02GF74
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| posted on 3/10/06 at 10:45 AM |
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cycle wing stays
may need to make a set of these....
will 10 mm steel tube be sufficiently strong?
On the cortina uprights, I notice there are two holes vertically in line near the caliper, is the lower one also tapped to M8?
There is a third one at the front and my old stays use the front one and the upper of the two.
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Marcus
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| posted on 3/10/06 at 11:18 AM |
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We used all 3 holes in the upright, and made a triangular mount, welding the tubes to this. Originally we used 10mm round bar for the tubes, this
proved very weak and the arches flapped like a good 'un, eventually breaking at the welds. Mkll was 3/4" round tube - these are far better
and have lasted 3 years so far.
Marcus
Because kits are for girls!!
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02GF74
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| posted on 3/10/06 at 11:57 AM |
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quote:
Originally posted by Marcus
Originally we used 10mm round bar for the tubes,
cheers - so as I thought, the third hole can be used.
the requirement for these is to make a journey of 70 miles 
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rusty nuts
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| posted on 3/10/06 at 04:49 PM |
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The mounting plates on mine were 3mm but have broken twice. Have repaired and reinforced by doubling the thickness to 6mm . Will be making new ones
fron at least 6mm plate and heavy gauge metal for the rest , will double up on the part that bends around the wheel as one broke after 500 miles
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Mark Allanson
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| posted on 3/10/06 at 05:59 PM |
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Mine are made of 10mm 18g erw round, its the transverse part of the stays which causes the cracking, so just do away with them
 
Rescued attachment ModCycleWings.jpg
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Mark Allanson
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| posted on 3/10/06 at 06:03 PM |
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..the only modification is a bit of 20g webbing as shown in red. I have had these on the road for 18 months and 6500 miles
 
Rescued attachment ModCycleWings2.jpg
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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