Difference between revisions of "SgWiki:Definition of bus variant (Poll/Discussion)"

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Dear editors,
Dear editors,


Regarding to the previous debate on renaming, please give your opinion on what constitute as a variant below.
Regarding to the previous debate on renaming, please give your opinion on what constitute as a variant below.


==Your Opinion Below==
==Result==
 
To all editors, sorry for the late result. Some pages will be renamed to include emission as part of variant according to concensus.
===Opinion 1===
I may not be able to convey my thoughts in a better way, but I will do my best to pen down my opinion here.


*Scania K230UB
**Rename exercise will be conducted to separate Euro emission and Batch number into 2 separate brackets.<br>Scania K230UB (Euro IV Batch 1) → <font color="#01796F"><b>Scania K230UB (Euro IV) (Batch 1)</b></font><br>Scania K230UB (Euro IV Batch 2) → <font color="#01796F"><b>Scania K230UB (Euro IV) (Batch 2)</b></font><br>Scania K230UB (Euro V Batch 1) → <font color="#01796F"><b>Scania K230UB (Euro V) (Batch 1)</b></font><br>Scania K230UB (Euro V Batch 2) → <font color="#01796F"><b>Scania K230UB (Euro V) (Batch 2)</b></font>


*MAN NL323F
**Rename exercise will be conducted to include Euro emission.<br>MAN NL323F (Batch 1) → <font color="#01796F"><b>MAN NL323F (Euro V) (Batch 1)</b></font><br>MAN NL323F (Batch 2) → <font color="#01796F"><b>MAN NL323F (Euro V) (Batch 2)</b></font><br>MAN NL323F (Batch 3) → <font color="#01796F"><b>MAN NL323F (Euro V) (Batch 3)</b></font><br>MAN NL323F (Batch 4) → <font color="#01796F"><b>MAN NL323F (Euro VI)</b></font>
**No renaming for MAN NL323F (3-Door).
**SG3100M will not be placed in MAN NL323F (Euro V) (Batch 2), a new page will be created after make & model are finalised on OM.


In my perspective, a variant is a bus that has many distinct characteristics from another bus under the same bus model. This applies to a demonstrator as well.  
*MAN ND323F
**Rename exercise will be conducted at a later date to include door variants, euro emissions.
**Details of this rename exercise will be posted at a later date.


*ADL E500
**Rename exercise will be conducted at a later date to include door variants.
**Details of this rename exercise will be posted at a later date.


==Your Opinion Below==


Voicing out my second debate.
===Opinion 1===


In the previous renaming debate, I have provided reasons on why the Scania K230UB batches should still be exceptionally classified by Euro emissions. However, I also stated my objections on the ND323F A95/NL323F A22 renaming solely and mainly because of the specifications of SG2017C. Other users have also pointed out the concern about SG2017C's classification as well.
I may not be able to convey my thoughts in a better way, but I will do my best to pen down my opinion here.


With reference to admin Supernutorcrazy's puzzlement with the example of the A22, I would have agreed that A22 batches can be classified by Euro emissions as there is no A22 with MAN Lion City Hybrid bodywork having Euro VI emissions.


If admin Supernutorcrazy has in mind that standardisation needs to take place, I will also like to provide my school of thought with reference to admin SMB315C's opinion during the 1st round of discussion.


"We will discuss and reconsider about this matter when the registration of the 50 3-Door Euro 6 A95s commence."
In my perspective, a variant is a bus that has many distinct characteristics from another bus under the same bus model. This applies to a demonstrator as well.


This leaves us thinking about how SG5999Z should be reclassified as it is registered alone with Euro V emissions. Same applies to SG2017C. As of now, I would find it very hard to get a good standardisation of the A95s. Where do I start? I will try to put a draft classification here even though I doubt many people would agree with it. On a side note, I think there is no choice but to classify SG2017C as a demonstrator if standardisation must take place, since it is the first Euro VI public bus.
~ Wekelwrady


'''MAN ND323F (Demonstrators)''' -- SMB5888H, SG5999Z, SG2017C
===Opinion 2===


'''MAN ND323F (Euro V Batch 1)''' -- SMB5889E - SMB5904U
As I have mentioned in my opinion from the previous debate, the label "Variant" is to differentiate different batches of bus models. Currently, they are already differentiated by bodywork and number of doors on the bus. I do not see why these bus models cannot be fully differentiated by emission. After all, it is also a way of differentiating different batches better. While it may not be visibly seen, emission is also a key aspect of differentiating between batches of buses of the same model as well.


