Members Harbour
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DMS HAMMERHEAD
Picked up a vacuum formed ABS hull of the Smit Nederland a few years back. As usual for me I build something different than was contemplated by the original components. In this build I decided to go with a Damen 1204 Stan tug. After significant structural reinforcement of the typically weak ABS hull & significant assistance directly from Damen ( working with them was in itself a lot of fun) I completed DMS HAMMERHEAD.
Chum444
1 year ago
10 Attributes
7 Photos
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Fantail launch
A Midwest steam launch built as a fantail launch from Woods Hole.
Chum444
2 years ago
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11 Photos
13 Likes
Svitzer FERRIBY an ASD tug
I saw this tug working in Southampton. Its lines were striking to my eye so had to build it. FERRIBYโs Mate was very generous with his time providing me with photos & dimensional information for the real tug.
I have not had much sailing time with it due to initial esc failures (since resolved) & itโs 32 lb weight. The little I did run it showed extremely good maneuverability & the need for much practice at the helm.
The hull is Gary Kingโs TIGER SUN greatly modified to become FERRIBY. All else scratch built.
Chum444
2 years ago
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6 Photos
29 Likes
27โ Monterey Clipper
My build of the US famous Monterey Clipper. There was a fleet of these fishing boats along the north coast of California extending to Bodega Bay, northward. San Francisco had the largest fleet with several shipyards, Hicks engine shops, & other chandeliers to service them. The history of the Monterey is far too long to describe here. I can be contacted to provide excellent references to consult.
Chum444
2 years ago
9 Attributes
7 Photos
18 Likes
ASTERIAS 1/48 Clyde puffer
My 1/48 scale puffer.
Chum444
2 years ago
7 Attributes
3 Photos
13 Likes
Bugsier 18
Part of my tug boat fleet; Bugsier 18. Some not quite completed photos.
Chum444
2 years ago
8 Attributes
4 Photos
18 Likes
Buddy Davis sportfisherman
Built this sport fisherman, Blank Check, based on a 47 ft Buddy Davis (manufacturer) fish boat. I had a one-time opportunity to run the real thing on an offshore tuna fishing trip.
Chum444
2 years ago
10 Attributes
5 Photos
25 Likes
Trap Play
Another of my lobster boats. Originally built for model lobster boat races in Bristol, Maine. Unfortunately no model races for a long time & none planned for the future.
Chum444
2 years ago
9 Attributes
5 Photos
10 Likes
Lobster boat WREN
Some details I added to a Midwest lobster boat I refurbished.
Chum444
3 years ago
7 Attributes
4 Photos
17 Likes
PNW tug
A build of a Pacific Northwest (PNW) log tug, the Dorothy Mackenzie. I purchased this โ kitโ from a friend in Ca in the US. I say kit but it is a collection of well cast parts originally sold by Gary King. Built with a suppled drawing but no instructions other than advice from my CA friend, Gary, and Umi Ryuzuki.Also searched a lot of photos of Dorothy builds constructed by others. Not sure I will name her Dorothy as I have strayed from true to type details in some cases. That partially because I have been told the log tugs are now repurposed for tasks other than towing log booms. Hope to finish her up while in Fl as well as pairing it with a Taranis X7 radio.
Chum444
3 years ago
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Members Blogs
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4 Followers
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WHOPPER STOPPER a Terry Jason sport fisherman
A few photos of how this build came together. In New England we refer to this type as a downeast (Maine) sport fisher since itโs built on a lobster boat hull. A couple of photographs early in the process.
Hull is a 36โ long fiberglass hull built by a young craftsman in Bristol, Maine. Everything else scratch built.
More later about when it was built; sort of the reason for this blog.
Chum444
1 year ago
1 Post
2 Followers
3 Likes
Svitzer FERRIBY ASD tug
Build log of an ASD tug I completed about 18 months ago.
Here is the link. https://www.rcgroups.com/forums/showthread.php?2950778-Svitzer-FERRIBY-ASD-tug
Chum444
4 years ago
4 Posts
3 Followers
11 Likes
Damen 1205 Stan Tug
Below is the link to a recent tug build I completed. I much appreciate the helpful photos Damen kindly provided.
https://www.rcgroups.com/forums/showthread.php?3678247-1205-Stan-tug
Chum444
4 years ago
Recent Posts
๐ Model Expo/Nauticurso Pesqueiro 1:32 Scale
6 days ago by
๐บ๐ธ Chum444 (

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Some fine chug! Excellent detailing.A well used weather beaten version would make an interesting build.
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๐ Round Bumpers
12 days ago by
๐บ๐ธ Chum444 (

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Ron,
Here is a site in the U.S.
| http://modelsminiatures.com/fendering/ |
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๐ Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US
14 days ago by
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Magnifico!
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๐ Details, details, details
15 days ago by
๐บ๐ธ Chum444 (

