Catalina 34

General Activities => Main Message Board => Topic started by: LogoFreak on October 28, 2021, 07:22:12 PM

Title: Custom bowsprit
Post by: LogoFreak on October 28, 2021, 07:22:12 PM
Iíve been working on this little project for several weeks, pretty happy with the design but still consulting with the fabricator Iím working with. Building the bowsprit for my new gennaker and possibly a code 0 down the road, I already have the Harken Reflex furler and the sail should be here in a couple of months. Thereís a few elements that arenít pictured in the design but Iíll update once I get some more work done. Iíll be using 316 stainless to the construction.

Feedback is welcome!
Title: Re: Custom bowsprit
Post by: waughoo on October 28, 2021, 08:01:10 PM
I dig it!!
Title: Re: Custom bowsprit
Post by: Stu Jackson on October 28, 2021, 08:27:26 PM
Bobstay?
Title: Re: Custom bowsprit
Post by: LogoFreak on October 28, 2021, 09:50:52 PM
Thereís provisions already for me to run a bob stay if I need it, I donít actually think Iíll need on based on the design of the bowsprit itself. It only extends 20Ē past the bow of the boat and thereís a ton of reinforcements in multiple directions. I installed a U-bolt about 4Ē above the waterline when I was on the hard last winter season in anticipation of this project so I can always run a dyneema bob stay.
Title: Re: Custom bowsprit
Post by: glennd3 on October 29, 2021, 08:35:06 AM
"ramming speed"!
Title: Re: Custom bowsprit
Post by: Noah on October 29, 2021, 08:46:03 AM
I would suggest you make a foam or wood template, to size, and fit it to the boatóto make sure you have a fair lead to your windlass, at the correct angle(s). Also make sure you have enough clearance aloft on between your spinnaker crane and genoa furler, so you donít have any issues with furling your gennaker with your top-down system. I had some issues to address with my Selden Gx furler (on a removable sprit/pole), interfering with my Profurl wrap-stop device.
Title: Re: Custom bowsprit
Post by: Jon W on October 29, 2021, 05:53:14 PM
Will there be any holes or openings in the horizontal surface besides the anchor roller?

How does this work with the stemhead fitting?
Title: Re: Custom bowsprit
Post by: waughoo on October 29, 2021, 11:51:26 PM
I believe this replaces the stem fitting entirely, but not for certain. 
Title: Re: Custom bowsprit
Post by: LogoFreak on October 30, 2021, 03:54:48 AM
Alex is correct, the original stemhead is replaced with the new bowsprit. You can kinda see it in the view from underneath, it is just not finished in the model, I need to measure the original on so that I can properly represent it in this model. The original stemhead had a crack in it, similar to the ones that are in pictures on Catalina directís website.

Also at the forward end of the bowsprit there will be a single SS loop for attaching the tack line, my reflex furler was ordered with a 2:1 attachment for adjusting the tack height.
Title: Re: Custom bowsprit
Post by: glennd3 on October 30, 2021, 12:21:54 PM
I just really read this thread. I did not understand what you were up to. Now I do and what a great idea! I did not know that they made a furler for a spinnaker. It seems like a great idea. If someone else has one already rigged with original bowsprit I would love to see some pictures. Logo you do very nice work, love following your threads. 
Title: Re: Custom bowsprit
Post by: Noah on October 30, 2021, 01:20:55 PM
Glenn- this is what I have and a few others on this Forum and C36 Forum. I have still a ďkink or twoĒ to work out before I can give an honest report. I have only flown it at the dock so far :?

https://youtu.be/WQ_3VU3RlEU
Title: Re: Custom bowsprit
Post by: Jon W on October 30, 2021, 01:22:53 PM
I saw that but wasnít sure if it was welded to the bow sprit or it passed thru it. Itís welded then?

No holes in the horizontal surface?
Title: Re: Custom bowsprit
Post by: Catalina007 on October 31, 2021, 06:06:12 AM
Thereís provisions already for me to run a bob stay if I need it, I donít actually think Iíll need on based on the design of the bowsprit itself. It only extends 20Ē past the bow of the boat and thereís a ton of reinforcements in multiple directions. I installed a U-bolt about 4Ē above the waterline when I was on the hard last winter season in anticipation of this project so I can always run a dyneema bob stay.

