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The Genesis Effect (Trekkies on here will know!) Let the terra-forming begin or fun with nasty chemicals!


Re6/6

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The first area to be 'terra-formed' has now been done.

 

Two of the main reasons for doing it this way is for lightness and durability. Using traditional plaster bandages, they're too easily damaged as I found out on Matford. The whole area is only supported along the edges with the chicken wire doing all work keeping all in place. It may need an second coating with resin as I've missed a few bits here and there. I'll see when it's all cured nice and hard, and of course it adds virtually no extra weight.

 

The materials that I've employed are used in the marine repair business and are freely available from any good chandlery.

 

The chopped strand fibreglass matting is impregnated with polymer resin & catalyst and forms a very hard and durable surface. The job ideally should be done in the open air as the smell is very persistent. At the moment the section is in the garage while it cures but with all the doors shut I can still smell it! Hopefully by tomorrow that should've disappeared.

 

Next to come will be brown earth paint prior to gluing down hanging basket line similar to the old hairy carpet underlay.

Then it will be selectively pulled off and treated with various scenic methods. I intend to experiment with the 'Grasmaster' used on top of the pulled off liner.

 

There still a lot more to do with the main structure before any scenics are done.

 

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12 Comments


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That last pic looks just like the ouse valley mists swirling around the viaduct bases... a bit like this morning ;-)

Lovely - looking forward to scaleforum.

 

Despite checking all the photos several times... couldn't see the Vulcan child anywhere

J

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Which of those ingredients is the unstable proto-matter?

 

Also when using glass matting like that, where it's exposed underneath, do you get problems with loose fibres or bits scratching your hands?

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  • RMweb Gold

I've heard of this method but not seen anyone actually using it. I'm just wondering if there's any way of tinting the resin before putting it onto the fibreglass in order to avoid any patches if the paint layer comes off - or does that not happen?

Will it float....?

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  • RMweb Gold

I've heard of this method but not seen anyone actually using it. I'm just wondering if there's any way of tinting the resin before putting it onto the fibreglass in order to avoid any patches if the paint layer comes off - or does that not happen? Will it float....?

 

Hi Rich, yes, special pigment is available. I'd never thought about it until I was told of it by a modeller on another forum who has sucessfully used it. I shall probably be ordering some shortly to use on future areas. After a night curing I'm very pleased indeed with the end result. It will now withstand knocks and bangs without chipping or breaking.

After further advice I'll probably bond a layer of fibreglass tissue in the areas where earth will be visible to mask the strands in the matting. As for what has been done so far it won't be a problem as it will be heavily overgrown with greenery.

 

Hi Will, No problem with the underside as the chicken wire has very effectively supported the matting and the bonding resin has done its job.

Regarding ingredients the chemicals are pretty foul but I hope that they won't become unstable!

 

Genearally speaking AFAIC this and polyfoam for general baseboarding is the only way to go in the future. However careful we were with Matford, which used the old plaster method, lumps kept coming apart!

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Nice work and good reference to one of my favourite films! Bet you didn't do it in 6 minutes though but yes you can cook!!!!

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  • RMweb Gold

Bit of green sawdust on there John and you will be well away! ;-)

 

Well done, looks really good. I will look forward to seeing it at Scaleforum, not long now!

 

Regards,

 

Nick

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  • RMweb Gold

Looking forward to catching up at scaleforum

Will definitely end up trying that technique for the ground works on cheddar, looks a massive improvement on plasrwe

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  • RMweb Gold

Thanks Rich. Yes AFAIAC this is now the only way to go for scenics and also polyfoam baseboards (where appropriate!)

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