Flying My Nacra 5.0 :: Catamaran Sailboats at TheBeachcats.com

Flying My Nacra 5.0

leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: May 15, 2017 - 11:58 PM

Finally broke down and bought an action cam for my boat. This is my first attempt at shooting and editing. The prototype mount is a little jiggly at times, but most of the footage is pretty clear. Thought some of you might get a kick out of this. Yes, I know I need more downhaul, but.........

https://www.youtube.com/watch?v=zRrffHkEPwg

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: Dec 04, 2024

Posts: 7090
Posted: May 16, 2017 - 09:32 AM

what type of gimble (mount) are you using?
what kind of camera?
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: May 16, 2017 - 11:00 AM

I designed and fabricated my own mount which I plan to further refine as this was it's debut. The camera is a Garmin VIRB. I'll post some pics later.

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: Dec 04, 2024

Posts: 7090
Posted: May 16, 2017 - 11:09 AM

cool - nice camera
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: May 17, 2017 - 09:00 AM

Pics as promised. Basically, 1-1/4" X 1/8" aluminum stock and a cable clamp from Home Depot:

It's mounted to the forestay and bent near the bottom to bring the camera's position up to level. The gimble is just a shoulder bolt with a few nylon washers and a spring. At the top it's mounted with a 1/4" bolt through the bottom hole in the forestay adjuster. Note that this was a first attempt and needs some tweeking to improve shake and swing overshoot/return.

Enjoy

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
tradisrad

Rank: Lubber

Registered: Jun 08, 2014

Last visit: May 15, 2020

Posts: 57
Posted: Jun 10, 2017 - 05:04 PM

I bought the dive case for my Virb after the first one got water in it and it stopped working. I'd also recommend tying a lanyard to the camera. I don't trust the mount.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Jun 11, 2017 - 11:03 AM

tradisradI bought the dive case for my Virb after the first one got water in it and it stopped working. I'd also recommend tying a lanyard to the camera. I don't trust the mount.

Thanks for the tips tradisrad. Garmin claims the camera is rated to IPX7 for water rating:

Splashes
Rain or Snow
Showering
Incidental exposure to water of up to 1 meter for up to 30 minutes

So, yes it is marginal for a nice long turtle. We have several folks with them in my local club who have dunked and splashed them, had them rained on pretty much to the limits of the rating without failure so far. A tip one long time local user gave me was to carry a double seal zip lock bag within arms length when sailing in likely capsize conditions and if possible quickly detach a and stow the camera inside in the event of a capsize. My other thought is that these cameras are so inexpensive now (< $60 used on ebay) just use to failure then replace.

On the lanyard comment, absolutely. I risk it without one the first time, but intend to use one in the future.

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 04, 2017 - 07:31 AM

Hi leeboweffect, thanks for directing me to this thread. I'm making my own mount, what do you think?
https://vimeo.com/232271161

I sanded the plastic to loosen the connection, I can sand more but probably some minimum friction is good.
What kind of adjustment did you have t do? I can also make the post longer, it would be more exposed so hopefully not.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Sep 04, 2017 - 12:12 PM

andinista I'm making my own mount, what do you think?

Looks good and that's the simple principle just a free swinging pendulum. As you can see mine is damped with a spring so as to provide a constant force, but the way you have made it will work fine. The biggest challenge is how and where you mount it to the boat. In my case I get a lot of vibration that I didn't anticipate. Folks who use a pole from the dolphin striker up to the bridle Y get great low vibration results. I chose to not use the pole only because I didn't like it being in the center of the video's frame as a distraction.

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 04, 2017 - 12:43 PM

Thanks! I have a bow foil (n5.5), I currently mount the camera on it, I'll try below now.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Sep 04, 2017 - 08:44 PM

AndinistaI'll try below now.

Great! I look forward to seeing some footage from your boat!

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 05, 2017 - 07:21 AM

I'm planning to sail in a couple weeks, hope weather doesn't say otherwise, it's still winter here in Chile

Edited by Andinista on Sep 05, 2017 - 07:22 AM.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Sep 05, 2017 - 10:35 PM

Andinistait's still winter here in Chile

Well, winter is coming here in NC, but we're usually pretty comfy up through the first week of November and that's when I put my boat up till the following April. So, I've got about two months left to attempt more videos.

BTW where do you sail in Chile?

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
nohuhu

Rank: Mate

Registered: Sep 16, 2016

Last visit: Sep 10, 2021

Posts: 274
Posted: Sep 05, 2017 - 11:37 PM

andinista, are you saying that the go pro locking screws stay tight in this modification? They will not shake loose?

I tried loosening the stock nuts/bolts to achieve pendulums on the X and Z axis. but they will back out when things started getting hairy. I tried rubber banding them in place but that's not the answer either.

Using longer bolts with a locknut would be the way to go... have't got around to that yet.

--
Prindle 18
96734
--
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 06, 2017 - 07:44 AM

leeboweffect
Andinistait's still winter here in Chile

Well, winter is coming here in NC, but we're usually pretty comfy up through the first week of November and that's when I put my boat up till the following April. So, I've got about two months left to attempt more videos.

BTW where do you sail in Chile?

I store the boat in Concepcion for the winter, that's 500 km south from Santiago where I live (with no room to store it with me..). Near Concepcion I often sail at a beach called Dichato that is perfect for sailing, big enough bay open to wind but no waves (if you miss them they are further out too). During spring and summer I take it to lake Rapel and leave it mast up at a marina. Then I usually go for vacations at a lake in the south and leave it at my in laws again

Edited by Andinista on Sep 06, 2017 - 08:06 AM.
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 06, 2017 - 07:52 AM

About the mount, I don't trust the nut will stay there, I was thinking either double nuts or a pin with ring. The latter is not adjustable but faster to set up and safer. My main concern is how exposed it will be under the bow foil. I had a tell-o-cat mounted on it that I kept breaking when passing under. I guess I'll put it on one side and create the discipline to circulate through the other

Edited by Andinista on Sep 06, 2017 - 07:55 AM.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Sep 06, 2017 - 10:01 AM

nohuhuandinista, are you saying that the go pro locking screws stay tight in this modification? They will not shake loose?

I suggest the use of Nylock nuts (Nylock is a brand name although there are other brands and some folks call them jam nuts). They are used extensively on aircraft and will prevent backing off and/or loosening plus you can reuse them many times (not on aircraft !@#$#@!).

I get mine either from the home stores or here:

https://www.boltdepot.com/

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--
Andinista

Rank: Mate

Registered: Aug 18, 2003

Last visit: Dec 13, 2023

Posts: 880
Posted: Sep 06, 2017 - 11:26 AM

Thanks, I'll try that.
leeboweffect

Rank: Mate

Registered: Apr 22, 2015

Last visit: May 21, 2023

Posts: 484
Posted: Sep 06, 2017 - 06:22 PM

AndinistaNear Concepcion I often sail at a beach called Dichato that is perfect for sailing, big enough bay open to wind but no waves (if you miss them they are further out too).

https://vimeo.com/207973376

Great video and sailing action. Also nice looking boat and beach/sailing area. I really like that type of area with a relatively steady breeze, but without the large waves, chop and rollers.

--
Hobie 16 (3 formerly)
MacGregor 25 (formerly)
Chrysler Dagger 14 (formerly)
NACRA 5.0 (currently)
High Point, NC
--