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Author Topic: Usable plans  (Read 2510 times)

Trucker

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Usable plans
« on: July 16, 2022, 08:32:26 am »

Hi to all the experts,
What's involved turning a good line drawing of a work boat, into a scaled drawing ready to use for a new build.
Trucker
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Tug Fanatic

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Re: Usable plans
« Reply #1 on: July 16, 2022, 08:55:40 am »

When you say a line drawing do you have an overhead view + a side view + a front/back view + hull lines or something less?
The more that you have the less that you will need to guess/estimate.
 
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nemesis

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Re: Usable plans
« Reply #2 on: July 16, 2022, 07:50:20 pm »

Take them to a good print shop, tell them what size you want the boat to be. They can do this with a punch of a button. Should not be too expensive, well not up here, quite reasonable and it saves you a lot of head tearing. Some shops are funny so any copyright markings, cover them up. nemesis
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Trucker

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Re: Usable plans
« Reply #3 on: July 16, 2022, 08:32:10 pm »

thanks for the replies. i will have to look around for a local printer if thats all it takes..


heres a pic that i down loaded of the work boat thats got my attention
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ChrisF

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Re: Usable plans
« Reply #4 on: July 16, 2022, 09:28:55 pm »

That's a nice clear and detailed drawing to start with. You need to decide how big you want the model to be so that the copy/print shop can produce it at the right size.

Producing the bulkheads/frames will be a doodle! 

Chris
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Building Fairey Marine boats: River Cruiser 23 prototype, Huntress 23 Long Cabin with stern-drive, Huntsman 28, Huntsman 31 and Swordsman 33 and two more to come! All scratch built and to a scale of 1:12

Circlip

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Re: Usable plans
« Reply #5 on: July 17, 2022, 12:24:01 pm »

Best printers to use are those that print for Architects and engineering companies. Avoid Staples etc. like the plague.


   Regards  Ian.
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Baldrick

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Re: Usable plans
« Reply #6 on: July 17, 2022, 09:23:22 pm »

Best printers to use are those that print for Architects and engineering companies. Avoid Staples etc. like the plague.


   Regards  Ian.


   Google "Reprographic Services near me "
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dougal99

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Re: Usable plans
« Reply #7 on: July 18, 2022, 06:17:35 am »

speaking from experience (I've built a couple of models from photos and small GAs) havng the drawing expanded is the easy bit. You need to think through how and where you want to place you drive gear and plan the access for batteries. For instance the superstucture on your model is off to one side, will you have create a hatch in the deck to get at your batteries? Head scratching comes with the territory  {:-{ All good fun!Best of luck
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RST

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Re: Usable plans
« Reply #8 on: July 23, 2022, 05:17:18 am »

Hi,


I like multicats and am finishing my second one though I've built a few of these hulls before.  Beauty of them I like is they are so easy to scale because they're just based on box shapes and not many curves.  I wouldn't bother with repro companies for this, I have never re-sized any print for less than 20-30 per big sheet before but that seems different from others experiences.  Your GA is a good one to work from compared to most published ones and I grabbed it also!  It's almost a complete lines plan to work from.  If I were you and not confident to print on multiple A4 sheets of paper, I'd either buy some A3 paper (I wouldn't even do that) stick some A4 sheets together or buy a cheap roll of wallpaper lining paper at the most (90% of it will be saved for later), and just scale-up everything manually simply using a ruler and straight-edge.  If you need to draw curves then use a pair of compasses but you'll be amazed though how useful things like coins, bottle tops, anything round comes in handy if you don't have a circle template or a pair of compasses to hand.  Because the hulls are box-shaped, you can just hold-up a sheet of the material against the lines and add/subcontract the thickness as required, easy-peasy.


...For that GA you have I wouldn't over think things too much as there's so little curves or much not shown in your GA.  If you want to set a scale, I like 1:48/1:50 which means a commercial brass flat stanchion of 22 or 23mm high very roughly fits in nicely with the general regs. of 1,050mm to the undersisde of the top hand-rail.  As I hate making stanchions I try to fit in with what I can buy so I scale accordingly around the "1,050 to 1,100mm" rule for general merchant or offshore vessels.  You can pick any scale you like if you want to scratch build entirely.


I agree and disagree with Dougal.  In a multicat you have almost no restriction inside for running gear, but I do agree you need to think about access.  I personally just have large hatches on the deck held in-place using self-ahesive magnetic strip underneath.  If it's cut neatly it is not obtrusive and if there's wooden protective planking areas you use them to advantage to cover the lines of the hatch.  Some not too clever imagination is required -there's not usually much if any camber or sheer to consider on these vessels so decks are just nice easy flat sheets.  The main thing with a multicat is they have such low freeboard by design, you need to keep water out if it comes on-deck, hence I use the magnetic strip which works OK so far anyway.  In my designs the 20mm diameter props are set very shallow and they aerate a good bit in reverse, but I don't even have rudders and the model and it will spin on a sixpence with tank steering or a mix or using a very basic mix on my non-computer transmitter, forwards or backwards it was almost too easy to steer last time I had it out.


Hope that inspires you to have a bash,


Rich

My multicats are bit smaller but the geometries are all the same...
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Trucker

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Re: Usable plans
« Reply #9 on: July 23, 2022, 06:56:28 am »

hi Rich
thanks for your input on getting my free GA drawings printed, strangely i havent had any replies from the emails ive sent out to local printers so guessing there just not interested, im sure if i sit down and used the manual method using a ruler etc i could get the results.