'''MAN ND323F (Euro V Batch 2)''' -- SG5740C - SG5799J
~ Themystery


'''MAN ND323F (Euro V Batch 3)''' -- SG5800M - SG5920A
===Opinion 3===


'''MAN ND323F (Euro VI Batch 1)''' -- SG5921Y - SG6171M
In my opinion, my definition of bus variant I would say that it is an example of MAN ND323F Euro 5 Batch 1, Batch 2, Batch 3, Euro 6 Batch 1, Batch 2, MAN NL323F Euro 5 Batch 1, Batch 2, Batch 3, Euro 6 Batch 1, Scania K230UB Euro 4 Batch 1, Batch 2, Euro 5 Batch 1 and Batch 2.


'''MAN ND323F (Euro VI Batch 2)''' -- SG6172K onwards
~ Erwinlee95


'''MAN ND323F (3-door)''' -- Production batch for 3-door A95s, assuming everyone knows that all of them are Euro VI and gets used to the classification.
===Opinion 4===
* The problem now is that users still treat a new Batch as if it is a new variant (so naming is definitely a related relevant issue).
* For buses procured under BCM, abolish the concept of Batches altogether as subsequent batches are likely to be mechanically identical. Now in retrospect and with a bigger picture there are very few meaningful differences to treat each Batch as a variant.
** For example, there is really little point differentiating B9TLs by batches these days if they are going to be passed around between operators, causing a lot of unnecessary work on wiki as users have to look up which Batch it belongs to. Likewise nobody really cares which Batch any Euro V Citaro is when they are all mechanically similar and look similar (especially the SBST order Citaro).
* The main issue is with how the MAN buses are defined as a variant. This is what is causing all these confusion. Euro V mechanical specs are identical across the board. Likewise for Euro VI. The main changes come from the bodywork design and exterior. I expect more bodywork variants in future. So for each noticeable change in bodywork I would confine the variant to bodywork only and name it as such - and so designate as Gemilang Mark I, Gemilang Mark II, ... , Gemilang Mark IX, Gemilang Mark X, etc.
** Currently I consider the MAN A95 to have four variants, Gemilang Mark I to Gemilang Mark IV. Gemilang Mark III bodywork covers the case of SG2017C against other production Euro V which is probably causing all these headaches - a newer engine on an older bodywork.
*** In other words, I consider the smaller EDS, larger EDS and the latest batch of Euro VI A95 to be of the same variant - Gemilang Mark IV bodywork.
*** SG5999Z will be of Gemilang Mk II bodywork.
** The Euro V A22s would be Gemilang Mark I, SG4002G be Gemilang Mark II, Euro VIs be Gemilang Mark III, etc. They are marketed as Lion’s City SD products, as should reflect as such rather than Lion’s City Hybrid (which causes confusion - none are actual hybrid buses!)
* Where there is no change in bodywork but an evolution in the chassis, the mechanical distinction has to be sufficient to be deemed a new variant. As others pointed out emissions is definitely one, as with a newer engine model.
* Therefore there should be an emphasis on Euro emissions. This is already the case for K230UBs.
* Where buses were procured before BCM by operators, retain the Batches as is for historical reasons until an agreed standard is found.


This is just what I think in a scenario where standardisation of fleet classification has to take place, in which however, I don't think standardisation across all model pages is possible and each model has a different scenario in specifications and batch registrations. I hope this opinion can help convey what I mean.
- Mailer diablo

Latest revision as of 22:25, 15 October 2020

!
DISCUSSION ENDED
!
The discussion had ended.

Dear editors,

Regarding to the previous debate on renaming, please give your opinion on what constitute as a variant below.

Result[edit]

To all editors, sorry for the late result. Some pages will be renamed to include emission as part of variant according to concensus.

