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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Luggage Fittings
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<blockquote data-quote="wld50" data-source="post: 3081" data-attributes="member: 502"><p><strong>Some information</strong></p><p></p><p>There doesnt seem to be a great deal available about panniers/ and their support racks but it has been exercising my mind as well. I hope someone with more experience can correct the mistakes in this, but here goes:</p><p></p><p>EMG Stevens (Know Thy Beast) illustrates the original panniers in Fig 20 but I cant make out how they were held to the bike. There is also a diagram of a luggage subframe (copyrighted by Gordon Griffiths - Fig 21). Stevens says of Craven that the mounting brackets are positioned too far back and too high, and the assembly lacks the necessary rigidity.</p><p></p><p>'Craven' in the 1951 MPH 36 (page 249/250 in 'Forty years on' ) is the best illustration I have found of how the Craven pannier rack is fixed. I expect this is the design he was criticising.</p><p></p><p>Craven made luggage racks and panniers over a long period, and the set I am refurbishing are similar to the Craven in fixings but larger in size with rectangular down sections instead of the curved tube. They carry larger panniers are early 70-s & have metric bolts.</p><p></p><p>To fit the rack to the bike, on either side there are two supports. The rear one is a 11" 'J shaped' 3/4" x 1/4" steel bar fixed by a clamp to the lift handle/ mudguard stay. The second is a 28" "flattened W shape" which is fitted at the front to (a longer) seat pivot with a small extender bolted to the dual seat stay .</p><p></p><p>Craven describes 'a cross bracket fixed by three wood screws just behind the tool box'. I dont have that.</p><p></p><p>The back support goes up and down on an arc with the back wheel and the front support being fixed to the seat follows the seat. There are (bronze?) bearings on the fixing bolts that allow the pannier frame to pivot. </p><p></p><p>ps If anyone knows where to lay their hands on these bearings (for M8 bolts) can you let me know as the original ones I have are well and truly rusted onto the (mild steel) bolts</p></blockquote><p></p>
[QUOTE="wld50, post: 3081, member: 502"] [b]Some information[/b] There doesnt seem to be a great deal available about panniers/ and their support racks but it has been exercising my mind as well. I hope someone with more experience can correct the mistakes in this, but here goes: EMG Stevens (Know Thy Beast) illustrates the original panniers in Fig 20 but I cant make out how they were held to the bike. There is also a diagram of a luggage subframe (copyrighted by Gordon Griffiths - Fig 21). Stevens says of Craven that the mounting brackets are positioned too far back and too high, and the assembly lacks the necessary rigidity. 'Craven' in the 1951 MPH 36 (page 249/250 in 'Forty years on' ) is the best illustration I have found of how the Craven pannier rack is fixed. I expect this is the design he was criticising. Craven made luggage racks and panniers over a long period, and the set I am refurbishing are similar to the Craven in fixings but larger in size with rectangular down sections instead of the curved tube. They carry larger panniers are early 70-s & have metric bolts. To fit the rack to the bike, on either side there are two supports. The rear one is a 11" 'J shaped' 3/4" x 1/4" steel bar fixed by a clamp to the lift handle/ mudguard stay. The second is a 28" "flattened W shape" which is fitted at the front to (a longer) seat pivot with a small extender bolted to the dual seat stay . Craven describes 'a cross bracket fixed by three wood screws just behind the tool box'. I dont have that. The back support goes up and down on an arc with the back wheel and the front support being fixed to the seat follows the seat. There are (bronze?) bearings on the fixing bolts that allow the pannier frame to pivot. ps If anyone knows where to lay their hands on these bearings (for M8 bolts) can you let me know as the original ones I have are well and truly rusted onto the (mild steel) bolts [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Luggage Fittings
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