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my understanding was that
class 57 - HS4000/Kestrel (later reused)
class 54 Deltic (prototype for class 55)
class 51 Lion
class 49 DP2
class 39 10203 (effectively prototype for class 40)
class 38 10201, 10202
class 36 10001, 10002 (essentially mechanically an early attempt at a class 37)
class 34 ?Clayton DHP1?
The Fell locomotive doesn't fit in, nor do the two GWR gas turbines. None lasted long enough to be relevant. Likewise 10800, which was re-engineered into "Hawk"
If DHP1 had actually been class 32, then 10000-10001 could have moved to class 34. If 36 was then used for 10201-2,AND the higher rated 10203 then that would release 38/39 for the two turbines (I'm assuming GT3 was ignored as being a proxy steam engine......) However doing that puts the class sequence out of order when compared to the power ratings
Last edited by randyrippley; 7th September 2016 at 22:16.
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