  • Scania K230UB
    • Rename exercise will be conducted to separate Euro emission and Batch number into 2 separate brackets.
      Scania K230UB (Euro IV Batch 1) → Scania K230UB (Euro IV) (Batch 1)
      Scania K230UB (Euro IV Batch 2) → Scania K230UB (Euro IV) (Batch 2)
      Scania K230UB (Euro V Batch 1) → Scania K230UB (Euro V) (Batch 1)
      Scania K230UB (Euro V Batch 2) → Scania K230UB (Euro V) (Batch 2)
  • MAN NL323F
    • Rename exercise will be conducted to include Euro emission.
      MAN NL323F (Batch 1) → MAN NL323F (Euro V) (Batch 1)
      MAN NL323F (Batch 2) → MAN NL323F (Euro V) (Batch 2)
      MAN NL323F (Batch 3) → MAN NL323F (Euro V) (Batch 3)
      MAN NL323F (Batch 4) → MAN NL323F (Euro VI)
    • No renaming for MAN NL323F (3-Door).
    • SG3100M will not be placed in MAN NL323F (Euro V) (Batch 2), a new page will be created after make & model are finalised on OM.
  • MAN ND323F
    • Rename exercise will be conducted at a later date to include door variants, euro emissions.
    • Details of this rename exercise will be posted at a later date.
  • ADL E500
    • Rename exercise will be conducted at a later date to include door variants.
    • Details of this rename exercise will be posted at a later date.

Your Opinion Below[edit]

Opinion 1[edit]

I may not be able to convey my thoughts in a better way, but I will do my best to pen down my opinion here.


In my perspective, a variant is a bus that has many distinct characteristics from another bus under the same bus model. This applies to a demonstrator as well.

~ Wekelwrady

Opinion 2[edit]

As I have mentioned in my opinion from the previous debate, the label "Variant" is to differentiate different batches of bus models. Currently, they are already differentiated by bodywork and number of doors on the bus. I do not see why these bus models cannot be fully differentiated by emission. After all, it is also a way of differentiating different batches better. While it may not be visibly seen, emission is also a key aspect of differentiating between batches of buses of the same model as well.

~ Themystery

Opinion 3[edit]

In my opinion, my definition of bus variant I would say that it is an example of MAN ND323F Euro 5 Batch 1, Batch 2, Batch 3, Euro 6 Batch 1, Batch 2, MAN NL323F Euro 5 Batch 1, Batch 2, Batch 3, Euro 6 Batch 1, Scania K230UB Euro 4 Batch 1, Batch 2, Euro 5 Batch 1 and Batch 2.

~ Erwinlee95

Opinion 4[edit]

  • The problem now is that users still treat a new Batch as if it is a new variant (so naming is definitely a related relevant issue).
  • For buses procured under BCM, abolish the concept of Batches altogether as subsequent batches are likely to be mechanically identical. Now in retrospect and with a bigger picture there are very few meaningful differences to treat each Batch as a variant.
    • For example, there is really little point differentiating B9TLs by batches these days if they are going to be passed around between operators, causing a lot of unnecessary work on wiki as users have to look up which Batch it belongs to. Likewise nobody really cares which Batch any Euro V Citaro is when they are all mechanically similar and look similar (especially the SBST order Citaro).
  • The main issue is with how the MAN buses are defined as a variant. This is what is causing all these confusion. Euro V mechanical specs are identical across the board. Likewise for Euro VI. The main changes come from the bodywork design and exterior. I expect more bodywork variants in future. So for each noticeable change in bodywork I would confine the variant to bodywork only and name it as such - and so designate as Gemilang Mark I, Gemilang Mark II, ... , Gemilang Mark IX, Gemilang Mark X, etc.
    • Currently I consider the MAN A95 to have four variants, Gemilang Mark I to Gemilang Mark IV. Gemilang Mark III bodywork covers the case of SG2017C against other production Euro V which is probably causing all these headaches - a newer engine on an older bodywork.
      • In other words, I consider the smaller EDS, larger EDS and the latest batch of Euro VI A95 to be of the same variant - Gemilang Mark IV bodywork.
      • SG5999Z will be of Gemilang Mk II bodywork.
    • The Euro V A22s would be Gemilang Mark I, SG4002G be Gemilang Mark II, Euro VIs be Gemilang Mark III, etc. They are marketed as Lion’s City SD products, as should reflect as such rather than Lion’s City Hybrid (which causes confusion - none are actual hybrid buses!)
  • Where there is no change in bodywork but an evolution in the chassis, the mechanical distinction has to be sufficient to be deemed a new variant. As others pointed out emissions is definitely one, as with a newer engine model.
  • Therefore there should be an emphasis on Euro emissions. This is already the case for K230UBs.
  • Where buses were procured before BCM by operators, retain the Batches as is for historical reasons until an agreed standard is found.

- Mailer diablo