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RST

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Re: Usable plans
« Reply #10 on: July 23, 2022, 09:03:42 am »

Quote
i havent had any replies from the emails ive sent out to local printers so guessing there just not interested
Hi,
...What did you ask them and what kind of response were you expectng?  I don't find it strange, a printer doesn't want one print on one enquiry, it's going to be more interested in more print runs () to even cover the cost of reading your mail in the first place.  Find a place that you can take a stick to and ask to print it to whatever.  Bear in mind though you need to be very sure the dimensions you want and you can't do a test print.  You need a ficed three points on the dwg to make sure they scale it right.  You may also find your .pdf file is blown up to large proportions it looks very pixelated when printed but I'm sure you are aware of that so you'll maybe have to get the ruler and straight edges out anyway.

Rich
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Trucker

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Re: Usable plans
« Reply #11 on: July 27, 2022, 09:39:15 am »

Is it necessary to work out the scale of the GA drawing of the work boat that I down loaded before I can sort the scale out for a model  ok2


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Circlip

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Re: Usable plans
« Reply #12 on: July 27, 2022, 11:21:47 am »

Hull length on PDF measures  120mm. Tell the print company what size you want this measurement to be. If you want to build to a specific scale, determine finished length from full size spec and use that for hull length detail. It may be necessary to split the drawing into smaller sections (electronically) to use more convenient paper sizes for printing. Not difficult.


  Regards  Ian.
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Rob47

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Re: Usable plans
« Reply #13 on: July 27, 2022, 08:00:42 pm »

Best printers to use are those that print for Architects and engineering companies. Avoid Staples etc. like the plague.


   Regards  Ian.


Although Staples are no longer here the gloucester branch was fantaqstic. 15 foot plans on hard paper 20, they were like that wih all my plans, shame they have gone, at least they understood models


Bob
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Circlip

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Re: Usable plans
« Reply #14 on: July 28, 2022, 11:27:29 am »

That you received a reliable service from them Rob is good but there were numerous complaints on this and other forums about the poor and expensive services of non specialised suppliers. I was quoted 5 for an AO print from a commercial printer when high street sources were charging far more for variable copies.


  Regards  Ian.
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dougal99

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Re: Usable plans
« Reply #15 on: July 28, 2022, 11:43:12 am »

I have had a very acceptable service from high street copiers over the years and all for around a fiver.  :-))
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Trucker

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Re: Usable plans
« Reply #16 on: July 31, 2022, 08:56:16 pm »

wow, how stressful is this. had my forth refusal from a printer this weekend, appears most of the explanation is cost, ive down loaded fusion 360 to try but thats a long learning curve, my scanners not performing, looked at some thing i found from adobe called adobe x, that didnt load correctly, so my option are, sinking.


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Circlip

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Re: Usable plans
« Reply #17 on: August 01, 2022, 11:24:58 am »

What's the problem with the scanner Trucker? and the need for Fusion or Adobe? If you want a series of scaled up drawings from the original posting, just say how big, over the bumpers, you want. Original full size spec gives LOA but doesn't say if that's the hull length or over bumper size. There are smaller print shops that are also suppliers of graphics items rather than the big box stores. What question are you asking the printers you have contacted? Can't see the reluctance if you're only asking for prints or you asking them to do the scaling etc.?


  Regards  Ian.
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nemesis

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Re: Usable plans
« Reply #18 on: August 01, 2022, 12:54:41 pm »

Maybe the problem is that you not go to the printers in person, I must admit that I just turn up and get it done, never had a problem with that apart from one who was fastidious over copyright. nemesis
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Re: Usable plans
« Reply #19 on: August 01, 2022, 04:31:47 pm »

I rescaled the .pdf to 1/50 scale based off the full-size dimensions given in the datasheet, so it's easy to resize to all the various common Euro scales by multiplying by a whole number.  Printing 2x larger gets you 1/25th scale, which is a common scale for boats and cars, so you get premade rail stanchions, doors, oil drums, etc...


Trucker, you need to find oversize print shops, not commercial print houses.  The former do one-off jobs for architects, surveyors, mineral exploration groups, etc.  The latter only print pamphlets, books and cards by the thousands. 
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Trucker

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Re: Usable plans
« Reply #20 on: August 01, 2022, 07:17:15 pm »

hi. all
i look on google for my local printers, give them a call  %%  ask them if they can print over size plan / diagrams, i have been asked to the pdf file of the boat in question, which i do, then get a call, sorry cant do,
i would love to do this on my own scanner but my printer tells me its off line, and cant solve that problem either
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Circlip

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Re: Usable plans
« Reply #21 on: August 02, 2022, 10:04:30 am »

Might seem to be a silly question but are you supplying the two sheet PDF you've originally posted? If so, in asking for 'Oversized' prints, they may be assuming you want the length specified on the spec sheet. If you can give a PDF of the finished size you want, it may provide a different answer.


  Regards  Ian.
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Trucker

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Re: Usable plans
« Reply #22 on: August 02, 2022, 06:25:37 pm »

hi, ian
have you received my latest pm regarding the info you asked about. i sent it from my phone


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Circlip

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Re: Usable plans
« Reply #23 on: August 03, 2022, 08:57:44 am »

Got the original P/M but not clarification re hull or bumper.


  Regards  Ian.
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