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Author Topic:   SLEEPY
URDUSTED
Dirt Full Roller

Total posts: 43
posted November 10, 2003 08:03 PM  
Need help, Your article is awesome in circle track about how to build a car trailer. But I need to know how far back to put the axles? I have heard there is a percentage of over all length to the center spring hanger. Is this true? Thanks in advance.

SLEEPY GOMEZ
Dirt Freak

Total posts: 295
posted November 11, 2003 03:32 PM  
If you will send your e-mail address to me at sleepy.gomez@primedia.com I now have a set of rough, crude drawings of the trailer with all dimensions that I can e-mail.

SLEEPY

way2fast72
Dirt Freak

Total posts: 303
posted November 12, 2003 03:12 AM  
URDUSTED, I`ve heard that the correct placement is 60% from the front for the center spring hanger, hope this helps

SLEEPY GOMEZ
Dirt Freak

Total posts: 295
posted November 12, 2003 08:42 AM  
60 % may be okay most of the time, however, the real world number is not always the same. The way a trailer tows at speed is very dependant on its tongue weight. Note here that semis have a tongue weight of 90 %. The more tongue weight you have the better it tows. Problem is that few of us have a tow vehicle that can stand that much weight. So we compromise. On my trailer I found that it took at least 400 pounds of tongue weight, when loaded, for it to tow properly. This meant that a modified with engine set back had to be positioned further forward than a front heavy street stock. The limiting factor on tongue weight is the ability of your tow vehicle to carry it without sagging too far in the rear. The more the better up to that point. SLEEPY

rocket36
Dirt Freak

Total posts: 209
posted November 13, 2003 03:30 AM  
having been an authorised dealer for "haymen reece" (one of the best tow pack manufacturers), there recommendation is a minimum of 10% of your total towed (trailer mass) on your ball with a maximum of 15%.
example: if your towing a trailer/car/equipment that weighs 4400lbs then you would want at least 440lbs of ball weight.
ideally you should aim for 12%.
don't forget that your ball & hitch will have a maximum capacity.
hope that helps.

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