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).
Page of questions and answers regarding mechanical settings for the Phantom model, including carburetter, fuel consumption, and brake adjustments.
| Identifier | ExFiles\Box 65a\3\ scan0053 | |
| Date | 1st August 1924 guessed | |
| -4- What are the mechanical settings for the carburetter jets? For 'Phantom' we give "two and a half turns for the high speed jet, and a little over three-quarters of a turn for the low speed jet". What should be stated as being a reasonable petrol consumption? For the 'Phantom' we mention 14 MPG "on dry level roads with a car of average weight and average load at reasonable touring speed". Handwritten: 12. M.P.G. What is mechanical setting for the starting carburetter needle valve? For the 'Phantom' we give one-quarter to three-eights of a turn. Handwritten: 1/3 Turn from jam turn The starter carb. is very sensitive and should not be moved more than 1/8 turn each way. BRAKE ADJUSTMENT. Movement of cables to cause hand-applied brake shoes just to touch brake drums from the "off" position and corresponding movement of hand brake lever. (Phantom - 3/4" and third notch). Handwritten: Same as side by side rear brake Phantoms. | ||