DfwRevolution
Topic Author
Posts: 9011
Joined: Sat Jan 09, 2010 7:31 pm

717 Engine Options?

Sun Mar 21, 2004 12:08 pm

I was looking at 717 orders on Boeing's website when I noticed something odd-

http://active.boeing.com/commercial/orders/displaystandardreport.cfm?optReportType=Order&cboStartMonth=02&cboStartYear=2004&cboEndMonth=02&cboEndYear=2004&optDateRange=All&optCustInfo=Customer&cboCustomerName=AllCustomers&cboCountryName=&cboRegionName=&optModelInfo=CurrentModels&cboCurrentModelName=717&cboAllModelName=&cboAllMinorModelName=&optSort=Customer&ViewReportF=View+Report

In the column listing engine choice, there are two abbreviations listed- RR (which I assumed stood for Rolls Royce BR715) but then I saw another- BR. I’m aware that the 717 has the BR715-A1 for the Base Gross Weight and the BR715-C1 for the High Gross Weight models.

I'm assuming that RR and BR abbreviations differentiate between the Base and HGW engine options, but which abbreviation is which?

Thanks,
DFW
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manzoori
Posts: 1459
Joined: Sun Sep 22, 2002 7:08 am

RE: 717 Engine Options?

Tue Mar 23, 2004 7:33 am

Hi DFW,

It's possibly to do with the fact that the BR715 engine was originally the lovechild of a union between BMW and Rolls-Royce. The aero engine division of BMW has since been absorbed into Rolls-Royce's global structure as Rolls-Royce Deutschland.

Hope that helps.

Rez
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DfwRevolution
Topic Author
Posts: 9011
Joined: Sat Jan 09, 2010 7:31 pm

RE: 717 Engine Options?

Tue Mar 23, 2004 12:43 pm

That's what I was thinking, but there is no clear pattern to the BR or RR abbreviations. It isn't as if all the 717 orders before January 2000 are BR and all 717 after are RR, they are completely random. I think I might have figured it out, but I'd to run it by everyone to see if it makes sense-

The TWA 717 order is as follows-
Aircraft (engine) (date) (total ordered)
717-200 (BR) (31-Dec-1998) (1)
717-200 (RR) (31-Dec-1998) (23)

Since the order was on the same day, I don't think it had anything to do with BMW being absorbed by Rolls Royce. It makes more sense for TWA to order 23 Base Gross Weight and a singe HGW than 23 HGW and a singe Base Gross Weight. So I think the BR indicates the HGW 717 and the RR indicates BGW 717.

Is this a reasonable inference?

Regards,
DFW
I have a three post per topic limit. You're welcome to have the last word.

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