There has been a lot of opinions shared about the new seats on the Greater Anglia replacement rolling stock, so I'd thought I'd share mine. However my opinion is influenced by some facts and some experience.
I was lucky enough to visit the Bombardier factory last week as part of a stakeholder visit, to see the mock up of the interior of the new Adventra Class 720 being designed for Greater Anglia. I'm only going to discuss one aspect of the visit, my experience of the seats.
Firstly they are not the infamous Fainsa seat used in the Class 700, but a different model. I sat in them for around 45 minutes during the visit, which I think is a fairly average time for a GA commuter (comparable to WTM-LST or RLG-LST) with many sitting less and a few for a longer period. My impression was that they were firm, but not uncomfortable. Of course they have the high seat backs of the modern seat and they are much more upright that the seats in the class 321's, which I find fairly uncomfortable to sit in because of their low cushion height and ridiculous seat back angle. I had travelled the first part of the way to Derby in a 360, so it was interesting to compare the experience. They were quite similar but I would say the new seats were firmer, although they may be because they are new and hadn't had tens of thousands of bottoms on them like the one in the 360!
While I was there I deliberately asked to sit in the 'worst' seats in the mock up, e.g the ones with the most restrictive leg room. These are 2 airline seats, which typically are the last ones in the carriage at the end. They make up about 2% of the seats of a class 720/5 (5 car unit) or in real numbers there are 5 pairs or ten seats in the unit. Every other seat has more leg room and the priority seat pair nearest the doors have much more leg room than most.
Here is a picture of my legs when stretched out in these seats:
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As you see, the cantilevered seat support in front stops me stretching out too far, but for someone with a dodgy knee like me, there was reasonable room to stretch out. Seat pitch for these worst seats is 30" in airline measurements.
Here is a picture of the legs of a 6' 2" Bombardier Engineer sitting in the same seat, which he kindly did so I could get a better angled picture
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So generally I think most people will be fairly comfortable, even in these worst airline seats. Note the seat back tables, they will have a novel set of grooves in them so people can stand up iPads and phones on them without slipping, powered either by the 3 Pin plug or the 2 x USB sockets which are situated between each pair of seats.
Finally, just to prove I'm not a cheerleader for GA, here is a picture of the daft 3 x Airline seats, which they have shoehorned in to meet the DfT target number of seats. Thankfully there will be only 4 sets of these in a 720/5 and 7 in a 720/1 10-car.
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I doubt they will see 3 people in them very often, unless you have a family or 3 friends travelling off peak. I expect the middle one to be usually empty in the peaks.