Quote:
Originally Posted by ennored
Exactly...
My motorhome has a fiberglass rear cap that is already about 14" long. I could take it off, fab up a temporary tail, test it, then make a nice tail by modifying my fiberglass cap. I am limited to adding 24 to 36" though, anything bigger won't fit in my garage. Hence the interest is less than optimum (template) tails.
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I think aerohead and the other experts here will tell you that 36 inches is enough to make a difference, probably even 24 inches. The only way to find out how much of a difference is to build it and see.
Do you tow anything with the RV? I tow with mine a lot so I extended my hitch over three feet, which was a project all by itself. However if your boat tail length is 24 to 36 inches there's several things you can do short of the major construction job I had to do on my hitch. If I remember correctly they had hitch extension kits at the trailer place that would extend the hitch up to 24 inches, and I've seen 36 inch extensions advertised.
If all you do is tow a tow vehicle (with all four tires on the ground) those extension kits should be adequate because all you're doing is leading the car around by the nose, you're not supporting the weight of the front end or the front half of a boat or cargo trailer.
You can also design your boat tail to accommodate a tow vehicle without extending your hitch by making removable panels in the lower half of the tail which you remove when you tow, and/or have movable panels that articulate when you turn (see aerohead's viking thread) etc.
That's putting the cart before the horse to a degree but keep it in the back of your mind when you start designing the tail. And if you do take the plunge and give it a try, my hat's off to you, most people just talk about it. Building mine was a ton of fun and I can't wait to do the rest of the mods. Good luck.