A Code Zero requires a very stiff luff with lots of tension and a very big load on the halyard/sprit.  It would be wise to have a bobstay 
Title: Re: Custom bowsprit
Post by: LogoFreak on October 31, 2021, 09:06:23 AM
I just really read this thread. I did not understand what you were up to. Now I do and what a great idea! I did not know that they made a furler for a spinnaker. It seems like a great idea. If someone else has one already rigged with original bowsprit I would love to see some pictures. Logo you do very nice work, love following your threads.

Thanks Glenn  :thumb:
Title: Re: Custom bowsprit
Post by: LogoFreak on October 31, 2021, 09:07:38 AM
Thereís provisions already for me to run a bob stay if I need it, I donít actually think Iíll need on based on the design of the bowsprit itself. It only extends 20Ē past the bow of the boat and thereís a ton of reinforcements in multiple directions. I installed a U-bolt about 4Ē above the waterline when I was on the hard last winter season in anticipation of this project so I can always run a dyneema bob stay.

A Code Zero requires a very stiff luff with lots of tension and a very big load on the halyard/sprit.  It would be wise to have a bobstay

If and when I get a code 0 then everything is in place for me to run a bobstay.
Title: Re: Custom bowsprit
Post by: LogoFreak on November 23, 2021, 07:58:13 PM
First few pieces back from forming. Slow progress but in the right direction! Top plate and new stem  :clap
Title: Re: Custom bowsprit
Post by: waughoo on November 23, 2021, 09:41:47 PM
Ohhhhhh yeah!!! Dig it!
Title: Re: Custom bowsprit
Post by: Stu Jackson on November 24, 2021, 01:32:07 PM
Nice work, thx for keeping us posted.
Title: Re: Custom bowsprit
Post by: LogoFreak on November 25, 2021, 07:30:47 PM
Thank you! Although I wonít take the credit as Iím not the one doing the fabricating. Even though I have my fair share of input towards the project it is a very talented fabricator doing the work for me. I will keep updating you guys as more pieces get added.
Title: Re: Custom bowsprit
Post by: Roc on November 26, 2021, 12:36:08 PM
Here is the "bowsprit" I made for my top down furler.  I did put a bobstay.  Called CY and spoke to Jim McNamara.  Sent him the drawings and he said it looked like it would be acceptable.  I've cranked the furler torsion line bar tight, which you need to do in order to have it furl correctly. I have a Bamar EVO product.
Title: Re: Custom bowsprit
Post by: LogoFreak on November 27, 2021, 07:30:25 AM
How does it clear your pullpit? Or does it fly ďinsideĒ it?
Title: Re: Custom bowsprit
Post by: LogoFreak on December 03, 2021, 08:18:23 AM
Weird, I could have sworn I posted yesterday lol
Title: Re: Custom bowsprit
Post by: Stu Jackson on December 05, 2021, 08:41:51 AM
Weird, I could have sworn I posted yesterday lol

Happened to me, too, on the backstay thread.
Title: Re: Custom bowsprit
Post by: Roc on December 05, 2021, 04:40:11 PM
How does it clear your pullpit? Or does it fly ďinsideĒ it?

