks extend past the transom a little so that you don't cause a hook in the hull.

    Doug

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    21 Daytona Outlaw's Avatar
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    Kreg, is the tongue weight causing you problems?
    on mine I moved it forward 2" to add some tongue weight
    it probably has 200-300 now. when I got it it only had about 100
    and it towed like CHIT especially over 70 mph. now it pulls nice
    and smooth.

    adding blocks to the axle wont change much since it has an equalizer
    between the springs IMO
    #55

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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by Outlaw View Post
    Kreg, is the tongue weight causing you problems?
    on mine I moved it forward 2" to add some tongue weight
    it probably has 200-300 now. when I got it it only had about 100
    and it towed like CHIT especially over 70 mph. now it pulls nice
    and smooth.

    adding blocks to the axle wont change much since it has an equalizer
    between the springs IMO
    Yeh I think your right re: the equalizer thing. If I ever get 2 axles's under it again I'm gonna weigh the tongue weight. I tracks nice and straight, when I go over and overpass or hit a bump like that ,it really squats the ass end of the truck and then wants to bounce back up. Probably my biggest concern is my red neck trailer mod, I bet just the tongue portion(which is 4 ft long) weighs close to 80 lbs.lol

    The tongue is in the background. It has some 3/8" thick chanel on the end of it that slips over the tongue. I hade to weld plates on the top and sides of the tongue to get a nice snug fit.
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    Member 2stroke's Avatar
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    been wondering about that myself. my open bow mini daycruiser is tongue heavy as hell but have had others that would balance themselfs and not need a jack. they both pulled nice at any speed.

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    Large Member edog's Avatar
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    You can try to move the boat around, but you still need some tongue weight. If the tongue gets too light it will cause the trailer to fishtail. I assume you have a tandem axle trailer, which can help stop the fishtailing. Also take a look at your drop hitch on your truck and make sure the trailer is not sitting too low to the front. You can transfer some weight by adjusting the hitch. get the trailer tongue higher-more weight to the back of the trailer and lower-more weight on the truck.

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    Senior Member Widetrack's Avatar
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    H2O, I know this sounds like a lot of work but, move the springs foward hangers and all to get your load stable and tongue weight correct! The trailer was built for the outboard and the jet has moved the weight foward on the trailer! By moving the axles foward it will decrease the weight on the tongue! This is the best way to fix your problem just my .02 good luck! WT

    And yes the bunks have to stay under the transom = no extra hook!!!


    SOMEONE SAID YOU CAN'T TAKE IT WITH YOU! SO,IM BURNING IT UP ONE GALLON AT A TIME!
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