Dapol Presflo Wagon Kits
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Time on my hands?
Hi All. I thought that I would have a go at “ kit building “ ? Which may end up with Bashing or bodging, I have just opened the packet. The first question is cement or weld, the instructions state that some parts may have to be trimmed, is this with a “ sand board “ as in the Ladies nail bar? or a needle file. I have begun kits before, but, don’t always finish them. One kit the Ratio bogie b passenger brake van, was going well but I was disheartened by all the fiddly bits of etched parts, and a pair of doors that went in back to front, and the glue was so strong that I couldn’t shift them. I will have to see how I get on? Any advice please. Best wishes Kevin
Staying on the thread Kevin.
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Cement versus weld. The big difference is that cements contain solvent and a lot of styrene, welds contain solvent and little or no styrene, and rely on melting both surfaces with solvent so that they weld together. The joint is usually not as strong as found with cement, but sufficient to keep the pieces together. Rule of thumb is the thicker the glue the more styrene monomer it contains. Disadvantage of solvent-based welds is that you only have seconds to do the job. That's why jigs to hold right-angled sections together are used, the weld is ls literally painted into the joint. Small parts are best dealt with using a very small drop of cement. Metal etch to plastic needs CA.
I found a combination of thin and thick solvent welds along with some plastic compatible CA for etched add-ons works well on most plastics.
Nigel
©Nigel C. Phillips
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Brian
OO gauge DCC ECOS Itrain 4 computer control system
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Staying on the thread Kevin.
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Staying on the thread Kevin.
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Nigel
©Nigel C. Phillips
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Staying on the thread Kevin.
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Three words - patience, patience and patience !!!
Read (and understand) the instructions/exploded drawings.
Dry fit parts first.
Don't rush anything - if you're not 100% sure, check again before applying any glue.
'Petermac
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Staying on the thread Kevin.
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Staying on the thread Kevin.
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The Lego store has pint and quart sized containers that you fill from the different bins, real mix and match. Plus the grandchildren use (and lose) quite a few.
Nigel
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Last edit: by Passed Driver
Staying on the thread Kevin.
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I usually use KD screws and whisker couplers.
NIgel
©Nigel C. Phillips
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Staying on the thread Kevin.
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Staying on the thread Kevin.
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Looks like you are up there without the paddle. Some tips shortly when I get in the computer.
Nigel
©Nigel C. Phillips
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Staying on the thread Kevin.
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Back again hopefully with some paddles to get you down the creek. Based on my own experience:
Paint. Vallejo acrylics. They go on smooth and flat with a good brush, especially the airbrush range, which has finer pigment particles. Nothing railway specific, but the range is big enough. Somewhere on the web are the color equivalents for the big four and BR. Paint one side at a time and allow to dry keeping the wagon flat. Helps to have a production line going. If you do 3 wagons at a time, the paint is usually dry on the side of the first one by the time you have done the last one.
Diluent. Do not use water, it just dilutes the acrylic and makes the paint weak. Use acrylic diluent. (This applies to all acrylic paints). Better repeated coats of thinned rather than one thick coat of undiluted.
Cleanliness. That plastic body needs to be grease-free. Quick wash and gentle brush in warm water with a drop of washing-up liquid, rinse well, pat dry with lint free paper towel ("Shop Towel"), and only handle by the top and bottom. Let dry overnight, or use the hairdryer on low.
Brushes. Use good quality sable or equivalent. Get these at an artist's supply shop. Keep them clean, never let paint dry on them.
Finish. Gloss acrylic after painting for transfer application. Brush on or rattle can.
Transfers. Try Robbies Rolling Stock, as they are full side transfers specifically designed for Dapol 5 and 7 plank wagons. Good selection of PO sides from the South East and London. Robbie recommends a very small drop of PVA in the water used to detach the transfer. Specials and one-offs as well.Bit thicker than regular transfers, takes a bit more work to get them into the crack between planks
Set and solve. Use a setting solution to get the transfer into the cracks, use a solvent solution to melt the edges into the background. I use Micro-Set and Micro-Solv. Full side transfers only need the setting solutions.
Finish. Matt acrylic after transfers are dry. Essential if using weathering powders. Brush on or rattle can.
Tools. Small sharp scissors, plastic tweezers (pointed and flat) for handing the transfer, sharp pin or needle for popping air bubbles, small plastic trays, water, shop towel.
If you need masking tape get the ones meant for model painting. They are low tack and thinner than regular masking tape. Tamiya or similar.
Try some small transfers to start with. How about some early BR ex-PO wagons painted grey, they just have a couple of small transfers at the bottom with the number and tare in white on black patches, plus white diagonals. If memory serves me you can get these from Modelmaster.Just checked, 2 different sets, includes the white diagonals.
There is a good reason why plastic wagon kits are less expensive than RTR ones fully painted and lettered (although Timpo printing not transfers, is used).
Be prepared for a few "well I never!" and "would you believe it?" moments. Nothing like letting it dry and realizing it is at a slight angle. %$#$%^& moment. Good soak in warm water will get it off, unless you gave it a coat of acrylic matt. Then you need some transfer remover.
Nigel
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Staying on the thread Kevin.
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Over here it's sold by Microscale Industries. emodels in Stoke on Trent sell it. As does Amazon UK.
Nigel
©Nigel C. Phillips
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