Thanks a bunch Jerry. Do you have a link to a photo of something similar? I
don’t want to have to take off a bunch of stuff just to launch the boat. I
read best to lower the windshield and put on a tight fitting cover for about 7%
improvement.
Have a renewable energy day
Mark
Sent from my iPhone
On May 10, 2021, at 11:51 AM, jerry freedomev <freedo...@yahoo.com> wrote:
Hi Mark and All,
You have several options.
First make a v shaped fairing just large enough to hide the boat behind coming
back to beside the windshield with the trailing part pointing straight aft or
very slightly inward.
Likely need a top again coming back to just above the windshield, lower in
front and all placed with plastic sheet like shower stall sides on a light wood
frame glued with Locktite waterproof PL3. .
In fact needs water to cure and I used it to fix a hole in my dinghy while in
the water being used!!
The trailer wheels need pants or similar fairing, just a lot smaller.
The axle fold over a piece of thin alum sheet most of the way then fit it over
the axle and tape the 2 ends with double sided tape fair it nicely.
Are tires best, lowest resistance, highest pressure? Syn axle bearing lube?
A chloroplast or other sheet for the underside of the trailer.
Are the lights, plate in the airstream?
Wilder options is a larger shape behind it 2.5' long with very rounded front
corners and from widest part gently curving back inward a ' then cut off
sharply.
Another is same size but a U shaped airfoil with the same outside curve of the
larger shape.
And see what weight you can get rid of in the trailer, EV and boat.
This should get about 50% of the lost range back.
Jerry Dycus
On Friday, May 7, 2021, 05:22:44 AM PDT, Mark Hanson via EV <ev@lists.evdl.org>
wrote:
Hi Folks
When I tow my 6x16 H20 ski boat 1480lbs behind the 3600lb Bolt or 4400lb Tesla,
watt-hours doubles and associated range is cut in half
Sent from my iPhone
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