AD 14 KIELGE

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ks8
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Re: AD 14 KIELGE

Post by ks8 » Wed Apr 18, 2018 8:56 pm

I did something like that fitting my boat and custom made bunks to the trailer, but it would be too long to detail here. I was fortunate. The final solution and fitting was barely enough to get the boat to launch at most ramps, but enough. whew! Some shallow descent ramps require a push off to launch and some cranking to get her back on the trailer, but most ramps are just enough to float her off. And that is my thought for you.... that the final bunk position will be low enough in the water at most ramps so that the boat will float off and away easily. It was a detail that I did not think through as well as I should have, but I was fortunate. If I had not had the custom trailer made with a vee in the cross members, and the extra long tongue, it would have been quite an embarassment on splashday with the new trailer, I was planning to use the same trailer in the future for a VG18, but life is throwing plenty of curve balls lately. I'll enjoy the CV16 for now. But that long tongue also helps get the trailer down the ramp far enough to help float the boat off, at most ramps. Of course the nice steep ramps make launching very easy, as long as they keep the ramp clean so the wheels do not spin when hauling her out. Overall, the work and thought put into the trailer and bunks will be appreciated at every launch. :wink:

My pictures of the trailer are not nearly as thorough as other parts of the boat build, but here is the gallery.



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gonandkarl
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Re: AD 14 KIELGE

Post by gonandkarl » Thu Apr 19, 2018 2:35 am

Hi,
Thanks George for the pictures of the floor and KS8 for the trailer pictures. I realized that through the curve of the trailer bunks its angle support needs to have a wedge to be horizontal for the support struts. It looks like you made them out of aluminium. Is that so ?
I will definitely use angle profiles on the bunks and U-profiles for the support struts like you showed me in your trailer gallery.
Greetings from Karl
All pictures of Micro Petrel AD14 and FS13 :

http://gallery.bateau2.com/index.php?cat=87433

das boot
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Re: AD 14 KIELGE

Post by das boot » Thu Apr 19, 2018 10:24 am

On setting the bunks on my trailer i kind of alined then but leaving all adjustments loose then set the boat on the trailer and let the boat settel in place only then did i tighten all the boots this worked well for me,

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ks8
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Re: AD 14 KIELGE

Post by ks8 » Thu Apr 19, 2018 1:34 pm

I used the typical available hardware used for mounting bunks, purchased at the local marine store -- the galvanized steel uprights and the 90 degree mounting angles and galvanized bolts, washers and nuts. I did not make anything metal myself. The only thing I 'made' were the custom shaped bunks themselves (the shape locked in by making them of tortured three layer laminates as in the photos -- simple but time consuming), the large keel/skeg 'pad', and the various props and supports needed while I fit the bunks to the boat and the trailer for attachment. Of course, I had the trailer manufactured to a sketch and measurements I had provided (I couldn't find them quickly now if I tried), so that I would get a trailer that had the vee in the lateral crossmembers, and the crossmembers were positioned very close to where the frames in the boat are located. The vee was necessary (for me) to allow for the keel/skeg pad to mount low, without having the boat sit way too high on the trailer. It never would have worked out if the crossmembers had been straight. I had first 'shopped' at a marina yard looking at the various WESCO trailers there with boats on them already. That is where I saw the option for the Vee crossmembers on some of the trailers. I figured since they manufacture the trailers themselves, a slight repositioning of their welding jig should easily accomodate my measurements so that the bunk mounts would be directly under the frames in the boat. After contacting them, this was indeed the case and they said it would be no trouble at all. (This was inspired by a fellow CV16 builder (Leon I think) who had a roller bunk break through his hull while trailering -- it was not positioned under the structural frame of his hull). My trailer manufacturer was about 400 miles away, but they made regular deliveries to a dealership only 50 miles away. What a pleasurable difference from the first company that couldn't give me a commitment after a year. The only problem was that one of the hub grease seals was very leaky, but they swapped that out for free within a week and I was good to go. btw -- in case I ever trailer my CV16 on a roller bunk trailer with roller spacing beyond my control, I added a laminate under the seats to hopefully prevent what Leon experienced (you can see it in this picture laminated to the hull bottom panel, extending to just short of the cuddy frame). :wink: Just another extra ten pounds to my boat.... and another... and another.... :lol: 8O But she is tough, and a few unexpected incidents proved it!


Understandably, adapting a used trailer will require a little more creativity, but should be a minor project compared to having built that beautiful boat. :D

Well what do you know! I found the sketch attached to the 2010 email that I had not yet deleted! Note to any current NC or SC builders.... the contact info on that sketch is outdated. The company has changed since 2010. If they still make trailers, you will need to research the current state of the company and their products.

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gonandkarl
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Re: AD 14 KIELGE

Post by gonandkarl » Fri Apr 20, 2018 3:50 am

Hi Ks8,
Thank you for the extensive way you described the trailer adaptation. I am also scared to use rollers and therefore I built the same as you 2 bunks laminated and shaped while the boat was upside down. I have now quite a bit of theoretical knowhow and now I start the practical side. First I want to find out the centre of gravity of the boat to know where the axle of the trailer has to be. I will put the keel on twin wheels and move it fore and aft until it balances on these wheels. Naturally I will put straps on both sides to hold the boat upright. This is my plan for today.
Greetings from Karl
All pictures of Micro Petrel AD14 and FS13 :

http://gallery.bateau2.com/index.php?cat=87433

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ks8
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Re: AD 14 KIELGE

Post by ks8 » Fri Apr 20, 2018 10:27 am

Happy balancing :)

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gonandkarl
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Re: AD 14 KIELGE

Post by gonandkarl » Thu Apr 26, 2018 2:44 pm

Hi,
Before I can balance the boat any further I mounted a new steel cross beam for my boat building shed that will not bend under the weight of the boat.

Image

And I removed the three doors of my shed so the place is ready to move the boat out soon.

Image

Tomorrow I will balance my boat again to find the centre of gravity and I will put the cabin roof the wash boards and the rudder on to the boat to have it exactly as I want to tow it.

Greetings from Karl
All pictures of Micro Petrel AD14 and FS13 :

http://gallery.bateau2.com/index.php?cat=87433

Bogieman
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Re: AD 14 KIELGE

Post by Bogieman » Thu Apr 26, 2018 3:16 pm

Very nice Karl! Can't wait to see pics of you sailing her.

Jeff
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Re: AD 14 KIELGE

Post by Jeff » Thu Apr 26, 2018 4:47 pm

Nice work Karl!!! Jeff

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OrangeQuest
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Re: AD 14 KIELGE

Post by OrangeQuest » Thu Apr 26, 2018 5:52 pm

Good luck on the move!!

If you going to keep using that cross beam maybe consider STEEL clamps to mount the hoist on! You scaring me!! 8O

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