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Lone Star offered the 'Baby Deltic' - 10 in class, very short service life - in the Treble-O-Lectric range, back in the 1960's. It had all-wheel drive too, something not seen in OO RTR for another 30 years! There was a very good collector exhibition, local to the original factory site in Hatfield, held about two years ago.

 

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QUOTE (5696Arethusa @ 19 Dec 2007, 10:55) <{POST_SNAPBACK}>With Heljan having a seemingly successful prototype modelled, I've been thinking, (Yes it did hurt) what is the smallest class size and shortest lived class to have been produced RTR and therefore what may be considered in the future?

And with the NRM/Bach DP1, and Murphy/Bach 141, giving every indication of similar success, the door looks to be open for any twin bogie type that has a reasonable following. Richard's suggestion of the LMS 'twins' would be likely winners (the market cannot be saturated with the FiaTrains brass offering), DP2, Lion, Kestrel, the 1st gen Bo-Bo diesel failures various, the 1st gen AC electrics...

But exciting as this prospect may be, won't 'somebody' do the HST power cars to current standards first?