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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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May 19th, 2021, 12:09 | #131 | |
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Alan
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May 19th, 2021, 12:14 | #132 | |
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:-)
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May 19th, 2021, 13:18 | #133 | ||
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"The potential of the Bowden cable and associated brake was not to be fully realised until the free-wheel sprocket became a standard feature of bicycles, over the period 1899-1901, and increasing numbers of applications were found for it, such as gear change mechanisms. Importantly in 1903, Hendee developed the twist-grip throttle using a similar cable for his 'Indian' motorcycles. Its lightness and flexibility recommended it to further automotive use such as clutch and speedometer drive cables. " That comes from the second paragraph of the section entitled "History" from this : https://en.wikipedia.org/wiki/Bowden_cable As such, here in the UK (can't comment on the USA as there are myriad different terms for automtive parts alone and we won't even mention "fanny packs"!) speedo drive cables are generally referred to as Bowden cables. Also while at school and first "officially" introduced to Bowden cables, they were described as being a flexible drive shaft with a secondary use as push-pull cables such as those for brakes. Looking at the history i can see both would apply and also how they were likely to have become more popularly known as speedo cables in the UK as opposed to any type of cable that transmits motion. Quote:
The idea is exactly as Ron suggests, to reduce the arc in the speedo cable due to going further to the back of the OD unit. *** EDIT *** Just had a quick look on fleabay and found this, certainly similar in appearance : https://www.ebay.co.uk/itm/202260280230 None listed for Volvo that i could find but these other options came up : https://www.ebay.co.uk/sch/i.html?_f...e+speedo+drive Might be worth checking the angle drive actually functions and investigating the most likely replacement if not.
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May 19th, 2021, 16:21 | #134 | |
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I'll check out the 'speedo drive pin' (the Bowden cable bit) for £4.44 first though. :-)
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May 20th, 2021, 09:27 | #135 | |
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...I don't know why I didn't do that last week!
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May 24th, 2021, 06:03 | #136 |
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Next Phase...
I'll probably get Delores back to work on for a few days towards the end of this week ('Janet' says some parts have arrived), so I'm starting to turn my thoughts towards what I'll do this week:
a. Take the speedo right angled drive off: see if the dinky Bowden cable thing is broken and if the unit turns. If not try connecting the cable direct into the gearbox as Paul did above (I don't think as a permanent solution, but to prove the rest of the system). b. Check the impedance of the fuel gauge from the sender wire (should be 58 ohms plus a bit for the return cct), if that looks okay then ground out the sender wire via a 20 ohm resistor to replicate the sender mechanism and see if the gauge registers full.... if it does pull the sender unit out and see if it is stuck. c. Fit the new rubber washer under the oil filler cap and see if it stops that pesky oil leak... also give the engine a good clean with Gunk and the pressure washer top and bottom. If the oil leak is fixed change the oil to 20W50 mineral. d. Have a go at taking the exhaust apart and re-aligning it. This will be a cheap win if it works... if not 'Janet' may well have to stump up for a new exhaust :-). e. Fix both door handles and the driver's side window winder (new handles and omega clips have arrived). If all that goes well I may treat myself to a beer at the weekend :-) :-) PS. One more thing: Delores doesn't have any wing mirrors fitted - which looks marvellous but isn't safe on the road. 'Janet' has obtained some - but I'm very scared of drilling holes in the beautiful doors to fit them. I may need that beer before I pluck up enough courage!
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... another lovely day in paradise. Last edited by Othen; May 24th, 2021 at 07:51. Reason: Spelling error. |
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May 24th, 2021, 08:33 | #137 |
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Morning, Alan; apropos door (wing) mirrors. Many years ago, clip-on mirrors were available, thus avoiding the need for any drilling - are they still? I recall having some on an early 144 that was not fitted with either door or wing mirrors.
They might be an acceptable compromise. Regards, John.
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May 24th, 2021, 10:15 | #138 | ||
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Are the mirrors "Janet" has obtained for door or wing fitting? Some are suitable for both but generally the wing fitting ones have a single hole and a large nut on the underside. Wing mirrors would be nice but not as convenient to use as door mirrors although the former would be more "period" than the latter. Quote:
Are those the ones you're thinking of John?
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May 24th, 2021, 11:26 | #139 | |
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May 24th, 2021, 12:29 | #140 |
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I remember seeing them for about £7-8 many moons ago (and that was in an overpriced place) and hoped they'd still be in the same price bracket John.
I hope whatever mirrors Alan has got (from "Janet") to fit on Dolores suit the car well, i've always liked the chrome "bullet" style mirrors like these : https://www.ebay.co.uk/itm/152818859685 On the last Skyline i had, the original mirrors were very similar to what was fitted to Allegros and similar in the late 70s, the pedestal mount rectangular efforts and always planned on changing to those bullet style mirrors - never happened though.
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