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Posted by stryped on April 22, 2008, 10:18 am
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Been thinking of building a small dual axle trailer. I have available
to be 4x4 =BC inch steel tubing at scrap price.
Anyway, been thinking about simplicity vs strength in terms of tongue
design.
I like the idea of using a straight tongue that goes =93through=94 the
front of the trailer support then has A frame sides that attach (weld)
to the front trailer support. This seems like a strong design.
However, it seems to me it would take me longer and require a fair
amount of precision. (have to cut the ends of the A frame at an angle
to meet the front support, having to cut the front trailer support in
two pieces to meet the center tongue. Then afraid I would not have
everything square in terms of the distance from one side of the tongue
tip to the frame as compared to the other side.
Most trailer designs seem easier, basically, making a =93square=94 for the
trailer frame. Then fabricating an A frame tongue and placing it on
the upside down trailer frame, measure to ensure the tongue is square
with the frame and welding it directly underneath the frame.
However, it seems those welds will be taking all the force and a
person better have extremely good welds. (Which I am practicing but
that worries me).
Anyway, was wondering what your thought were. I was thinking a 6
feetx12feet dual axle.
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Posted by stryped on April 22, 2008, 10:38 am
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> Been thinking of building a small dual axle trailer. I have available
> to be 4x4 =BC inch steel tubing at scrap price.
>
> Anyway, been thinking about simplicity vs strength in terms of tongue
> design.
>
> I like the idea of using a straight tongue that goes =93through=94 the
> front of the trailer support then has A frame sides that attach (weld)
> to the front trailer support. This seems like a strong design.
> However, it seems to me it would take me longer and require a fair
> amount of precision. (have to cut the ends of the A frame at an angle
> to meet the front support, having to cut the front trailer support in
> two pieces to meet the center tongue. Then afraid I would not have
> everything square in terms of the distance from one side of the tongue
> tip to the frame as compared to the other side.
>
> Most trailer designs seem easier, basically, making a =93square=94 for the=
> trailer frame. Then fabricating an A frame tongue and placing it on
> the upside down trailer frame, measure to ensure the tongue is square
> with the frame and welding it directly underneath the frame.
>
> However, it seems those welds will be taking all the force and a
> person better have extremely good welds. (Which I am practicing but
> that worries me).
>
> Anyway, was wondering what your thought were. I was thinking a 6
> feetx12feet dual axle.
One other thing I forgot to mention, with the "through" design would
the tongue be too short to cause the trailer to "ride too high" in the
front end?
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Posted by glyford@gmail.com on April 22, 2008, 12:39 pm
Please log in for more thread options > One other thing I forgot to mention, with the "through" design would
> the tongue be too short to cause the trailer to "ride too high" in the
> front end?
One way to control this is to use a bigger offset "drop" ball-mount in
the truck hitch, so that the final ball height fits the trailer tongue
height better. Another is to build a structure on the front of the
trailer that allows you to mount the coupler higher up (though this
will again need reasonably strong welds). Last but not least, there
are adjustable coupler mounts available, which allow you to move the
coupler up or down as needed.
Look at the channel mount pieces here, for example:
http://www.championtrailers.com/COUPLERS.htm
and then keep poking around their site, they've got a lot of parts and
usefull information.
--Glenn Lyford
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Posted by stryped on April 22, 2008, 1:25 pm
Please log in for more thread options > > One other thing I forgot to mention, with the "through" design would
> > the tongue be too short to cause the trailer to "ride too high" in the
> > front end?
>
> One way to control this is to use a bigger offset "drop" ball-mount in
> the truck hitch, so that the final ball height fits the trailer tongue
> height better. =A0Another is to build a structure on the front of the
> trailer that allows you to mount the coupler higher up (though this
> will again need reasonably strong welds). =A0Last but not least, there
> are adjustable coupler mounts available, which allow you to move the
> coupler up or down as needed.
>
> Look at the channel mount pieces here, for example:http://www.championtrai=
lers.com/COUPLERS.htm
> and then keep poking around their site, they've got a lot of parts and
> usefull information.
>
> =A0 --Glenn Lyford
What do you think of the "through" design vs "bottom" design?
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Posted by Phil on April 23, 2008, 4:22 am
Please log in for more thread options >
>
>
>
>
> > > One other thing I forgot to mention, with the "through" design would
> > > the tongue be too short to cause the trailer to "ride too high" in the=
> > > front end?
>
> > One way to control this is to use a bigger offset "drop" ball-mount in
> > the truck hitch, so that the final ball height fits the trailer tongue
> > height better. =A0Another is to build a structure on the front of the
> > trailer that allows you to mount the coupler higher up (though this
> > will again need reasonably strong welds). =A0Last but not least, there
> > are adjustable coupler mounts available, which allow you to move the
> > coupler up or down as needed.
>
> > Look at the channel mount pieces here, for example:http://www.championtr=
ailers.com/COUPLERS.htm
> > and then keep poking around their site, they've got a lot of parts and
> > usefull information.
>
> > =A0 --Glenn Lyford
>
> What do you think of the "through" design vs "bottom" design?- Hide quoted=
text -
>
> - Show quoted text -
If you have to ask, I'm worried.
For a novice, go with the 'bottom' design as it involves less cutting,
and securely bolt & then weld. Only when you can weld.
Phil.
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> to be 4x4 =BC inch steel tubing at scrap price.
>
> Anyway, been thinking about simplicity vs strength in terms of tongue
> design.
>
> I like the idea of using a straight tongue that goes =93through=94 the
> front of the trailer support then has A frame sides that attach (weld)
> to the front trailer support. This seems like a strong design.
> However, it seems to me it would take me longer and require a fair
> amount of precision. (have to cut the ends of the A frame at an angle
> to meet the front support, having to cut the front trailer support in
> two pieces to meet the center tongue. Then afraid I would not have
> everything square in terms of the distance from one side of the tongue
> tip to the frame as compared to the other side.
>
> Most trailer designs seem easier, basically, making a =93square=94 for the=