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I'm happy to lend some solidworks or internet sleuthing skills to the mix here - I have a ton of product design experience and have made some truly tiny things for production (cardiac ablation catheter design is crazy!). I can probably get a batch of minute hands photo-etched that will be damn near perfect, but second hands are a lot tricker because of the cap. A tiny lost wax casting might be possible but surface tension is going to be a bitch to deal with. maybe a pressed blank with a plastic hub insert? seems doable if a bit painful.
Anybody happen to have the minute hand ID, and lengths of the arms? Going to go boil the internet and see what I can find that might be adapted. I could get these myself but I'd rather just take the SC out once since it's driving season!
So luckily, thanks to @Davebrossi i have a clock that has only the second hand as well as my own that has both the minute and second hand. Once i have the second hand-only version figured out, i'll get my own Dash clock out and start getting measurements and models.
Little progress pic. Need to test print and refine the design but trying to maintain the feel of the original hand and make sure I get a good print.
Looking Good, @DemonBG!
Originally Posted by Abt12
I'm happy to lend some solidworks or internet sleuthing skills to the mix here [...] Anybody happen to have the minute hand ID, and lengths of the arms? Going to go boil the internet and see what I can find that might be adapted. I could get these myself but I'd rather just take the SC out once since it's driving season!
If the problem-child second hand wasn't out there, I can't imagine that the minute/hour hands are, but I'm happy to break out the cheap-o micrometer (seems to be +/- 0.02mm) again when the next round of second hands come in if DemonBG hasn't had the chance to measure them up by then.
FWIW: On the hand-sourcing front, I suspect Esslinger is may be our easiest go-to with--perhaps--AliExpress being close second if we figure out which common Watch Movements share dimensions with the P-car post size. But--with that said--I suspect the 3D printing option @DemonBG is working up is going to be the real solution.
Last edited by FormerRotor; 07-12-2023 at 12:25 AM.
Looking Good, @DemonBG!
FWIW: On the hand-sourcing front, I suspect Esslinger is may be our easiest go-to with--perhaps--AliExpress being close second if we figure out which common Watch Movements share dimensions with the P-car post size. But--with that said--I suspect the 3D printing option @DemonBG is working up is going to be the real solution.
3d printing the second hand hub might work, but will definitely require some finishing work. These arms are so small most resin printers aren't going to make good parts, and those that can will likely be pretty brittle. And I'm a 3d printing evangelist, I literally work for a 3d printing company 😁
Unfortunately the market for these is just too small to warrant making an injection mold, but I might be able to swing a forming die for a custom rivet to adapt an off-the shelf version. Arms wouldn't end up super cheap just due to the volume though.
Thinking out loud....
The picture that shows the silver hand as a replacement without the "hub" on it I didnt find "ugly"
In fact I thought it looked quite good.
Do we need a hub to engage the hand onto the clock..??
As long as its snug it would be fine....would'nt it.
Peter
Finally! The Porsche Clock Second hand fix (metal hand).
OK, ladies & gents, I think we’ve got it!
Second hand fixed!
So here’s everything you need to know: 1. The Porsche Cayenne/Panamera/etc second hand sits on a 0.40mm post. So ANY watch hand for a 0.40mm post will fit. Personally, I liked those of a 6-8mm length (the hand shown is 7mm long)
Note: Options are limited because this post size is more common for a Minute hand, BUT there are still options to choose from. Look for a 40/80 Minute/Hour set which is common to several movements. If you see something like “40-80 4x7” this indicates a minute hand for a 40mm post of 7mm length and a hour hand for an 80mm post of a 4mm length.
2. Don’t be afraid to get a little artsy craftsy and make it your own. I wanted to give everyone a close-to-stock option, but your only limit here is your imagination. If you want to duplicate what I used, here’s what you’ll need:
Note: Support a local crafts store rather than trying to order on Amazon. The paint (especially glow in the dark) and brushed were <$6 from my local shop. The glow in the dark paint alone was $10+ on Amazon. Porsche Cayenne Second Hand Repair “Kit” Using those fine motor skills (and my wife’s reading glasses).
Tada!
Prefer a sweep style hand? Want it to be red? Want it to glow orange instead of the standard white? Go wild.
3. Don’t go too thick with the paint and be sure to check your hour-to-second-hand clearance before reassembling (tight tolerances were our issue in the first place, remember!).
4. Enjoy your new, permanently fixed, un-neutered hand!
Personally, I’d love to see someone use a black hand with a white luminous tip or a white/silver sweep hand with a red tip, but for now I’m pretty pleased with these results for the group.
If anyone near DC wants the leftover supplies, I have 3 spare hands and enough paint for 10,000. Just LMK & be sure to pay it forward to the next guy/gal once you’re done!
Enjoy & let us see those repaired second hands! Best,
FR
PS: Still looking forward to seeing what @DemonBG & the 3d printing crew are able to come up with! The more options the better.
Last edited by FormerRotor; 07-13-2023 at 08:12 PM.
Hey Mike
your homework has been outstanding mate and as a result we have a "cure"
Happy to paypal you some $$ to send one flat envelope to Australia containing a hand.
Thanks
Peter
...Your homework has been outstanding mate and as a result we have a "cure". Happy to paypal you some $$ to send one flat envelope to Australia containing a hand. Thanks Peter
Saw your PM, @oz968 ! Anything for a fellow enthusiast, mate! Just PM me your address and I'll get you a set. What does it cost to get an envelope to you from the East Coast of the US? I'm happy to send you one of the 0.40mm alternates I have in-hand.
The sweep-style hand is my favorite, but will take a quick clip to the right length (nail clippers just like the stock hand) and a steady/smooth hand with a brush to get it perfect. The 8mm length unit is almost identical to the one shown above & shouldn't require any real modification...
Last edited by FormerRotor; 07-13-2023 at 08:54 PM.
Mike
Again your efforts are absolutely gracious.
the 86.210.3 is the go I think.
I have no idea what a flat envelope cost is to US however Google tells me $1.15 USD
I have PM'd you for your paypal ID and I will make a payment
Peter
I have PM'd you for your paypal ID and I will make a payment.
As long as shipping is reasonable, no need for PayPal. Just shoot me an address, my friend.
Originally Posted by Abt12
F*cking legend. Excellent work! Tempted to try and find some Porsche design looking hands...
Thanks, @Abt12 ! Do it! I think the next bit of research is for someone to identify common watch movements that use 40/80 hands (and whatever our minute/hour hand post sizes are). There are tons of hand options out there, but most (especially on Ali & EBay) are labeled by the name of their movement without referencing post size.
@DemonBG , any chance you can take a calipers to @Davebrossi ’s second-hand-only clock and post up the hour/minute hand sizes for ABT/others? I didn’t have the heart to pop them off the wife’s clock and potentially create a new issue (especially when I’m thinking of fiddling with the electrical systems this weekend…on to the next project ).
Last edited by FormerRotor; 07-13-2023 at 09:44 PM.
See! Not saying I'm looking forward to when the second hand on my unit bites the dust, but at least it isn't 'pay to play, 500 dollars plz! ' I had a loaner 21 Macan a week ago and the dash clock is still the same assembly .. it's nice to have options at last. Not saying I thought about it, but in retrospect, would they really check for a missing second hand? (No I am not advocating anything actionable. The answer is yes, just like they noticed the half a tank of gas missing when handing it off, etc. Jokes aside, no theft of loaner car second hands)
07-11-2023, 12:59 AM
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