stephen cooper Posted August 25, 2013 Report Share Posted August 25, 2013 Hi all, Hoping some of you can clear this one up. On the quaife hubs, one side has a LH threaded nut. Question is which side of the car should this be on? It is my understanding it should be on the offside but reviewing several race cars today showed some to be on the N/S, some on the O/S. I guess the same principle applies to the LH spinners on wire wheels? Cheers Steve Quote Link to post Share on other sites
Guest ntc Posted August 25, 2013 Report Share Posted August 25, 2013 (edited) NSR is it marked LH? Edited August 25, 2013 by ntc Quote Link to post Share on other sites
stephen cooper Posted August 25, 2013 Author Report Share Posted August 25, 2013 Hi Neil, Nothing marked LH but LH thread nuts have a notch grooved into the nut? If this should be on NS can you offer the explanation/reasoning? Thanks Quote Link to post Share on other sites
Peter Cobbold Posted August 25, 2013 Report Share Posted August 25, 2013 The wheel tries rotate - very slightyly - on the splines. I think - NOT SURE!! - braking causes the largest forces. Under braking the tyre and wheel on the car's NS move anticlockwise with respect to the hub splines. With a normal right hand thread that would tend to undo the spinner, as that will move anticlock too with respect to the hub thread. So on car's NS the threads should be left handed,so that motion tightens the spinner. I MIGHT BE WRONG - its years since I had wires. The principle is right but it all depends if braking is the major factor...if its accleration its the other way round.... Quote Link to post Share on other sites
RogerH Posted August 26, 2013 Report Share Posted August 26, 2013 Hi Pete, the spinners on wires are the other way round - Lefthand thread on Righthand side, Righthand thread on the lefthand side. I don't konw if this is the same for other parts of the vehicle though. Roger Quote Link to post Share on other sites
Peter Cobbold Posted August 26, 2013 Report Share Posted August 26, 2013 Lefthand thread on Righthand side, Righthand thread on the lefthand side. I don't konw if this is the same for other parts of the vehicle though. Roger RogerI was going to say it depends on whether you're loooking at it outwards or inwards... then thought twice.. Peter Quote Link to post Share on other sites
Denis Posted August 26, 2013 Report Share Posted August 26, 2013 (edited) 'Left Side' and the 'Right Side' Wire Wheel Spinners & the TR6 Wire Wheel Retaining Nut are stamp marked 'LEFT SIDE' or 'RIGHT SIDE' to 'UNDO' with a Stamped Arrow pointing forwards for both sides of the car! e.g. Left side UNDO anti-clock, Right side UNDO Clockwise! Undoing in the forward direction of travel! Strange eh? Having realised that, I've never had one undo in 50 years of TR4 & TR6 wire wheeled motoring! Edited August 26, 2013 by Denis Quote Link to post Share on other sites
Peter Cobbold Posted August 26, 2013 Report Share Posted August 26, 2013 I've never had one undo in 50 years of TR4 & TR6 wire wheeled motoring!That's why they are handed - to stop them self-unscrewing. Put them on the wrong side and...... Quote Link to post Share on other sites
Stanpartmanpartwolf Posted August 26, 2013 Report Share Posted August 26, 2013 Let us return to the question. Nobody I know would be using wire wheels combined with Quaife hubs for motorsport. Original TR halfshafts & IRS hubs are not handed; both use RH threaded nuts to secure the drive flanges to Morse tapered shafts, regardless of rotation direction. The hubs in question were originally modified Ford units, that were productionised by Quaife. Nobody there stopped & considered if LH & RH threads were appropriate for the Triumph (low-torque) application, hence we have been saddled with handed units & the attendant confusion for some 15 years. Tighten the nuts to around 220ft/lb, draw a stripe of Tipp-Ex across the nut & spindle & forget your worries. The debate about wire wheels is not relevant to this thread, as the amount of play in this splined hub & shaft assembly is insufficient to cause any loosening as long as a good clamp load is applied. These things last forever. Wire wheels: the rear drum brakes contribute very little to retardation; a healthy engine will apply way more load under acceleration than the rear brake force. The opposite applies to the front end: the front brakes will load up the idling wheels hugely, whilst there is next to no load under acceleration. Go figure. Thread direction??? Eliminate play & it matters not a jot where the wheels & hubs end up. SPMPW Quote Link to post Share on other sites
