Boat Fittings - How To Calculate the Correct Size?

Started by firefighter
40 replies 76 likes Last activity: 3 years ago
#41

Boat Fittings - How To Calculate the Correct Size?

Hi Dave,
I wasn't confused, simply confirming Roy's suspicions and providing some background on this type of boat and Perkins's model to enable guestimating the scale used. Perkins took a lot of liberties with the model presumably to simplify and cheapen it. The railings in particular are awful🤔
Cheers, Doug 😎
Young at heart 😉 Slightly older in other places.😊 Cheers Doug
Liked by dave976 and Scratchbuilder and
#40

Boat Fittings - How To Calculate the Correct Size?

Hi Greg
As I said in my original post with the pics this is what a fellow member built to represent what a UK based marine police boat might look like. I know he researched amongst his fellow officers and produced his model based on this. I was hoping the detail on deck might inspire you with you selection of fittings.
Doug, nothing to do with Bremen and I am sorry if I confused you by posting the pic of the Bremen.
Dave976
Liked by firefighter and Colin H and
#39

Boat Fittings - How To Calculate the Correct Size?

Hi Roy,
Ref Dave's pictures
"Did the UK police import this boat from Germany? It is a different boat to Sir Humphrey!"
Maybe, can't find any evidence though.
Yes Roy the Bremen 9 is different from the Sir Humphrey Gale.
Sir Humphrey, and sister boats, were built by Halmatic in Havant (now VT Halmatic) in the early 80s. LoA ~18m.
Bremen 9 is (was?) a one off Water Police boat (Wasserschutzpolizei) built by Fassmer & Co in Berne on the river Weser, opposite Bremen city, for the Bremen Polizei (Surprise surprise!) in 1992. LoA ~20m. Graupner model is scale 1:20.
Cheers, Doug😎

https://www.shipphotos.co.uk/ship/?ship=sirhumphreygale

https://www.hobbydirekt.de/sonstiges/sonstiges/BREMEN-9-Rumpflaenge-ca-1000-mm-Graupner-2181::42513.html

https://www.fassmer.de/en/
Young at heart 😉 Slightly older in other places.😊 Cheers Doug
Liked by Colin H and firefighter
#38

Boat Fittings - How To Calculate the Correct Size?

Hello Roy,

I love your dog! Stanley is our third Boarder and as you say as bright as a button. He, like our other two is from working stock. Both his parents are local working dogs so he have the genes and learns very fast.

Okay, I'll send you a PM concerning the plans.

Greg 👍
Best regards,
Greg
Liked by Colin H
#37

Boat Fittings - How To Calculate the Correct Size?

Hi Firefighter 2 things.
1 we had a border collie she was as bright as a button great fun learnt lots of tricks used to work things out for herself. Liked to eat although she never got overweight, but after Sunday lunch we would clear away and while we were otherwise engaged she would unload the dishwasher and lick everything clean!

2 If you send me a PM with your address I will send you the plans when I return to the UK, I am in Australia at the moment. I should be over jetlag by Wednesday of next week. They are of no use to me as I passed the boat back to Traplet after playing with it for a month. To be honest everytime I sailed her something broke off there was that much detail.
regards
Roy
Liked by Colin H
#36

Boat Fittings - How To Calculate the Correct Size?

Hello Roy,

I joke. I haven't really given it to the dog. He isn't an old sea dog. He is an 18 month old Border Collie so he wouldn't know what to do with it anyway. 😁

You mention in your post about still having the plans. Yes, I would be very interested in obtaining a copy. Thank you.


Greg 👍
Best regards,
Greg
Liked by Colin H
#35

Boat Fittings - How To Calculate the Correct Size?

Hi Firefighter do not despair read my post.
When I made this model total cost came out at nearly £700 so you would expect something special for that much money. My model went into the Traplet Boardroom but maybe that does now exist now. I still have the plans at home if you are interested.
Roy
Liked by Colin H
#34

Boat Fittings - How To Calculate the Correct Size?

Hi isn't the model shown the Graupner Police boat kit Bremen 9? I built this for the Int Marine modellers magazine way back. It is 40 inches long goes very nicely twin prop, very detailed.

