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Last additions - Speeding Big Twin
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1952 Prototype243 viewsSpeeding Big TwinDec 17, 2020
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1950 prototype255 viewsSpeeding Big TwinDec 17, 2020
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1949 Prototype (with 1948 engine)256 viewsSpeeding Big TwinDec 17, 2020
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Headlight bracket746 viewsRubber-mounting of the bracket was announced in the September 1954 issue of The Enthusiast.
Eric
Speeding Big TwinJul 26, 2020
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1954 prototype462 viewsFactory photo of a prototype Pan (1954 prototype with 52 engine).Speeding Big TwinMar 21, 2019
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1961 prototype225 viewsThe '61 prototype from Chris Haynes' photo collection but obviously the tank nameplate and paintwork is different to a '60 modelSpeeding Big TwinMar 17, 2019
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Rear brake operating lever149 viewsfactory photo of the '54 prototypeSpeeding Big TwinOct 26, 2016
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1959 prototype637 viewsPicture of a 1959 prototype from forum member Chris Haynes' collection of factory photos. The bike is equipped with Chrome Finish Group #F-1 plus the optional Deluxe solo seat.

Notice the trumpet horn. Notice the steering damper (special-ordered). Notice the taillight lens practically ends flush with the lens door but the lens on the red bike stands proud of the lens door because it is the style used for 1969--early-73 (it could be H-D or it could be AM). The starter crank on the red bike appears to be AM. And I'd like to see a close-up of the starter cover on the red bike because it looks like an earlier style.
Speeding Big TwinJan 24, 2016
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1959 prototype549 viewsPicture of a 1959 prototype from forum member Chris Haynes' collection of factory photos. The bike is equipped with Chrome Finish Group #F-1 plus the optional Deluxe solo seat.

Notice the trumpet horn. Notice the steering damper (special-ordered). Notice the taillight lens practically ends flush with the lens door but the lens on the red bike stands proud of the lens door because it is the style used for 1969--early-73 (it could be H-D or it could be AM). The starter crank on the red bike appears to be AM. And I'd like to see a close-up of the starter cover on the red bike because it looks like an earlier style.
Speeding Big TwinJan 24, 2016
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Transmission mounting plate219 viewsThe photo is an edited version of one posted on another forum by Chris Haynes and the full view is also on page 568 of Palmer's book. The bike is a mid-40s Knuckle and the trans plate's two front mounting holes are visible.
This would seem to be the type of plate used on 1937-47 Knuckleheads, 1937-48 BT Flatheads and 1948-57 Panheads. The 1936 Knuckle used a plate of similar size and similar overall shape but it had raised sections at each end instead of being solid all the way across and apparently it was only used for that one model year. There's a photo of a 36 Knuckle plate on page 66 of Palmer's.

For Panheads, my H-D parts catalogs indicate that four different trans plates were used:
1. #47698-36 (old #2804-36) for 1948-57.
2 and 3. There may have been two plates used in the period 1958-64. I imagine the front left mounting hole on both of them was further out than on the earlier plates but there must have been some difference between the two of them because my 58-68 catalog lists #47698-58A which should mean there was also a #47698-58.
4. #47698-65 for 1965.
Speeding Big TwinNov 11, 2011
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From the RCMP Archives2560 views1 commentsSpeeding Big TwinNov 26, 2009
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from the H-D Archives1457 viewsSpeeding Big TwinNov 26, 2009
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