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).
Technical memo discussing bonnet fitting, concealed hinges, and Ternstedt door stops for various car models.
| Identifier | ExFiles\Box 167\1\ img064 | |
| Date | 27th October 1936 guessed | |
| (4) it is necessary for the original packing to allow for this. The amount is on the average 1/16". With this scheme it is considered advisable to locate the bonnet endways in both directions at the radiator end, and specify a clearance for the coachbuilder to work to at the rear. It may also be necessary to fit a rubber flap around the edge of the dash to blank off the heat from the scuttle top and sides. As an alternative to carrying the bonnet on the scuttle it is proposed to try a fine bead to mask the difference in shape and position between the bonnet and scuttle outlines. This scheme would apply to the Bentley and 25/30 until such time as Wraith and Bentley III are introduced. It is suggested that the Sales Department should bring through one or two stock cars fitted with a bead of small dimensions so that the Administration may judge of the appearance. Concealed top hinge - Bonnet. The principle of this limits the angle of operation to 135° and it is necessary to provide some means of propping up the bonnet side plate. The scheme is to carry a prop on the triangular stay on Phantom III and on the dash in the case of Bentley and 25/30. The difficulty of fixing the top hinge to the heavy gauze at top plate without using visible rivets is being investigated. There is no difficulty with a steel bonnet as spot welding can be used. Steel bonnets however become unsightly due to rusting on the ends. Door Stops - Ternstedt. It was agreed that Mr. should enquire from Park Ward's and Vanden Plas as to their experience with the silent travel lock on both saloons and coupés. We regard this type of lock favourably and recommend its use to coachbuilders, but where the ordinary type of lock is preferred by the coachbuilder we do not | ||