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 Will I see much difference on curves by moving from 765mm radius to 920 mm ?

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ExeterChris




Location : Exeter

Will I see much difference on curves by moving from 765mm radius to 920 mm ?  Empty
PostSubject: Will I see much difference on curves by moving from 765mm radius to 920 mm ?    Will I see much difference on curves by moving from 765mm radius to 920 mm ?  EmptySun Aug 28, 2011 8:36 pm

LGB Radius 2 track is 765 mm radius, and PIKO do some that is 920 mm radius - so an extra 15.5 cm radius.

LGB radius 3 track at 1175 mm is almost certainly too big for me to fit in the space i have although I do consider 'leading' track in i.e. r3 track-r2-track-r1 (bit) - r 3 track.

The general rule is that bigger is better and I'd like a PIKO railbus for flavour but with individual units at 50 cm long then my cardboard mock up (see blog) looks a bit unweildy.

Will I see any difference visually (or operationally) if I move to the wider radius PIKO track ?
(At the moment I've mostly got 300mm two axle stuff with a couple of longer items).
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clive_t

clive_t


Location : Portsmouth, England

Will I see much difference on curves by moving from 765mm radius to 920 mm ?  Empty
PostSubject: Re: Will I see much difference on curves by moving from 765mm radius to 920 mm ?    Will I see much difference on curves by moving from 765mm radius to 920 mm ?  EmptySun Aug 28, 2011 9:10 pm

Can't comment on Pikey Railbus, as I don't own one - however I can tell you that the LGB pignose is not a huge fan of R2's... it will go round them, but the wheels do rather squeal a lot! In theory though, any LGB stock should negotiate an R1 never mind an R2 (albeit with some breathtaking overhang on a 2-10-2 for example), so I would have thought you'd be OK. Your transition curve idea is a good one, I know several people who have used that trick.

Personally I'd be inclined to go for as big a radius as I dared, and disguise any sharp curves with, say, buildings or earthworks, such as a cutting or similar.

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Cheers,

Clive

Fat Controller of the Great Unfinished Railway, formerly the S&CGR
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KleineDicke

KleineDicke


Location : Deep in the Heart of Texas (Houston)

Will I see much difference on curves by moving from 765mm radius to 920 mm ?  Empty
PostSubject: Re: Will I see much difference on curves by moving from 765mm radius to 920 mm ?    Will I see much difference on curves by moving from 765mm radius to 920 mm ?  EmptyMon Aug 29, 2011 3:21 am

You will likely "see" a difference. Will it run better? I have read it runs OK on R1, but doesn't like reverse curves. Check out this over on "another forum".
http://www.gscalecentral.co.uk/f/tm.aspx?m=70888

_________________
Bill Wray

"It is one of the happiest characteristics
of this glorious country that official utterances are invariably
regarded as unanswerable."
-Sir Joseph Porter, First Lord of the Admiralty (HMS Pinafore)
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Will I see much difference on curves by moving from 765mm radius to 920 mm ?  Empty
PostSubject: Re: Will I see much difference on curves by moving from 765mm radius to 920 mm ?    Will I see much difference on curves by moving from 765mm radius to 920 mm ?  Empty

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