raleighnut
Legendary Member
- Location
- One of the 'Elite'
Well I've not snapped a bolt (unless it was attempting to remove a seized one) or stripped a thread since 78 and AFAIK none of the Cars or bikes I've worked on have had bits drop off.
Torque Wrench
- Thread starter migrantwing
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- torque wrench
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raleighnut
Legendary Member
- Location
- One of the 'Elite'
Well I've used torque wrenches on cylinder head bolts, wheel nuts on alloy wheels big end/main bearing bolts and motorcycle crankcases etc so I know what it feels like but those examples are absolutely torque critical applications to avoid distortion with the important thing being that they are all identical.
Heltor Chasca
Out-riding the Black Dog
I have one of the generic wrenches rebranded As Giant, but with hex and torx fittings. It was going cheap in my lbs. I only use it to tighten. Never to loosen. And I put it to bed completely unwound. Does the job up to 14Nm. Happy enough for my needs.
mjr
Comfy armchair to one person & a plank to the next
- Location
- mostly Norfolk, sometimes Somerset
Congratulations on successfully calling another poster a spanner!
Seriously, I'm not too bad at the small stuff but I've got a torque wrench so why not use it? And I lack the experience with the tighter stuff so I'll keep on using the big £12ish beam wrench rather than trash parts by having them too loose.
D
Deleted member 1258
Guest
All three are identical to the Giant Tool Shed set I brought a few years ago.
D
Deleted member 1258
Guest
I too have never used a torque wrench on a pushbike but then I've never worked on a Carbon Fibre bike. At one point I used to say I didn't own anything Carbon Fibre but now remember I actually do.................................................My Carbon Fibre record (as in LP) brush.
I use mine on the small stuff, stem bolts, handlebar bolts that sort of stuff, I'm notoriously heavy handed and the torque wrench stops me over tightening stuff.
Profpointy
Legendary Member
A wag on here said you should do up bolts until the thread strips then back it off a bit.
PpPete
Legendary Member
- Location
- Chandler's Ford
having used a ratcheting (adjustable) type as featured in the OP - and not trusted it I've always wanted a beam-type wrench.
Maybe one of Sheldon Brown's Tork_Grip
Which wisely eschews complicated numeroical torque values in favour of a 'Real World' system of torque values
Maybe one of Sheldon Brown's Tork_Grip
Which wisely eschews complicated numeroical torque values in favour of a 'Real World' system of torque values
What sort of torque figures were they, in nm?
Gone a bit quiet @SkipdiverJohn ?Show us the science behind “how tight it is tight enough”!
SkipdiverJohn
Deplorable Brexiteer
- Location
- London
bpsmith said:Show us the science behind “how tight it is tight enough”!
Science not required, just judgement. Tight enough not to come loose by itself, not so tight you strip the thread. You make an allowance for the material the thread is cut on. Steel will take more torque than alloy for a given size fastener.
mjr
Comfy armchair to one person & a plank to the next
- Location
- mostly Norfolk, sometimes Somerset
They are BRILLIANT! Bending metal is so much more trust-inspiring than invisible clicker mechanisms.
raleighnut
Legendary Member
- Location
- One of the 'Elite'
Dunno we worked in lb/ft (or at least the torque wrenches did)
What I am getting at is whether the torque settings, that you believe that you know how to accurately reproduce, are anything like the low torque required for most bicycle components.Dunno we worked in lb/ft (or at least the torque wrenches did)
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I would not advise somebody I did not know to not use a torque wrench, they maybe totally ham fisted for all I know. I tested a guy once who said he could torque a wheel nut up without the wrench, miles out, way overtightened on one side of the car and too loose on the other.
