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hunter
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« Reply #4095 on: November 08, 2011, 10:17:03 PM » |
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terry t
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« Reply #4096 on: November 08, 2011, 10:28:38 PM » |
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so has Kev tested it again with the altered brake peddle of 5 to 1
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Manky Monkey
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Karma: 264
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« Reply #4097 on: November 08, 2011, 10:46:51 PM » |
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Pedal not re-fitted yet Tel.
Hope to order a new master cylinder this weekend.
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On the last freedom moped out of Nowhere City.
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kapri
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« Reply #4098 on: November 08, 2011, 11:03:26 PM » |
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You'd be unable to test it with the 5:1 pedal ratio Terry . Pedal is 110mm from floor now and because the bottom will still move the same amount (40mm measured at m/c) as the m/c size hasn't changed it will take 200mm travel to get pressure!
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Cabman77
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« Reply #4099 on: November 09, 2011, 08:18:43 AM » |
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..........and Joshua entered Jericho on his Triumph..............
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kapri
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« Reply #4100 on: November 09, 2011, 02:03:28 PM » |
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So've I !!  |
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poprodder
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« Reply #4101 on: November 09, 2011, 04:09:15 PM » |
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i was lost after first tech sentance!!!
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terry t
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« Reply #4102 on: November 09, 2011, 05:03:16 PM » |
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kapri
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« Reply #4103 on: November 09, 2011, 05:26:48 PM » |
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tbone
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« Reply #4104 on: November 09, 2011, 05:27:11 PM » |
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With 19mmm/c and 3:1 pedal ratio it should still have made 1000psi line pressure with 100 pound pedal input...so you can see how much we lost with vectoring.!! Normal pedal input gave 300 and 600 stood on it.
I make it 683psi?  |
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NO I WON`T. aye ok then, i will
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kapri
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« Reply #4105 on: November 09, 2011, 06:01:30 PM » |
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Pedal ratio x pedal effort divided by area of master cylinder ( r2 x pi) .
3:1 x 100 divided by 0.312 X 0.312 x 3.142 = 300 divided by 0.30 = 1000 ?
Friend has a T with full disc set up that requires min 1000 psi to stop. His works with 5/8th m/c (ie 1000psi) .No idea how as it doesn't move enough fluid nor does it have residuals to stop bleed back. I think his pushrod is a tad too long keeping the recuperation seal closed so the pads are barely off the disc.
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poprodder
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« Reply #4106 on: November 09, 2011, 06:03:43 PM » |
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was that realy that long ago!!!! i can remember the start of holmseys site!!!
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tbone
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« Reply #4107 on: November 09, 2011, 06:16:34 PM » |
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Pedal ratio x pedal effort divided by area of master cylinder ( r2 x pi) .
3:1 x 100 divided by 0.312 X 0.312 x 3.142 = 300 divided by 0.30 = 1000 ?
Friend has a T with full disc set up that requires min 1000 psi to stop. His works with 5/8th m/c (ie 1000psi) .No idea how as it doesn't move enough fluid nor does it have residuals to stop bleed back. I think his pushrod is a tad too long keeping the recuperation seal closed so the pads are barely off the disc.
I must get lost in the translation from metric to imperial? 3:1 x 100 = 300 3.14 x 9.5 x 9.5 = 283.385 sq mm x 0.00155 sq in = 0.439 sq in 300 / 0.439 = 683.37  |
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NO I WON`T. aye ok then, i will
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kapri
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« Reply #4108 on: November 09, 2011, 07:02:31 PM » |
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Yup, that must be error, I work in imperial units to get psi rather than convert after.
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Manky Monkey
Administrator
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« Reply #4109 on: November 09, 2011, 08:07:11 PM » |
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What are they talking about?
I'll stick to bashin' bits of metal & let the clever blokes sort out the brakes.
Nothing worth photographing at the moment, just reworking the transmission tunnel to make it easier to remove in future.
Gonna take days to clean the paint off the alternator.
Oh, & that damn horse escaped again today.
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« Last Edit: November 09, 2011, 08:15:58 PM by Manky Monkey »
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On the last freedom moped out of Nowhere City.
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