The RIB is a bit of a challenge but don't think much of his stanchions not upright for a start Also the model afloat is not the same as the other model, Polizei on the side rather gves it away. Did the UK police import this boat from Germany? It is a different boat to Sir Humphrey!
(A detective was he!!! I call his bluff)
regards
Roy
Liked by dave976 and Colin H
#33

Boat Fittings - How To Calculate the Correct Size?

Ha Ha Ha I like that. 😁

Greg 👍
Best regards,
Greg
Liked by Colin H
#31

Boat Fittings - How To Calculate the Correct Size?

Hello Dave,

Thank you for the photographs. Having had a look at the pictures of the model on display and the quality of the fittings and finish I' am now about to give my half finish boat to the dog for him to play with! 😁 What a quality model!!

Greg 👍
Best regards,
Greg
Liked by dave976 and RNinMunich and
#30

Boat Fittings - How To Calculate the Correct Size?

Hello Doug,

Wow! Thank you for the highly detailed information. Very interesting and very helpful. I know Portsmouth harbour quite well as one of my daughters went to the University of Portsmouth.

Thanks again.

Greg 👍
Best regards,
Greg
Liked by RNinMunich and Colin H
#29

Boat Fittings - How To Calculate the Correct Size?

Hello Ron,

thank you for the scale conversion details. They will be very help.

Greg 👍
Best regards,
Greg
Liked by Colin H
#28

Boat Fittings - How To Calculate the Correct Size?

Hi Dave,
I musta missed something😮 (Fell asleep again🤔)
When was the City State of Bremen* annexed by Cheshire???😁
Don't remember seeing it on the German TV 'Tagesschau' (8 o'clock NEWS).

😎
*; Amongst the 16 Lände comprising the Federal Republic of Germany three of them are City States, i.e. Lände: Bremen, Berlin and Hamburg.😉
The German Lände are roughly equivalent to the States of the USA, each with their own local tax collection🙄 and law making legislation for local issues. That's why it often takes so long for a consensus with the central government in Berlin to be reached that frequently it's too late or - nothing changes☹️
Young at heart 😉 Slightly older in other places.😊 Cheers Doug
Liked by Colin H and firefighter
#27

Boat Fittings - How To Calculate the Correct Size?

Hi Greg
Can't help with your particular model but we had a detective as a member of our Club and he made a couple of models. Cheshire do not have a marine section but I know he consulted with his colleagues when researching. The pics may give you some idea of what could have been on your model
dave976
Liked by Ronald and RNinMunich and
#26

Boat Fittings - How To Calculate the Correct Size?

No Ron, not awesome, just persistent or even tenacious😁
Good to know that my Check and Balance service is awake and On-Line👍😊
😎
BTW; 6ft is about my height now.
Once upon a time I was 6'2" 😭
Young at heart 😉 Slightly older in other places.😊 Cheers Doug
Liked by firefighter and Colin H
#25

Boat Fittings - How To Calculate the Correct Size?

1/45th is close enough to 1/48th which is American "O" scale, 1/4" to the foot, so there are lots of O-scale figures available. The difference is only 6% & that's less than the genetic variations of the human population
VA3ROD
Liked by firefighter and Colin H and
#24

Boat Fittings - How To Calculate the Correct Size?

You are Awesome Doug! Very good with those calculations, spot on.
Liked by firefighter and Colin H and
#23

Boat Fittings - How To Calculate the Correct Size?

Hi Greg,
As Ron rightly surmised your model appears to be of the launch Sir Humphrey Gale.
Perkins themselves describe it as 'semi-scale'.
To me it's a highly simplified semi-semi scale version🤔 The front and the rear of the cabin structure are considerably altered☹️
Compare the Perkins pic (#1) with the three pics (2, 3 & 4) of the real boat operating in Portsmouth around 2011/12. Note Ark Royal in the background of pic 2.
Pic 3 shows an armed officer on the stern which gives an idea of size.
Pic 5, also in Portsmouth shows a pair of Type 45 destroyers in the background😉
I also found on vesselfinder her sister ship Sir Evan Gibb operating in Gibraltar Bay.
See link below.
Vessel finder gives her dimensions as LoA 18m, Beam 4m.
Thus a model length of 0.41m gives a scale of as near as damn it 1/45.

