The 'Borismaster'/New Bus For London/Routemaster 2/whatever you want to call it is nothing more than a catastrpohic waste of taxpayer's money on a pointless vanity project. At a time when belts are being tightened it beggars belief that one of the top priorities of our capital city is to have its very own bus designed when there are so many perfectly acceptable products readily available. TfL already graces itself with some very substantial sets of specifications, which cause considerable cost to the manufacturers who have to essentially engineer every new design of vehicle to be suitable for London, before reverting back to the less complex set of standards which oddly enough are deemed perfectly acceptable in every other part of the country. Presumably the average London bus passenger, if confronted with a bus built to non-TfL specifications, would of course be able to immediately point out all of the highly significant differences and would refuse to travel on such a vehicle :roll: I would be enormously surprised to see anything other than a tiny fleet of the Borismaster ever enter service, in London or anywhere else. They're too expensive, too obscure, and offer far too little over other vehicles to ever justify their extraordinary expense.
As for the above mentioned problem of modern buses being flimsy, we can thank the EU for that. As regulations slowly strangle vehicle design further and further, manufacturers must contend with less efficient engines and the need to fit more and more gear to their vehicles. The result is buses which are increasingly thirsty and in many cases approaching double the weight of their counterparts of a generation or two back. Compulsory low floor chassis and the need to lug around tanks of AdBlue and so on are leading to buses with eyewatering unladen weights, before a single passenger even boards. To give an illustration of how bad things have got, your average full size single decker bus in the days before low floors came along, would generally offer about 52 seats with an unladen weight well under 10 tons. Back in the day, a Routemaster would offer somewhere in the region of 70 seats in a double decker with a weight of, I believe, about 8 tons. Fast forward to now, and the 54-plate Scania single deckers that I used to drive offered 41 seats, in a full length bus, with an empty weight of a whopping 11.5 tons! The late-90's Volvo B10BLE/Wright Renown's that we also ran - a superb bus by the way! - fared a little better, managing 44 seats and about a ton lighter, but still a very heavy vehicle. This was before the advent of the dreaded AdBlue, which ads still further the weight of another tank of fluid.
The result of all this nonsense is that manufacturers are under constant pressure from operators to reduce weight, and the best way they can do this is by making the bodywork lighter, taking out strength and replacing it with flimsy fibreglass. Hence tangles with stout branches and the like, which a few years ago would have resulted in a simple repair, are now regularly removing entire upper deck roofs with ease. By the same token if you take a look at any modern bus which has had a heavy front corner impact, you will frequently see the whole structure of that part of the vehicle has been wiped out, as again it is little more than fibreglass. It's a popular material as it stands up well to the sort of low impact bumps that buses are often subjected to, flexing and cracking and allowing an easy repair with a blob of filler, but you don't want a sheet of the stuff protecting you in a serious smash.