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The helm.
Looking aft at the cockpit
Motor box & stern seat.
Overall view of cockpit,
Clamshell vents for circulating air thru bilge.
Cabin porthole.
Cleat & fairleads on foredeck.
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๐ How do you create the coiled ropes?
16 days ago by
๐บ๐ธ Chum444 (

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Jump. That is a great little tool. Tx for posting.
๐
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๐ How do you create the coiled ropes?
16 days ago by
๐บ๐ธ Chum444 (

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On my side of the pond coiling a line is referred to as โ fakingโ the line. Some refer to it as โflakingโ but I believe faking is the original term. In fact the terms are used interchangeably. Makes for a good discussion over an adult beverage! ๐
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๐ 120 years of modelboat history
18 days ago by
๐บ๐ธ Chum444 (

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What an appropriate venue! Looking forward to more photos.
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๐ How do you create the coiled ropes?
25 days ago by
๐บ๐ธ Chum444 (

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Alessandro, for coils of larger diameter โropeโ you can tie them the same as you do with real rope. But for the most part I too use cya. You have to use VERY SMALL drops however. Otherwise they will be stiff & hang incorrectly. Yours are Bella!
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๐ Post-Scotland inspiration
26 days ago by
๐บ๐ธ Chum444 (

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Keep the photos coming Ronald.๐
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๐ Andrea Gail
28 days ago by
๐บ๐ธ Chum444 (

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You might consider just sistering a short length of wood on both sides of the keel that overlaps the break. Not true to type but a straightforward repair thatโs below the waterline so wonโt be all that noticeable.
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๐ฌ Re: Continuing with details
1 month ago by
๐บ๐ธ Chum444 (

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Those boats look some fine Ronald. Do you have build logs for them herein? Tx for the info for figures; theyโre never easy to find.
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๐ฌ Re: Continuing with details
1 month ago by
๐บ๐ธ Chum444 (

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Owner very upset itโs 1 Nov & no maiden voyage.
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๐ฌ Re: Lindsay M a cratch built Wasque 26 ft
1 month ago by
๐บ๐ธ Chum444 (

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..
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๐ When space runs out .....
1 month ago by
๐บ๐ธ Chum444 (

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Excellent comments all. I would add an understanding & supportive wife to the top of Alessandroโs tool list. Disclaimer, Iโm not in anyway suggesting oneโs wife is a tool, only that her support is at the top of any list.
Mike Sโs comment about tidying up after oneโs passing is what concerns my wife; a valid issue. Each of my two sons & three grandsons gets a boat. My only granddaughter gets the sailorโs valentines Iโve crafted. Flash! Next boat will be named after my granddaughter & designated for her! Six boats accounted for is a rather small part of my fleet. Thatโs why I am attempting to sell/donate one when I start a new one. Admittedly I am falling behind in the sell/donate portion. So, I also am always interested in what others are doing.
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๐ When space runs out .....
1 month ago by
๐บ๐ธ Chum444 (

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Ahhh; the age old problem. Most folks I know begin selling some of their boats. Iโve done that, do that. Ya ainโt gonna make any money! ๐ Iโve also donated a few to local museums & donated a few for auction by charitable organizations.
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๐ Unknown hull and deck
1 month ago by
๐บ๐ธ Chum444 (

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โ It appealed to me as I thought I could use my imagination for the above deckโฆ.โ
Now weโre talking! Allow me to encourage your use of imagination. ๐
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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After seeing more of the photos you have posted I can see that it clearly is a planing hull. Should have picked up on that beforeโฆ.duuh! Guess I was looking at the cabin arrangement topside & assuming it was the typical displacement/semi displacement hull found on cruisers.BTW, I can see your after keel surgery pic that the current rudder needs to remain as is.
Thank you for posting all your efforts & experimentation in this thread.
Itโs been a good ride indeed!
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๐ฌ Re: Almost done and a fudgeโฆ
1 month ago by
๐บ๐ธ Chum444 (