So given a 6ft (72inch) crew member scale figures would be 1.6" or ~40mm.
The pics also show the deck fittings, e.g. cleats/bollards quite well so you should be able to estimate the sizes and make good approximations for your model, or find near commercial equivalents.
Bon chance mon ami🤞
Cheers, Doug 😎

https://www.vesselfinder.com/vessels/details/235026716
Young at heart 😉 Slightly older in other places.😊 Cheers Doug
Liked by firefighter and Rookysailor and
#22

Boat Fittings - How To Calculate the Correct Size?

Okay Greg try this “ Tips Understanding and Converting Scale Ratios”
Liked by RodC and firefighter and
#21

Boat Fittings - How To Calculate the Correct Size?

Just a little! 😊
Best regards,
Greg
Liked by hermank
#20

Boat Fittings - How To Calculate the Correct Size?

Is it that obvious that i was à sales director ?😊
Liked by Colin H
#19

Boat Fittings - How To Calculate the Correct Size?

Thank you hermank. I'll take a look. You may not be a share holder but do you get commission on sales! 😁

Greg 👍
Best regards,
Greg
Liked by Colin H
#18

Boat Fittings - How To Calculate the Correct Size?

Hello Ron,

Thanks for the advice. I have emailed the manufacturer twice now on the subject but have not had a reply. I also emailed them about a problem with the 3D printed comms mast that comes in two halves saying that the box contained two halves of the same side and could they send me the correct other half. I honestly don't think they believed me because they emailed me asking me to send pictures which I did. Since then I have heard nothing.

I also emailed the supplier where I purchased the kit about deck fitting for the model and have not had a reply from them either. That's why I asked you good souls for help.

Concerning locating a Ministry of Defence harbour establishment. I think gaining access to one of their bases and their launches is about as likely as me getting on the next shuttle to the Moon! 😁

I suppose the nearest base to me would be the Royal Marine Commando Training Base at Lympstone which is on the river Exe or the Royal Navy and Marine bases at Plymouth.

I think if I told them that I was a retired fireman they would probably say So........ 😊


Greg 👍
Best regards,
Greg
Liked by hermank and Colin H
#17

Boat Fittings - How To Calculate the Correct Size?

Another website who’s selling quite à range of fittings is thé Dutch site
Modelbouwshopnederland.nl
When you click onto the site you can chose the langage into english and they ship it
Just as an info i m not a shareholder😊
Liked by Colin H
#16

Boat Fittings - How To Calculate the Correct Size?

Email them and ask for more details. Tell them you are building a model and the kit has very little details. If you are near a port where they have one of these, they might let you get up close!

I found this email address:
mdp-foi-dp@mod.uk

Worth a try 😁 tell them you are a retired fireman
Liked by RNinMunich and Colin H and
#15

Boat Fittings - How To Calculate the Correct Size?

That's the one!

Greg 👍
Best regards,
Greg
#13

Boat Fittings - How To Calculate the Correct Size?

Is this the police launch you are asking about?

https://www.jperkins.com/products/WBC1002

You could also try emailing and asking for more information telling them you are building a model and the kit has very limited details. What could they say but, “we don’t give out information “👮‍♀️

Try:
mdp-foi-dp@mod.uk

Lots of stock photos on the web too
Liked by Colin H
#12

Boat Fittings - How To Calculate the Correct Size?

410mm = 16.14inches according to the conversion chart. Are you sure your boat is only 16” in length?

This Billing model of a Dutch Schouw is 18” x 5-1/2” The crew member is 1”=1’ he stands 6’ tall
Liked by Colin H
#11

Boat Fittings - How To Calculate the Correct Size?

Hello Hermank,

Thank you. Scale has been mentioned in other responses to my post but I think I might have confused members by using the word 'calculate'. It is not the scale of the model I am looking for but how to work out what size in millimetres I need for deck fittings for the police launch that I am building.

