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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Outlining the specifications for different types of driving seat positions and related controls.

Identifier  ExFiles\Box 14\4\  Scan067
Date  28th August 1928
  
BY.{R.W. Bailey - Chief Engineer} from DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork}

c. to BJ. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair}
c. to Mr. Burton.

X7500

BA/EV{Ivan Evernden - coachwork}2/28.8.28.

'SS{S. Smith}'
X7830 X.7500
DRIVING SEAT POSITIONS. X7430 X.7311

We send herewith N.sch. 2646/8 shewing the following features for 'C', 'D' and 'E' type steering on SS.{S. Smith} The special angle steering should be left over for the present.

PEDALS.
The pedals for 'D' and 'E' type steering are exactly the same (see N.sch.2671) Those for 'C' type only differ from these in the angle and position of the pedal plates. Would Derby kindly set these out.

FOOTBOARDS & DASHBRACKETS.
These will be the same for 'C', 'D' and 'E' type steering. A design will follow in due course.

STEERING COLUMN.
Columns 'D' and 'E' are the same length and are alike. The 'C' type column has a separate length. The column itself is that used on EAC.7, except that we have to send you a scheme for the 18.750 ins. dia. steering wheel. The support brkt. for the columns in each case is that on N.sch.2210.
We believe that this information will enable Derby to instruct the steering column.

CAST DASH.
The dashboard is the same as that for EAC.8, except for the modifications shewn on these schemes and N.sch.2671 and 2646. If Derby will set out the castings, and layout the wiring etc. as for the latest EAC.8, we will send instructions for the moved position of the autovac tank.

SIDE LEVER MECHANISM.
The brake lever and quadrant are those for India.3. but having lengths and anglar positions as given on N.sch.2646.
The gear lever and gate scheme is that used on India.3, and modified as shewn on N.sch.2634. It will be noticed that there are only two lengths of gearlever and brake lever, 'C' and 'D' type being alike. Also, there are only two angular setting of the levers, 'D' and 'E' type being alike.

It may be found advisable to offer to fit either the 'C' type lever to 'D' type cars when a body which is wide is called for, or [strikethrough]to fit[/strikethrough] the type 'E' lever when the body is streamline. This could be indicated on the chassis print.
We hope that this will be sufficient information to enable Derby to get out the side levers.
Would you kindly arrange for Mr. Burton to have print of N.sch.2646-8 if this is in order.

DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork}
  
  


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