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Cash, sorry for causing you grief with the nav lighting. However your solution looks like โas designedโ. Well done.
You donโt seem the least bit concerned that you havenโt splashed her until completion. Thatโs interesting since Iโm sweating that I havenโt had the Wasque 26 in the water as yet & the major build steps are complete. Everyone has their own build sequence; no right or wrong way.
Looking forward to the maiden video.
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
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You can really get into the weeds of fluid dynamics if you do a web search like โprop/keel interactionsโ. I found this reference that is non-mathematical & should adequately serve our model building needs. Itโs a bit disappointing that they didnโt go into a deeper discussion when they described interaction between a deep keel & two bladed prop & dive into a bit of fluid dynamics. Iโll continue to look for something along those lines.
And now to include the reference.
| https://southernboating.com/engines/inboards/hull-prop-relationship/ |
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Hooray!๐ That looks great Bob. Iโm glad it runs completely counter to what I thought it would! The wake looks the way it should; flat behind the stern, bow wave prox halfway down the side. Now I will have to try to understand the prop/keel interaction.๐ค Did I completely miss something? Was the hull rolling to port when you were doing a turn to Stbโd & vice versa?
Well on you; problem solved!
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
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โTrouble is with models is that they can be easily over powered/ motored and therefore driven at higher than scale speeds and also asked to do sharp manoeuvres in water conditions that a full-sized boat wouldn't do or be able to do! Or even the crew being able to withstand! Folks soon get bored with tootling around unless it is a model obviously designed for slow speed, like a tug or river/pleasure craft and the temptation is to give it some beans!
It's made for an interesting discussion though and exercised our brain cells and it will be interesting to see what, if any, difference results from Bob removing the keel.โ
Chris,
It certainly has made for a brain exercising experience. Iโve learned a lot & itโs caused me to recall some things I had forgotten.
I completely agree with your comment regarding overpowering & wanting to go faster. My sense is that is an issue for Bob. The only place I have seen a wave deflector is on model warships. Warships may encounter mountainous seas!
The keel reduction will be interesting to me. My sense is that it will make matters worse. The keel is intended to improve tracking & turning stability particularly for round bilge hulls. But from the discussions herein it seems to have worked for others.
My builds are all scale in nature. So for me making the model as true to type in appearance & performance is the goal. I generally have to slow mine down. If Iโm honest I enjoy building more than running.
Bob; we anxiously await your keel trial.
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Chris, Iโm an engineer, not a naval architect but those principles are physics-based & apply to all hulls, sail & power. Their individual impacts may vary depending on the hull form& function.
Of course I could be misguided but from pics Iโve seen the SC hull to me defines the shape of a displacement hull. Hull forms of the displacement type Iโve viewed, 1:1 & model include variations of the extensive keel. Added to that is the SC appears to be designed as a cruiser. 1:1 cruisers do not plane since that is not their function. Iโve never seen an overturned SC so maybe the hull is a hybrid between a displacement & planing hull.
Of course I could be all wet!๐๐
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Bob, in a nutshell, hull speed is the max speed the hull can run before handling issues occur. Adding power after hull speed has been obtained only forces the hullโs stern down. I realize that your vids are at a higher speed than you normally run and yourโs squats in your latest one.
Glynn Guestsโ'article & subsequent site comments are talking about stability. The old adage of keeping things above the deck light is a great rule to follow.
So, there you are. Factors creating your issue include prop torque, hull speed, stability, prop speed & pitch, type of hull, weight distribution, etc. etc. ๐ค๐ค
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๐ Back to Model Boat Building (replaced 3D printers)
1 month ago by
๐บ๐ธ Chum444 (

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Lew, glad to hear you have gotten the home restored after the hurricane.Not work one would classify as satisfying.
Looking forward to your truckable build.
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Bob, some additional reading material while you are traveling. Iโm sure you have either timed or calculated how fast the Kommander is traveling. Is it beyond hull speed? How doors it compare to the real boatโs cruising speed?
| https://rcratings.com/rc-boat-speed-calculator/ |
| https://www.omnicalculator.com/sports/hull-speed |
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๐ฌ Re: Continuing with details
1 month ago by
๐บ๐ธ Chum444 (

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Thank you Cash. I used Elmerโs which was impossible to peal off the frames. Do you know if the glue you referenced is still on the market.?
Even though I glued the frame drawings to the ply I have to be a LOT more careful cutting them out. I thought I was being precise but not.
For next scratch build I will probably contract for laser cutting.
Bill
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๐ Continuing with details
1 month ago by
๐บ๐ธ Chum444 (

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- Trunk cabin hatch & companionway hatch to
cabin in place.
- Chrome rub rail & stern hatch, access to
rudder post, added.
- Companionway doors installed. Helm details
started.Typical tight fit on 26 ft boat.
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Found what I have been looking for. See
| https://www.rcgroups.com/forums/showthread.php?3416337-Stability-how-to-avoid-ro |
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Chris I think you
added a lot when you talk about the full length keel. So, the speed of the prop, the driveshaft angle relative to the bottom of the hull, & the keel all contribute to the issue facing Bob. Adding Bobโs comment about the shape of the bow to the above reinforces my sense that the hull configuration wonโt support very high speeds.
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๐ฌ Re: Aerokits Sea Commander. Strange Handling ?
1 month ago by
๐บ๐ธ Chum444 (

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Chris, that makes two of us with hurting heads. If the boat actually dives under the first wave as I believe Bob has indicated, the short period of the waves allows no time for the hull to regain any buoyancy before it encounters 2nd & succeeding waves. Things go downhill (get wetter) from there!
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