When I look online at fittings for sale they are shown in various mm sizes. What I want to know is how I find out what size would be suitable for my boat. That would not look either too small or too big making the finished model look out of proportion.

The launch is 410mm in length and 120mm wide.

Greg 👍
Best regards,
Greg
Liked by Colin H
#10

Boat Fittings - How To Calculate the Correct Size?

There is à scalecalculator.com
Here you can calculate almost everything
Hope this helps you out
#9

Boat Fittings - How To Calculate the Correct Size?

In addition to this post concerning sizes of fittings please could members recommend a good online supplier of boat fittings in the UK?

Greg 👍
Best regards,
Greg
#8

Boat Fittings - How To Calculate the Correct Size?

Hello Roy,

Sorry for the delayed reply. The kit I would like to get additional or different fittings for is the Wooden Boat Company's Police Launch. As an example I would like to replace the stanchions. The ones that come with the kit are just split pins.

Greg 👍
Best regards,
Greg
#7

Boat Fittings - How To Calculate the Correct Size?

Hello again on cleats. They are an upward curve tapered head standing on 2 pillars. It is easier to fit a mooring rope with a loop in it. The method is to insert the loop between the 2 pillars from the water side of the boat and then take the loop over one of the horns and then back over the other.

Otherwise for a rope the usual round turn and then across one way and then the other with a twist in this turn so the free end of the rope is pulled tight when there is a pull from the rope. No knots please.

You do not hang fenders from cleats!

Fenders are usually short term protection measures when alongside a pier or jetty perhaps to take on water / fuel.
The fender is usually tied off on the top hand rail or wire with a half hitch knot, (look it up). This gives ease of access and recovery when moving off, they should be stored in a convenient locker under a seat.
regards
Roy
Liked by firefighter
#6

Boat Fittings - How To Calculate the Correct Size?

I was 5' 10" (way back then), how come I always had to duck when going thru a ship's door?
Liked by RNinMunich and firefighter and
#5

Boat Fittings - How To Calculate the Correct Size?

My rules of thumb are quite simple.
1, A door in full size equates to roughly 6' 6" or around 2.1 meters high, so you can get an idea of scale from the model door size.
2, if it looks right, and in proportion to the rest of the model, then go for it.
If it don't fit, use a hammer to make it fit....
Liked by firefighter
#4

Boat Fittings - How To Calculate the Correct Size?

Hi Greg still need to know which type of boat, A 60 foot work boat or yacht has different size fittings to a cargo ship.
A 40-60 foot boat has cleats about size 7 shoes now you can use your size figure.
But say a fishing boat would need sturdier fittings.
On smaller craft there should also be fairleads that the rope goes over onto the cleat.

Have look at a prototype full size vessel of your model and see what you find there.
Roy
Liked by firefighter and Colin H and
#3

Boat Fittings - How To Calculate the Correct Size?

There are a number of ways of doing this. One that I find is easiest is to place a scale figure on the boat, if possible up against a doorway. If it looks to be too large then it probably is, so try a smaller figure of known scale. Eg. start with a 1:12 scale man that will be 6" high. Next try a 1:16 scale man at 4.5" high, then 1:24 at 3" high, then 1:32 at 2.25" high. Not only must the man look to be the right size, but the boat must appear to be the correct size in relation to the man.
If you do not have figures at these scales then make paper or cardboard cut-😉outs of the sizes I have given.
That should do it.
Good luck
Liked by firefighter and Colin H and
#2

Boat Fittings - How To Calculate the Correct Size?

Hi which model have you got?
Roy
#1

Boat Fittings - How To Calculate the Correct Size?

Question - When building a boat kit that is semi-scale how do you find out the size of any extra boat fittings that you might want? Things like cleats, aerials, ladders and similar.

Most of the semi-scale kits only show a length, width and height of the finished model but not an approximate scale.

Most of the fittings I have seen online only show the size in millimetres. How do I translate those sizes to the model I have? For example a boat I am building does come with any cleats which I want to add to the finished model. As I have nothing to compare how do I find out what size I need?

Greg 👍
Best regards,
Greg
Liked by Colin H

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