#1
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SB2 > D8 fitting problem
Hey guys,
ive been pondering this in my head for ages now and it doesnt make sense to me. at the minute ive attached both SB1 to the base tube BR12. I then tacked D7 and D8 (ive linished the tubes as in the book) But where D7 is correct ie it finishes 491 from the base line, and ive went on a trial fitted D5, 9 and tr3 which all fit. D8 will not sit right, ive marked 491.5 from the base line and lined the end of D8 with that when i try and butt it up to SB2 its well out. Thinking the SB1's werent leaning right but from measuring SB2 to Br12 both corners are 151 as per the book. Other checks ive done U4 and U5 are the same distance from base line. and my diagonals are the same any advice appreciated Will |
#2
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have you linished enough off to allow D8 to push up against the SB1/SB2 ?
How far out is "well out" ? If all measures ok and you are happy the angles etc are ok then you can fill the gap with weld and then blend it in with a grinder. |
#3
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thanks for the reply, ive dressed D8 the same as D7, if i but D8 to SB2 it ends about 450mm from the base line intead of the 491 as in the book.
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#4
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Quote:
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#5
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If D8 is the correct length tack it at the 491 dimension and just push the SB1 up to meet it and tack it then check the measurements and angles in that position.
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#6
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ive done that it makes the distance between SB2 and BR12 greater than the 151 check dimension. im so confused
Cheers Will |
#7
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Is D8 the correct length of 809mm and the 40' and 50' angles correct?
And SB1 leaning back at 17' angle? Just a thought you have got the D8 with the 50' angle at the bottom locating on D6 and the 40' angle meeting the SB1/2 ? Last edited by ozzy1 : 21st May 2011 at 11:11 AM. |
#8
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i know what you mean, the angles are the correct way round. if Sb 1 wasnt leaning right then i wouldnt get the correct gap between SB2 and Br12 which I do?
If i offer D8 up against D7 it would fit in there perfectly. not sure whats went wrong here! it will be something stupid no question! Will |
#9
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Hi Will.....I have just noticed that the 41mm that you are out by just happens to be the amount you would be out by if you got the front edge mixed up with the back edge of the bottom of d7/d8 ( where it meets br5)
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#10
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thanks for the reply im not quite 41mm out if i but the 40 degree angle to where it should be on SB1 & 2, the bottom of D8 sits 450mm from the base line instead of the 451.5mm i should be, meaning D6 wont fit in?
the other side of the chassis is perfect though Thanks again for all your help is much appreciated |
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