It flies inside the bow pulpit.
Title: Re: Custom bowsprit
Post by: LogoFreak on December 13, 2021, 10:16:25 PM
A few update pics.
Title: Re: Custom bowsprit
Post by: LogoFreak on December 19, 2021, 07:15:22 PM
Couple of extra steps got done today.
Title: Re: Custom bowsprit
Post by: LogoFreak on January 09, 2022, 04:02:11 PM
Successful test fit today after the side plates got fully welded to the top plate, stem fitting also got test fitted and I couldnít resist to put my forestay on just to see it. Fingers crossed another 3 to 4 weeks till final install!
Title: Re: Custom bowsprit
Post by: waughoo on January 09, 2022, 07:50:20 PM
Looking forward to seeing it final installed.  It is looking very good man!!
Title: Re: Custom bowsprit
Post by: LogoFreak on January 30, 2022, 09:22:52 AM
Getting closer  :clap
Title: Re: Custom bowsprit
Post by: mark_53 on January 30, 2022, 10:08:08 AM
You'll need to back the boat up another 3' or so.  Will your slip rate go up?
Title: Re: Custom bowsprit
Post by: LogoFreak on January 30, 2022, 10:44:11 AM
Oh for sure, kinda hard to stand on water when doing a test fit  :D
Overall length only went up by a foot believe it or not. From stem to tip of sprit is about 21Ē.
Title: Re: Custom bowsprit
Post by: waughoo on January 30, 2022, 11:09:46 AM
I am liking the flush "deck" and side "skirts".  That really dresses it up.  Thanks for the uodate photos.
Title: Re: Custom bowsprit
Post by: LogoFreak on January 30, 2022, 12:58:06 PM
Yes, the top braces have been removed now that the side skirts are on, whatís still missing is the anchor roller setup and then a plate to cap it from the bottom.
Title: Re: Custom bowsprit
Post by: Noah on January 30, 2022, 01:16:36 PM
A few questions: How is it secured to the hull/deck? Are you going to have a bobstay? And, have you calculated an overall weight?
Title: Re: Custom bowsprit
Post by: LogoFreak on January 30, 2022, 01:21:53 PM
Itís secured with 2 bolts on either side, 3 on the top plus the stem itself. No bobstay and at the moment no idea of weight, my guess around 50lbs
Title: Re: Custom bowsprit
Post by: LogoFreak on January 31, 2022, 02:17:20 PM
A few more pics, some of them might explain some questions.
Title: Re: Custom bowsprit
Post by: LogoFreak on February 05, 2022, 03:39:41 PM
Test fit from on the boat went well today, working out what modifications I will need to make to the pulpit.
Title: Re: Custom bowsprit
Post by: waughoo on February 05, 2022, 08:54:37 PM
Tht second lower pulpit tube is going to make an awesome spot to mount a dolphin watching seat ;-)
Title: Re: Custom bowsprit
Post by: LogoFreak on February 05, 2022, 10:41:10 PM
Yep, the top loop is getting removed and side rails changed a bit. There will be nothing to catch any sheets or the sail itself that way.
Title: Re: Custom bowsprit
Post by: LogoFreak on February 05, 2022, 10:45:47 PM
And slightly off topic but related, hereís my new north sails 3Di Genoa. Itís going to get test fit on Tuesday, Iíll get pics of it hoisted on here.
Title: Re: Custom bowsprit
Post by: LogoFreak on February 06, 2022, 08:33:00 PM
Couldnít resist, weather was great so why not!
Title: Re: Custom bowsprit
Post by: waughoo on February 06, 2022, 10:07:36 PM
Is this one of the new sails they build on a 3D jig to get the form and then run "tape" to keep the stretch down?
Title: Re: Custom bowsprit
Post by: LogoFreak on February 07, 2022, 06:15:22 AM
Yes it is, check out the north sails video of how theyíre made, super cool. They keep their shape far longer and are more durable than traditional panel sawn Dacron sales. Thatís what I was told anyway, time will tell.
Title: Re: Custom bowsprit
Post by: waughoo on February 07, 2022, 09:34:39 AM
It is interesting how high the draft reducing foam strips are.  It seems they are often much lower on the luff.
Title: Re: Custom bowsprit
Post by: Noah on February 07, 2022, 11:34:21 AM
Logo- I assume you went with their ďOcean seriesĒ? Which material choice did you go with?
OCEAN 700 : UltraPE/Aramid Hybrid
OCEAN 370 : Polyester/UltraPE Hybrid
OCEAN 330 : 100% 3Di NORDAC Polyester
Title: Re: Custom bowsprit
Post by: LogoFreak on February 07, 2022, 05:34:56 PM
Ocean 330 Nordac, what would you guys recommend for new sheets? Iím looking at Marlow D2 club or D2 racing 78. Either in the 11mm thickness (7/16Ē)
Title: Re: Custom bowsprit
Post by: LogoFreak on March 08, 2022, 08:56:48 AM
Pulpit being modified.
Title: Re: Custom bowsprit
Post by: waughoo on March 08, 2022, 10:08:15 AM
Snazzy!!!  I am so looking forward to seeing how it all looks as a system.
Title: Re: Custom bowsprit
Post by: LogoFreak on March 08, 2022, 02:26:07 PM
No explanation required
Title: Re: Custom bowsprit
Post by: LogoFreak on March 10, 2022, 04:53:08 PM
Good pace this week!
Title: Re: Custom bowsprit
Post by: waughoo on March 10, 2022, 09:44:43 PM
Sooo COOL Antoni!!!
Title: Re: Custom bowsprit
Post by: LogoFreak on March 11, 2022, 03:36:22 AM
I canít wait to take it out on a sail with the new setup! Got a ship date from north sails for my new Helix gennaker and itís not till June 8th. So still a little while to goÖ
Title: Re: Custom bowsprit
Post by: LogoFreak on May 17, 2022, 09:50:36 PM
Some more progress pics.
Title: Re: Custom bowsprit
Post by: waughoo on May 18, 2022, 06:35:47 AM
Schnazzy!  I love the level of detail.
Title: Re: Custom bowsprit
Post by: LogoFreak on May 18, 2022, 10:46:39 PM
Bottom skin template, attachment point for potential bobstay and some polishing  :clap
Title: Re: Custom bowsprit
Post by: waughoo on May 18, 2022, 11:42:19 PM
LOVE IT!!! 
Title: Re: Custom bowsprit
Post by: LogoFreak on May 19, 2022, 01:47:44 PM
So closeÖ
Title: Re: Custom bowsprit
Post by: LogoFreak on May 19, 2022, 09:38:44 PM
Another sneak peak  :clap
Title: Re: Custom bowsprit
Post by: waughoo on May 20, 2022, 08:45:30 PM
F*&%#$ A!!!  Damn Antoni, I am so excited to see this thing installed. 
Title: Re: Custom bowsprit
Post by: LogoFreak on May 20, 2022, 10:52:59 PM
Me TOO! Itís so damn close that the anticipation is getting worse lol. Sandy whoís the fabricator building this for me has been putting in a lot of time, super laborious/tedious/physical work to polish this thing. We recon itís gotta weight about 45lbs, awkward shape and he has to manhandle it at the buffing wheel for hours.

