Trailer tongue length?

dvx216

Well-Known Member
GOLD Sponsor
Feb 1, 2012
2,696
Catawaba Island/Orrville,Oh.
Boat Info
340 Sundancer 2001
Engines
8.1s 370 v drv.
The trailer that I had made for my 310Da. is steel construction and as you can see in the picture has a short tongue compared to a lot of trailers on the internet with the same boat.My set up pulled fine so why are some trailers so long.
IMG_20191011_113115673_HDR.jpg
 
I'm guessing that a longer trailer would've pulled even better?

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I like having a long trailer because:

- It makes the boat look smaller than she is - less attention is good...
- It's easier and drier at the launch ramp. The truck stays high and dry on ALL ramps.
- It's very, very stable on the road. It never sways, even when empty.
- Longer trailers are actually easier to maneuver in reverse (less reactionary)

I don't like having a long trailer because:

- Tight/city turns can be stressful
- It can complicate storage
 
typically large steel trailers have a shorter tongue. Large Aluminum trailers tend to be longer. I could be wrong but I would imagine it has to do with the strength of the aluminum vs steel. Here is a pic of my steel trailer.
upload_2019-11-14_9-38-22.png
 
Axle placement has a big impact on trailer tongue length. It's all about properly spreading out the load. If you have the proper tongue weight and it pulls fine, then all is good.
 
- It's easier and drier at the launch ramp. The truck stays high and dry on ALL ramps.

- Longer trailers are actually easier to maneuver in reverse

I agree with this.
 
Keep in mind that unless you build a custom trailer for your specific boat, most trailer builders are trying to get the broadest range of possible boat sizes and shapes for each of their models.

Longer tongue length increases what is called swing radius. The swing radius is more critical with trailers with square fronts like box trailers, so the advantage here would be the ability to haul can, or houseboats.

The obvious, longer tongue length = longer trailer = longer boats that will fit.

Longer tongue and length gives greater flexibility in axle positioning, that in turn dictates weight distribution (axle weight load and tongue load). Again increases the possible spectrum of boats.
 
Our 250DA had a steel trailer with a fairly short tongue length. Our Crownline has an aluminum Venture trailer and the tongue length is quite a bit longer. The LOA on the 250DA was 28' on the trailer while our 250 Crownline is 31'. The swim platform is probably about 8" or so longer so that is some of that extra length.

I have moved the boat forward about 12" from this pic as you can see the back of the boat hangs quite a bit past the end of the aluminum rails. The bunks actually run back to the transom so I had to move the bunks forward.
Crownline
 

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