Guest ntc Posted August 26, 2013 Report Share Posted August 26, 2013 Hi Neil, Nothing marked LH but LH thread nuts have a notch grooved into the nut? If this should be on NS can you offer the explanation/reasoning? Thanks If they are not marked and ready to fit I would ask your supplier. They should be marked and imho built but as I said should be NSR if correct Quote Link to post Share on other sites
stephen cooper Posted August 26, 2013 Author Report Share Posted August 26, 2013 Hi Jon Thanks for the information, I think I will check the torque, mark with paint and leave it at that! Hi Neil, I have made some enquiries and will update if I become any the wiser. Cheers Quote Link to post Share on other sites
Alec Pringle Posted August 26, 2013 Report Share Posted August 26, 2013 Hi Steve, please see PM Cheers Alec Quote Link to post Share on other sites
aardvark Posted March 31, 2020 Report Share Posted March 31, 2020 Hello chaps. I’m resurrecting this thread because both my rear hubs - quaife types - have some play in them and checking the big central nut I found I could tighten it up quite a lot (relatively speaking). I have the left hand thread on the right side of the car. From the above thread, it seems like no one back in 2013 had the answer to whether the left hand thread should be on the left or right side. Do people have an opinion today? Also, does anyone have an idea on how tight the central nut should be tightened? Does the axle have an outer and an inner nut to it because the looseness in the hub appears not to be the outer nut, however putting a socket on it and tightening it removes the play - as though it’s tightening something within the hub. Does that make sense? cheers dave Quote Link to post Share on other sites
RogerH Posted March 31, 2020 Report Share Posted March 31, 2020 Hi Dave, this is an odd one. The big nut holding the hub together is only righthand item #44 https://www.moss-europe.co.uk/shop-by-model/triumph/tr5-6/clutch-transmission-drivetrain/drive-shafts-propshafts/propshaft-driveshaft-s-tr5-6-1967-76.html The adaptors for wire wheels are handed - LH thread on right hand side. Item #57 https://www.moss-europe.co.uk/shop-by-model/triumph/tr5-6/clutch-transmission-drivetrain/drive-shafts-propshafts/propshaft-driveshaft-s-tr5-6-1967-76.html In the diff the stub axles are handed but due to length not thread related. Does that help Roger Quote Link to post Share on other sites
aardvark Posted March 31, 2020 Report Share Posted March 31, 2020 Hello Roger. my hubs are quaife so are a different design to the standard hubs. One side has a central nut that is left handed and the other is right handed. any ideas? cheers dave Quote Link to post Share on other sites
RogerH Posted March 31, 2020 Report Share Posted March 31, 2020 Hi Dave, the general engineering acceptance is if you have LH & RH threads they fit on the other hand. LH thread on RH side RH thread on LH side As per the wire wheel spinners. However do the nut have any form of locking device?. If they have then they shouldn't need to be handed. Roger Quote Link to post Share on other sites
aardvark Posted March 31, 2020 Report Share Posted March 31, 2020 They are nylocs and big ones at that. The two outer ones aren’t loose but they screw onto the stub axle which does appear to screw into something internally; perhaps an inner nut? Does anyone know if this is the case? Quote Link to post Share on other sites
stuart Posted April 6, 2020 Report Share Posted April 6, 2020 On 3/31/2020 at 9:21 PM, aardvark said: They are nylocs and big ones at that. The two outer ones aren’t loose but they screw onto the stub axle which does appear to screw into something internally; perhaps an inner nut? Does anyone know if this is the case? Talk to these guys, they will know http://www.vessey-classic-car-services.co.uk/triumph-tr-rear-hubs.htm#.XosfLXJ7nGg Stuart. Quote Link to post Share on other sites
aardvark Posted April 22, 2020 Report Share Posted April 22, 2020 Just to close this thread out, I managed to speak to Vessey today -they are on lockdown - so very pleased when they answered the phone. The answer regarding the torque was “as tight as you can”. They didn’t have the settings to hand but told me to google Sierra cosworth rear hub nut. That revealed 220 lbft which is the same as spmpw said above. Regarding the side to install, the answer was left hand thread on left hand side of car. The chap assured me that the situation is different to wire wheel spinners which are left hand thread on right hand side as Roger points out above. I’ve done a little googling and think the explanation is linked to a concept called mechanical precession but I have to admit I can’t understand what it all means. Anyhow, I hope this will help someone in the future. cheers dave Quote Link to post Share on other sites
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