Could you share the part number so the rest can have it as a reference later.
Thanks.
Thatās 125 hours in use. So as it adjusts the magnets. If the trainer isnāt changing the position of the magnets that time doesnāt count
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Ah,
This gives me hope
But remember, the magnets get adjusted to modify the power constantly. Maybe not every second, but a lot. Thats the whole point of EGR.
No probs, part number is PQ12-100-6-P, Stac sensibly put it on the actuator. So thatās a PQ12 linear actuator with 100:1 gear ratio rated at 6V and fitted with a Potentiometer so that the control board will know how extended it is.
Good point, but if my 200 hours is typical then itās certainly spends the majority of the time on the move in Sim mode, certainly on Rouvy some courses will be worse than others for this - āRide of the Fallen Leavesā (Lake District) for example is all over the place on resistance applied.
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Thank you for the info. I am assuming that a replacement is plug and play because it knows its own extension and essentially self-calibrates. Probably a good thing since they pulled the STAC app that let you play around with the settings.
Other than having to use the supplied Nyloc nut and bolt on one end instead of the pin with circlips it was plug and play.
I did ask 4iiiiiiiii to confirm that theyāve found a better way for the Fliiiiiiight to move its magnets, but have yet to hear back - I wonāt hold my breath!
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I twitted them last night i got a response todayā¦
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Good to get a response at least. Iām not super familiar with where this part(s) is located/what itās doing during a ride, but wouldnāt it be on for āmultiple fractionsā during a trainer ride? The lightly loaded part will hopefully help too, but as per this thread there has been a failure documented already, soā¦
Got the same response from 4iiiiiii today, plus they stated that the Fliiiiiiiiight has been tested to >500 hours. It also looks like the 4iiiiiiiii position of no support for the Stac product line is not as inflexible as it was. Itās too late for me, but they did offer to have a look through the factory sweepings for leftover actuators - my words not theirs!
Pretty much all of my riding apart from the cool down is in Sim mode, and that must cause the least movement of the actuators as they should only move at the start of each change of grade. My Halcyon was a very early model for Europe that didnāt have the black metal cover. It would be nice to think that my two actuators were from a dodgy batch that wonāt affect later models, but I donāt buy that. I may also be unusual in running the beta 2006 firmware update after it bricked itself. I donāt believe thatās been widely rolled out, or if it ever will be now, and will query that next.
With my 5 minute cool downs Iāve probably managed more like 220 hours, so has anybody reading this managed more than that on a Halcyon with the original actuators?
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I got mine at the end, when they were clearing inventory, June 2019. Not sure how many hours i have use it. But i put an average of 4 a week since getting it. Also, I have always use it in ERG mode. Not sure if thats better or worse than sims for actuators.
Iād assume worst, as in sim the load is only changed when the slope changes, and by the amounf of change in slope. In erg, particularly if you do short intervals, thereās a whole lot of action going on.
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also, i would assume, that on erg the actuators move constantly to keep the power target. where in Sims you only move for elevation change.
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If you do long intervals and keep a steady cadence, actuator motion will be minimal.
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I got mine in August 2018, I think, and Iāve always used it in Erg mode - and my cadence is, uh, not that consistent. So it has seen plenty of use modulo the weeks / months I was off the bike in past years.
Mine has just given up the ghost. Thanks for the info on the actuators. Iāll see if I can get a couple. Sounds to be the same problem. When in Erg or Resistance mode the loaf was just all over the place. Iāve got a minimum of 280 hours on mine
Contact 4iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii ( 
) through social media.
They seems to respond to that.
Ā£60 each here in the UK so Ā£120 to maybe solve the problem, or put that towards a trainer that doesnāt look like a 6th form tech project. Mmmmm. Some thinking to do.
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Mine has just given up the ghost. Thanks for the info on the actuators. Iāll see if I can get a couple. Sounds to be the same problem. When in Erg or Resistance mode the loaf was just all over the place.
Mine seized solid when they failed, though the load fluctuated for a few seconds before failure. It doesnāt sound like the same problem as mine where the load didnāt really vary after failure. The ones that I found for Ā£60 were from outside the UK, and I was concerned about the UK Post Office stiffing me with their admin fee on top of the import tax and any postage. If the magnets are both still moving then the actuators could well be OK, and itās something else thatās gone wrong - not that that helps much!
It is helpful. It confirms my thoughts that Ā£120 is too much for something that may or not solve the problem