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Liked The Metro Marine Modellers of Toronto 🇨🇦 7 days ago
Liked Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US 11 days ago
Liked Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US 1 month ago
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📝 CAP SAN DIEGO
5 months ago by 🇨🇦 JockScott (
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What an amazing trip this is going to be. I am envious. Take lots of picture's.👍
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💬 Re: Guestbook
5 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Wow,😋 a flashback from the 60's. Opel Caravan?
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📝 Ballast Question
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 29 Views · 3 Likes · 2 Comments
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Alessandro, if I will sail the model how have I intended it remains to be seen. Definitely I'll start in Ballast condition, then try loaded as planned. If everything goes as hoped I will subject it to water dousing. If it proves to keep the water out I will go further. One tiny step at a time
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📝 Ballast Question
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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I agree with everything you brought up. I have to, however, consider practicality. While lead may be the best medium for its weight/volume density, not having any foundry facility, it also imposes inherent difficulties to achieve maximum space utilization.
Cement has specific weight of 3.16 to water, I could enhance this by adding gravel but with limited benefit.
Once I get to the point of putting my model to water, I will do some testing how much weight I really need. I can do some quick calculations how much I will need and have the option with the smaller compartments to achieve ideal balance.
When running 'in ballast' I will have a small acid/lead battery (those for motor bikes) in the aft section to get proper draft (I hope).
I surely let you know once I get there.
Cement has specific weight of 3.16 to water, I could enhance this by adding gravel but with limited benefit.
Once I get to the point of putting my model to water, I will do some testing how much weight I really need. I can do some quick calculations how much I will need and have the option with the smaller compartments to achieve ideal balance.
When running 'in ballast' I will have a small acid/lead battery (those for motor bikes) in the aft section to get proper draft (I hope).
I surely let you know once I get there.
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📝 Ballst question
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Alessandro, thank you for your response and your welcoming comments. I think I will be ok
without immersing you in lengthy time consuming work on the computer. The ballast has to be removable therefore I will make forms to fit exactly the space between the frames and I don't have to resort to complicated transport and retrieval systems as luckyduck has been suggesting. I will pour the concrete and once cured remove the forms.
without immersing you in lengthy time consuming work on the computer. The ballast has to be removable therefore I will make forms to fit exactly the space between the frames and I don't have to resort to complicated transport and retrieval systems as luckyduck has been suggesting. I will pour the concrete and once cured remove the forms.
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📝 Ballast question
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Yes Alessandro. I thought about lead but concrete (cement) is cheaper and easier to handle. I just hope it will do the job. I will refrain from asking you for your scientific fancy drawing and calculation software to put to use to calculate how much concrete will fit in between the frames hahaha
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💬 Re: Scratchbuilt Esso Deutschland 1:150
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Indeed flaxbybuck. I have to add some 25kilo ballast to get her to loaded draft and as a 174cm model I can't afford any weak spots. Originally I intended to use the space in between the frames as water tanks to fill to achieve draft required. Since this would have required to drilled holes in the bottom I eventually opted against it and will use concrete blocks.
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💬 Re: small progress update
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Len, it would be pointless as the melamine has a rough underside to better adhere to glueing. I thought of the melamine as the surface is slick, hard, waterproof and other then prior preparation for better paint adhesion requires no treatment. It is however more difficult in cutting and shaping cut out forms as it is a much harder material than let's say plywood.
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📝 small progress update
6 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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The last months have been spent making sure everything is in line with Original and to scale.
I finally finished the removable main deck which was built as skeleton structure. For the deck material I went outside common practice and used melamine (the stuff for kitchen and bathroom counters). I always wondered about its use for decking and sofar my only issue is that paint doesn't hold very well and it takes several coats. I may even consider sanding it down slightly applying an appropriate undercoat. I just have to be careful to avoid sharp objects scratching it.
Next will see the aft superstructure taking shape.
I finally finished the removable main deck which was built as skeleton structure. For the deck material I went outside common practice and used melamine (the stuff for kitchen and bathroom counters). I always wondered about its use for decking and sofar my only issue is that paint doesn't hold very well and it takes several coats. I may even consider sanding it down slightly applying an appropriate undercoat. I just have to be careful to avoid sharp objects scratching it.
Next will see the aft superstructure taking shape.
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💬 Re: MAST HOOP
7 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Not quite a view of how the sails are attached to the hoops as they were furled when I visited B.N. 2 last summer but may give you info on the hoops and how they were rigged.
