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Search: Posts Made By: Joel N. Weber II
Forum: Transit and Infrastructure 05-20-2018, 07:21 PM
Replies: 207
Views: 34,702
Posted By Joel N. Weber II
Re: North Washington St Bridge

A one lane exit ramp through the park to North Point Blvd would probably help.
Forum: Transit and Infrastructure 05-20-2018, 06:51 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

That 400kWh of battery pack takes up about 90 cubic feet (when estimating based on Model S pack size; using the larger model 3 cells and changing the overall shape might reduce the size). ...
Forum: Transit and Infrastructure 05-20-2018, 01:15 PM
Replies: 510
Views: 65,979
Posted By Joel N. Weber II
Re: Logan Airport Capital Projects

Also:


34 - 16 - D St - TWT - airport loop
18 - D St - TWT - airport loop
Late night 57 extended to the airport loop


Also, some variants from Andrew Station to the Ted Williams...
Forum: Transit and Infrastructure 05-20-2018, 12:55 PM
Replies: 207
Views: 34,702
Posted By Joel N. Weber II
Re: North Washington St Bridge

Also, how many strokes happen in Charlestown during a 2 to 3 year bridge closure, and how much does keeping the bridge open to ambulances cost? It's quite possible that saving one or two Charlestown...
Forum: Transit and Infrastructure 05-20-2018, 12:52 PM
Replies: 207
Views: 34,702
Posted By Joel N. Weber II
Re: North Washington St Bridge

Google Maps seems to think ``Charlestown'' (it picks a point a bit beyond the Bunker Hill Monument) to MGH Fruit St Boston is 12 minutes right now via either the N Washington St Bridge or the...
Forum: Transit and Infrastructure 05-20-2018, 12:26 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

At https://teslamotorsclub.com/tmc/threads/railroad-trucks-with-batteries.115796/ I explore this in detail; 6' long x 4' wide x 30" tall inside the wheels, plus 6' long x 1' wide x 30" tall on the...
Forum: Transit and Infrastructure 05-20-2018, 10:46 AM
Replies: 510
Views: 65,979
Posted By Joel N. Weber II
Re: Logan Airport Capital Projects

Maybe Logan could use electric vehicles to tow airplanes?

https://electrek.co/2018/05/15/tesla-model-x-electric-towing-record-qantas-boeing-787-9-dreamliner/
Forum: Transit and Infrastructure 05-14-2018, 08:14 PM
Replies: 28
Views: 2,033
Posted By Joel N. Weber II
Re: New England Electrical Grid

I've read claims that the actual reason coal has been so slow to be phased out in Germany is that Angela Merkel has been more effective than Trump at preserving coal jobs for the sake of preserving...
Forum: Transit and Infrastructure 05-14-2018, 07:56 PM
Replies: 370
Views: 57,701
Posted By Joel N. Weber II
Re: Biking the Boston 'Burbs (Trails, MDC, & Towns beyond Hubway area)

What exactly prevented building parking protected bike lanes there, and what's the width of the street from curb to curb there?
Forum: Transit and Infrastructure 05-14-2018, 07:54 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

What percentage of the MARC Penn Line trains are using overhead power vs diesel these days, and how easy has MARC found Amtrak to be to work with at getting reasonable access to the overhead power at...
Forum: Transit and Infrastructure 05-14-2018, 07:51 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

http://ir.tesla.com/secfiling.cfm?filingID=1564590-18-10306&CIK=1318605 is focused on an expectation of profitability in Q3 and Q4:



I'm curious how the payments to CRRC for the Red and Orange...
Forum: Transit and Infrastructure 05-14-2018, 07:34 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

That's not what I've been suggesting. Instead, build brand new powered trucks where the batteries are built into the trucks, lift the existing coaches off their unpowered trucks, and insert the new...
Forum: Transit and Infrastructure 05-13-2018, 06:01 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

If we're trying to optimize 2030 reliability, one thing to think about is that recovering from fallen trees is faster when you don't have overhead wire. It's probably a minor thing, though.


...
Forum: Transit and Infrastructure 05-13-2018, 05:54 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

Given that https://reneweconomy.com.au/the-stunning-numbers-behind-success-of-tesla-big-battery-63917/ says ``The Tesla big battery in South Australia has already taken a 55 per cent share in the...
Forum: Transit and Infrastructure 05-13-2018, 05:50 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

Hydrogen is totally impractical in many ways. The compressors are probably 10x-100x more expensive than DC fast charge stations for a given amount of throughput; if you make hydrogen from...
Forum: Transit and Infrastructure 05-13-2018, 05:46 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

All automobile production has human beings involved in the final assembly, in a manner that might count as hand assembly except that maybe they have power tools in their hands.

And apparently...
Forum: Transit and Infrastructure 05-13-2018, 05:35 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: Third Rail

On the Old Colony Lines through Quincy, there is third rail on the adjacent Red Line tracks with no overhead power.

Third rail often uses voltages in the 600V to 750V range. All of the MBTA...
Forum: Transit and Infrastructure 05-13-2018, 05:24 PM
Replies: 28
Views: 2,033
Posted By Joel N. Weber II
Re: New England Electrical Grid

During one recent summer, one of the Millstone units was actually not running during the actual peak hour of the year because two of their four circulation pumps were out of commission, and then less...
Forum: Transit and Infrastructure 05-13-2018, 05:19 PM
Replies: 370
Views: 57,701
Posted By Joel N. Weber II
Re: Bike Lanes in Mt Auburn Bus Priority Project

Would narrowing the two typically 11' automobile travel lanes from Holworthy St to Norman St to 10' each be practical? That would free up 2' that could be used as a buffer between the parking and...
Forum: Transit and Infrastructure 05-13-2018, 04:32 PM
Replies: 5,219
Views: 629,063
Posted By Joel N. Weber II
Re: Newton commuter rail

Where does having usable Newton platforms on both sides fit in the priority list relative to the Worcester Union Station second platform?
Forum: Design a Better Boston 05-11-2018, 09:52 PM
Replies: 3,323
Views: 467,140
Posted By Joel N. Weber II
Re: Crazy Transit Pitches

Apparently the Neoplan Jumbocruiser (https://en.wikipedia.org/wiki/Neoplan_Jumbocruiser) was an articulated double decker bus.
Forum: Transit and Infrastructure 05-11-2018, 09:34 PM
Replies: 28
Views: 2,033
Posted By Joel N. Weber II
Re: New England Electrical Grid

CATL is not going to be able to produce enough batteries to reduce the demand for Panasonic's batteries; there's plenty of unmet demand for all the batteries both can manufacture.

And you don't...
Forum: Transit and Infrastructure 05-11-2018, 09:29 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

The Model 3 is currently the highest production quantity EV of any manufacturer at this point according to the link I posted above. And they're in the middle of ramping up production and working...
Forum: Transit and Infrastructure 05-11-2018, 09:11 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

If you were actually focused on reducing costs you'd be looking a lot more carefully at whether batteries would be cheaper than overhead wires.



Clearly we should electrify both buses and...
Forum: Transit and Infrastructure 05-11-2018, 08:02 PM
Replies: 132
Views: 8,846
Posted By Joel N. Weber II
Re: TransitMatters Regional Rail Plan

Do you have data on how effectively an investment in electric buses vs electric commuter rail will reduce cases of asthma? I've seen comments expressing concern about freeway pollution in Somerville...
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