If all goes well I should have some pics for you guys on Monday night, we should be able to do the final fit and tack weld all the parts on the boat before we take it to the shop a final time to finish welding up everything and closing up the bottom.
Title: Re: Custom bowsprit
Post by: waughoo on May 21, 2022, 09:48:51 AM
So exciting.  I have done a few stainless polishing projects, emphasis on small, and they were VERY labor intensive and time consuming, but I always enjoy seeing the mirror finiah gradually reveal itself.
Title: Re: Custom bowsprit
Post by: LogoFreak on May 23, 2022, 05:13:56 PM
 :clap :clap :clap
Title: Re: Custom bowsprit
Post by: waughoo on May 23, 2022, 08:30:15 PM
Shiny!!!
Title: Re: Custom bowsprit
Post by: LogoFreak on May 23, 2022, 09:26:27 PM
Tuesday or Wednesday this week itís getting welded on the boat with the rest of the parts, then hoping this coming weekend we can do a dry fit of the completed bow sprit.
Title: Re: Custom bowsprit
Post by: LogoFreak on May 24, 2022, 11:31:49 PM
95% done!
Title: Re: Custom bowsprit
Post by: waughoo on May 25, 2022, 08:18:58 AM
Cant wait to see it with the new pulpit!
Title: Re: Custom bowsprit
Post by: LogoFreak on May 29, 2022, 10:02:15 PM
Itís bolted on! Permanent! Iím so happy. Sandy from Metal by design knocked it out of the park, a piece of art with so much attention to detail. Couldnít be happier. Exhausted from a full weekend of work but thrilled to have this completed.
Title: Re: Custom bowsprit
Post by: waughoo on May 29, 2022, 11:45:53 PM
It looks SOOOO sharp Antoni!!  I like how it looks like it is supposed to be that way.  So often, refits don't incorporate enough design and the upgrades look out of place.  Not the case here.  Yours looks as it should!!  Can't wait to hear how she sails on the new code zero.