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📝 MANUFACTURERS AND SELLERS OF NAUTICAL PROPELLERS FOR RC MODEL BUILDING (USEFUL LINKS FROM ALL OVER T
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Thanks for your comments RN. I am well aware and not the reason I commented on Dean but on looking up another supplier of fittings in my quest of a source for suitable parts for my 1:150 scale. I actually bought my Raboesch prop from Krick.
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📝 MANUFACTURERS AND SELLERS OF NAUTICAL PROPELLERS FOR RC MODEL BUILDING (USEFUL LINKS FROM ALL OVER T
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Hi Alessandro As you found out = 5cm with a total hull length of 174 = 1:35. Hope this complements your survey
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📝 MANUFACTURERS AND SELLERS OF NAUTICAL PROPELLERS FOR RC MODEL BUILDING (USEFUL LINKS FROM ALL OVER T
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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I have been browsing most of them already but Dean Marine was new to me. I just find it difficult to find fittings for 1:150 scale models.
I have resigned myself to making them from scratch if at all possible. Here is an example of my rendering of fairleads based on the vessel's yard drawings.
I have resigned myself to making them from scratch if at all possible. Here is an example of my rendering of fairleads based on the vessel's yard drawings.
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📝 Do we want to talk about propellers?
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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How are propellers secured to the shaft? Is it sufficient to tighten it against the nut the shaft came with or, to be sure, does it require other means? I noticed the suggestion to invest in cheap propellers when experimenting....🤔
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💬 Re: Scratchbuilt Esso Deutschland 1:150
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Thank you Ronald for your kind words. Since my first attempt back in 1964 in scale 1:200 of this model in B+B method I have had no other experience except a Billings plank on frame Blue Nose.
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💬 Re: Scratchbuilt Esso Deutschland 1:150
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Alessandro, thanks for comments. The propeller is 4 blade Dia 5.0cm, true to scale.
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📝 Scratchbuilt Esso Deutschland 1:150
8 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 97 Views · 21 Likes · 8 Comments
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When I first posted a thread under ... a dreamproject.. I didn't realize it was the wrong forum category. So here is my built blog. I will spare you the original introduction as I have made progress which and most of you are already familiar with my project.
The hull was built merging 2 methods on a simple keel plate from plywood, bow and stern structure bread and butter and hull in between 3mm planks on frame.
The entire main deck is intended to be removable with a drainage irrigation system of plastic corner moulding (from a building supplier) along top of hull and flush at poop and back deck structure. The deck is made of 1/4" plywood skeletal structure incorporating midship deckhouse. Hull glassed with lightest cloth available after 2 coats 2-epoxy sealer and paint primer followed by final coat except top (above waterline) grey will be applied once I have finished doing any necessary adjustments. There have been a lot of them since I realized many inaccuracies in dims etc. I wasn't happy with.
Here are photos in the progress (some may have already been posted in the original post.
More a bit later next week.
The hull was built merging 2 methods on a simple keel plate from plywood, bow and stern structure bread and butter and hull in between 3mm planks on frame.
The entire main deck is intended to be removable with a drainage irrigation system of plastic corner moulding (from a building supplier) along top of hull and flush at poop and back deck structure. The deck is made of 1/4" plywood skeletal structure incorporating midship deckhouse. Hull glassed with lightest cloth available after 2 coats 2-epoxy sealer and paint primer followed by final coat except top (above waterline) grey will be applied once I have finished doing any necessary adjustments. There have been a lot of them since I realized many inaccuracies in dims etc. I wasn't happy with.
Here are photos in the progress (some may have already been posted in the original post.
More a bit later next week.
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💬 Re: BLUENOSE
9 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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I also used 3mm planks for my Tanker model but pulled the nails after the glue set. Mistake? I glassed the entire hull over 2 coats of 2 epoxy sealer.
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📝 Question of day
9 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 32 Views · 1 Like
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Ballistic missiles are launched with compressed air from a submerged Sub. I believe, a cruise missile with its aerodynamic shape to facilitate navigation and lift, can not.
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📝 Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 35 Views · 6 Likes
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Hi Alessandro
Here in Canada we have so called Dollar stores (e.g. Dollarama), selling low cost (cheap) items.
In the craft section they have foam sheets 2-3mm thick in a variety of colousr. I have used them for various purposes including sealing the bottom of the blender which worked satisfactorily. They are a few $s and versatile for projects.
Here in Canada we have so called Dollar stores (e.g. Dollarama), selling low cost (cheap) items.
In the craft section they have foam sheets 2-3mm thick in a variety of colousr. I have used them for various purposes including sealing the bottom of the blender which worked satisfactorily. They are a few $s and versatile for projects.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 42 Views · 2 Likes
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Hi Alessandro, thank you for your comments.
