• Type 7 Overhaul Program

  • Discussion relating to commuter rail, light rail, and subway operations of the MBTA.
Discussion relating to commuter rail, light rail, and subway operations of the MBTA.

Moderators: CRail, sery2831

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  by orange1234
 
So does anyone know what kind of modifications will be done to the Type 7s? Will they receive AC traction motors?

  by RailBus63
 
Any pics of the repainted car?

  by number1tfan
 
orange1234 wrote:So does anyone know what kind of modifications will be done to the Type 7s? Will they receive AC traction motors?
Cool idea, I just love hearing the new cars whine.

  by MBTA3247
 
orange1234 wrote:So does anyone know what kind of modifications will be done to the Type 7s? Will they receive AC traction motors?
Unlikely. That would require the installation of an inverter, which would almost certainly require other stuff be moved around to make room for it. The benefits of AC traction over DC are too marginal to justify the cost of replacing the entire propulsion system, especially with the amount of debt the T already has.

  by type 7 3704
 
Plus the propulsion system is doing very good, so theres no need to replace them. Good ol' PCC technology.

Off-topic, but how much debt does the T have?

  by Gerry6309
 
type 7 3704 wrote:Plus the propulsion system is doing very good, so theres no need to replace them. Good ol' PCC technology.

Off-topic, but how much debt does the T have?
Type 7s do not use PCC technology. They are as modern as the LRVs were, the big difference is that troublesome components were re-engineered to make it more reliable. Foot pedal control does not mean PCC control.

The MBTA debt rivals that of the government... Only difference is that they aren't allowed to print money. :)

  by Arborway
 
I'm putting my vote in for "Bell chains replaced by bell tape".
type 7 3704 wrote:Off-topic, but how much debt does the T have?
Around 8 billion.

  by MBTA3247
 
Gerry6309 wrote:
type 7 3704 wrote:Plus the propulsion system is doing very good, so theres no need to replace them. Good ol' PCC technology.

Off-topic, but how much debt does the T have?
Type 7s do not use PCC technology. They are as modern as the LRVs were, the big difference is that troublesome components were re-engineered to make it more reliable. Foot pedal control does not mean PCC control.
I thought a lot of the Type 7 components were derived from their PCC counterparts (hence the greater reliability), whereas everything on the Boeings was a brand new design.

  by sery2831
 
I honestly think this rebuild wont have much to do with the propulsion system, since Breda just did this type of work on the cars. It's more than likely to be frame/body work. Maybe new floors, walls, lighting, and ASAs.

  by redline43
 
New destination signs! :-D

I wish...

  by Guilford Guy
 
Does that mean there may be kinki signs up for grabs... :-D

  by -Garrett
 
Just to reel this thing back in, could somebody please try to catch a photo of the newly repainted Type 7 ?

I for one an curious to see if they are going with that previously seen Green and Yellow experimental design, if it is a return to something more similar to what the LRV's were wrapped in.

  by RailFan2103
 
Guilford Guy wrote:Does that mean there may be kinki signs up for grabs... :-D
What did they do with the Kinki signs that were on the trains that already had their signs changed to LED?

  by AznSumtinSumtin
 
RailFan2103 wrote:
Guilford Guy wrote:Does that mean there may be kinki signs up for grabs... :-D
What did they do with the Kinki signs that were on the trains that already had their signs changed to LED?
They're not Kinki signs. They're roll signs. The roll signs did not change to LED. They were replaced with LCD signs.

  by sery2831
 
Lets stay off the signs topic, unless someone wants to go revive another thread...
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