Seen this picture of this Gore.... I bet you would have a hard time knocking your back glass out while turning short with this one....! I believe you could pull this with a 10' flat bed truck. Check out that gooseneck tongue!

Probably custom built by the Gore brothers....

Quote.... "2004 Gore 2-horse straight-load gooseneck trailer with ramp and full escape doors, padded breast bars, butt bars, and feed bags. 7 feet high, suitable for large warmbloods. Dressing room has 2 saddle racks, blanket rack, tacks hooks, carpeted bench/boot box and storage. Floor has rubber mats. This gooseneck was customized to accommodate a shortbed F-150, but can fit any pick-up."

There is no significant difference.  Actually it reduces the hitch weight a bit.  Except for the added weight of the hitch post extender. 

Prove it to yourself.  Get a bar and a scale.  Support one end (trailer wheels).  Then place the scale under any point no closer than midpoint.  Read X weight.  then move the scale for another reading.  You'll see less weight as you move toward the end of the bar (hitch) since more supporting force is being transfered to the fixed point (trailer wheels)

Brain teaser question.  You're in a boat floating in a closed body of water.  You throw an anchor overboard.  Oops... the anchor wasn't tied.  Did the water level rise or fall after you"dropped" anchor?

Quote Hosspuller.... Brain teaser question.  You're in a boat floating in a closed body of water.  You throw an anchor overboard.  Oops... the anchor wasn't tied.  Did the water level rise or fall after you"dropped" anchor?

The boat would rise slightly and the water level would stay the same...

The water level will fall. The anchor will displace more water with it's weight in the boat than it will in the water.

With this trailer, it will not make enough of a difference to sneeze at.

10' bar with fixed support at 1' from rear... as you move the scale further from center, the weight on the scale will decrease. I agree with that. The pictures of this trailer though appear to have the same bed length in the nose, but with an extended hitch. So we would be looking at a 13' bar with the fixed point at 1' from rear. To me that equals more tongue weight. Am I looking at this wrong?

Seems to me, the longer you make the tongue, the heavier it gets.... Longer tongue gives you more leverage, but it sure doesn't make it lighter..... Does it?? Huh? Well?...

It's a trick question. The weight of the anchor won't make a differnce to the total area of the closed body of water. So therefore nothing will happen the water level will not rise nor fall.  

Ding ! Correct ... We have a "deep" thinker among us!    The key point is the anchor's weight is on the bottom.

Ding!  I'm wrong about the trailer tongue.  A uniformly weighted bar gets lighter on a scale the further you move from the fixed support ...  BUT a trailer is not uniformly loaded.  Increasing the tongue length increases the hitch weight by only the added material in the longer tongue.

  That makes perfect sence... Dag, I have led Genebob astray ... 

  Never owned a hole in the water before... Always wanted a "four wheel drive Bass Boat", fish off of it in the summer and hunt off of it in the winter!! LOL!!

 http://www.olive-drab.com/images/id_schwimmwagen_full.jpg

Here is the kicker on this....the loading area remains the same while the tongue extends.

Load area midpoint plus coupler length = x

Coupler to center of axles = y

x/y = percentage of weight carried by trailer

Sooo, let's say the trailer is 18' long and the center of axles are 4' from the rear. And lets assume the neck is 7' long to where the coupler would normally be and it has been extended to 8.5'. I know these aren't exact, but close enough to show how to figure it. 9 + 7 = x and 7 + 14 = y. 16/21 = 76.2% carried by trailer leaving 24% hitch weight. Now the extended... 17.5/22.5 = 77.8% carried by trailer leaving 22.2% hitch weight.

I have to correct myself from yesterday and say I was wrong! Hosspuller and jdzaharia had it right.

You are right on everything you say here, excpet on this trailer, center of gravity is not centered in the bed. And as you move it closer to the axles, it will mess with the tongue weight.

RTSmith... Here's my reasoning:  Pretend the hitch extension is weightless.  A support anywhere along the length of the extension will still have to support the hitch end of the trailer.  Nothing on the trailer or its weight distribution changed so the weight on the support doesn't change. 

In your example, you're changing the trailer's floor length and since the weight is "centered in the bed" you're also changing the position of the weight. 

This doesn't apply when  the support location moves under the trailer body.  Then the support becomes a pivot point removing weight from the wheels.  As the support location moves toward the center of gravity, the weight on the wheels decreases.   When the support location is at the CofG... hitch and wheel weight is ZERO, the trailer is balanced on the support. 

 There is a practical application of this discussion... The POP-UP hitch extender keeps the trailer hitch weight on the hitch.  B+W's hitch extender moves the trailer hitch weight behind the hitch.

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Tresvolte... I changed my remarks to follow you.  I was wrong.  Yesterday you were correct.  Today you're not.  In this example of yours, the calculations assume the center of gravity changes by changing the trailer.  But, we're only changing the hitch tongue.

I'll just have to disagree.  In this discussion we're speaking about Rentento's trailer.  The weight of the tongue extension is insignificant compared to the trailer. The mass of the trailer doesn't change so how could the center of gravity also known as the balance point change significantly?  The trailer will still balance at the same point.

We can agree to disagree. Here's the theory behind it though. Let me know what you think.

Think of it as leverage. You have the same pole that we talked about yesterday. 10' long with a fixed point 2' from the end. At the other end we place a scale. Now we set a 100# weight in the dead center from fixed point to the scale. That is 4' from fixed point and 4' from scale. So we have 50# on the scale and 50# at the fixed point. Do we agree?

Now move that weight toward the fixed point 2'. So now we have 100# on the bar 2' from the fixed point and 6' from the scale. What is the weight on the scale now?

Edited to add: The trailer will still balance at the same point (or close enough). The difference is the mass of the trailer is 18" further from the hitch in the truck.