As we went along with the clarification of various issues from the material I had given you, I was indeed wondering how much effort and time you invested in this project and if this was not stretching your patience and endurance. But since you diligently responded to all issues as they represented themselves, to stop now would have been disrespectful and rude on my part. So, for that I thank you for your comments in responds to RN's post as I had the notion, my part was conceived as 'leading you on to a trivial and somewhat futile attempt' of very little achievement. Therefore let's let it rest, you have achieved more than I could have imagined, until I can determine the true volume in a real test. It will be in fresh water. Later, when completion as progressed further down, I like to take it in the ocean to test the watertightness of the removable main deck.
As we went along with the clarification of various issues from the material I had given you, I was indeed wondering how much effort and time you invested in this project and if this was not stretching your patience and endurance. But since you diligently responded to all issues as they represented themselves, to stop now would have been disrespectful and rude on my part. So, for that I thank you for your comments in responds to RN's post as I had the notion, my part was conceived as 'leading you on to a trivial and somewhat futile attempt' of very little achievement. Therefore let's let it rest, you have achieved more than I could have imagined, until I can determine the true volume in a real test. It will be in fresh water. Later, when completion as progressed further down, I like to take it in the ocean to test the watertightness of the removable main deck.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 35 Views · 2 Likes
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Amazing work Alessandro. I will go over the details and your explanations later as I like to check for the apparent deviation of frame 139 in your pic. 6/8. Also the shape of frame 169 seems wrong as this is the last frame in the bow section which is entirely above the waterline and should not figure in the immersed calculation.
Meanwhile the final result is surprisingly close to my own very simple calculation by the volume of Length x Beam x draft and subtracting approximate 4 triangles for and aft at waterline level and 50% again for the aft triangle. This had given me 30.0 dm3.
Meanwhile the final result is surprisingly close to my own very simple calculation by the volume of Length x Beam x draft and subtracting approximate 4 triangles for and aft at waterline level and 50% again for the aft triangle. This had given me 30.0 dm3.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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It depends really how much accuracy someone wants in determining the displacement of the hull. I for one would be happy with 5% accuracy.
I am also quite intrigued to see the drawings by Rino of the hull in 3D.
I am also quite intrigued to see the drawings by Rino of the hull in 3D.
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📝 Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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The amount of research you invest in a historically correct model is admirable and inspirationable as I am myself involved in striving to get images of fittings for my Tanker project which closely fit the original.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
10 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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Hi Alessandro looking forward to the result.
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📝 Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US
11 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 45 Views · 3 Likes
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Nice work Alessandro. When tightening the rope, did you have the problem of deadeyes (bigots?!!) twisting against each other?
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📝 The immersed volume of the Jockscott model (theoretical attempts).
11 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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No worries about if you can't do it right away. There is no rush.
Construction was quite simple. Straight Bottom plate, frames throughout and stern and bow bread and butter.
It won't see water till next year as the model is 1.74mtrs long and my bathtub is not big enough.
Construction was quite simple. Straight Bottom plate, frames throughout and stern and bow bread and butter.
It won't see water till next year as the model is 1.74mtrs long and my bathtub is not big enough.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
11 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
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I am not sure what it is you still need as I have posted everything you need to have.
1. frame drawings. You may have trouble reading frame numbers on the drawing. I have hand written the number hopefully now easier to identify on another photo
2. the frame distance diagram. They look very clear to me and are the original measurements from the plan converted to 1:150 (2nd column)
3. The measurements between frames are always centre on centre and therefore there is no thickness to consider.
Hope this helps
1. frame drawings. You may have trouble reading frame numbers on the drawing. I have hand written the number hopefully now easier to identify on another photo
2. the frame distance diagram. They look very clear to me and are the original measurements from the plan converted to 1:150 (2nd column)
3. The measurements between frames are always centre on centre and therefore there is no thickness to consider.
Hope this helps
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📝 Modello RC scala 1/60, di piroscafo armato a goletta, liberamente ispirato alle cannoniere classe US
11 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 48 Views · 1 Like
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A beautiful model with attention to detail and precise craftsmanship. Great inspiration.
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📝 The immersed volume of the Jockscott model (theoretical attempts).
11 months ago by 🇨🇦 JockScott ( Chief Petty Officer 1st Class)
Chief Petty Officer 1st Class)✧ 36 Views · 2 Likes
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If it helps you, I post another picture of the schedule for the frame distances. "0" is the rudder shaft. Distances are back (-) to stern and forward to bow. Hope this helps.
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