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Portal Axles

Would that be more down to the fact that historically the portal axles used were from Unimogs, Volvos, etc where the whole axle set has been used and they are just "low speed" axles?
That’s a perceptive question. This was in the context of a bespoke system however it may well have been a function of engineering compromises analogous to those manufacturers.
In short I don’t know. I agree with your implication that a solution could presumably be engineered to perform at high revs/shed accumulated heat etc, as that problem has clearly been solved in other geared systems.
 
At your service 😀


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Gerade bei #eBayKleinanzeigen gefunden. Wie findest du das?

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From Wikipedia:
“The rear axle with the wheel-sided countershafts corresponds to that of the VW Type 82 "Kübelwagen".”

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From the site https://dewiki.de/Lexikon/Portalachse:

“The first generation of the VW Transporter produced from 1950 to 1967 also had a portal axle with reduction gears, which was also used for other types. They provided a somewhat higher ground clearance and the reduction that was advantageous with the weak engine of the early Transporters, so that a Beetle gearbox - standard except for the differential basket with ring gear installed the other way around - could be used.[1]”
+1 to Necromancy

Just wanted to chime in and confirm as a previous VW Type 2 ('Bus'), 65 split window, the earlier gen did have the reduction box/gears.
 
Announcements are announcements, not products.

But perhaps you have a link to the announcement?
 
This is what, probably a $20-30k option, on top of a new house with a taller garage? Throw a V8 in you are probably (if a BMW) you are looking at up to $60k over a base model. Interesting, but I’d rather just get it so that a 2 inch lift is reliable and have 35s fit. Or just buy a G-wagon.
 
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Announcements are announcements, not products.

But perhaps you have a link to the announcement?
See the interview with Lyn Calder in the Smoking Tire thread in the latter part of the video after they finish complaining about ADAS! :giggle:


They're testing prototype? portal axled Grenadiers in Iceland as well as 44" tyres.., which Calder says will be available as an option. I'm too old to change a 44" tyre !:rolleyes:

View: https://youtu.be/5VfYOdxlpos?si=R0eByRQRggR5Rpmu
 
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This is what, probably a $20-30k option, on top of a new house with a taller garage? Throw a V8 in you are probably (if a BMW) you are looking at up to $60k over a base model. Interesting, but I’d rather just get it so that a 2 inch lift is reliable and have 35s fit. Or just buy a G-wagon.
This is a LeTech Portal Axle build (offered by INEOS). On the Abenteuer & Allrad show 2024, Daniel Kriso from LeTech told me the price: 190''000 Euros.

But the car is at least included.
 
Thank you for the link. But in the context of aftermarket vs. manufacturer, ...


... this thing IS an aftermarket solution. From LeTech, offered and marketed by INEOS.
Emax, was it you that first posted the Letech prototype portal axle vehicle a couple of years ago????
Dave
 
Yes, that was me.

Somebody had to be the first. 🤷‍♂️
 
Factory optioned portals, that will be interesting. People mention about the service costs, minor drive line noises and having the Grenadier's first diff oil change earlier than every other make wait until people option it with portals axles. There is not much oil in each portal so the oil needs changing every service, portals are noisy and can suffer heat issues at high speed, high loads and long distances. Mark's Adaptor portal axles for Toyotas need oil changes every 10000km, however they have recently had a major design update with more oil capacity.
 
@NQ94 How do you think the drive train will go with 37-44s?
With the portal axles the larger tyres will go very well but people will have to accept the higher maintenance and noise that will go with such a combination and the brakes would have to be improved to handle the larger tyres. Personally, I would want the larger ZF 8HP transmission from the diesel version or the higher rated 8HP from something like a Hell Cat and you would have a pretty bullet proof drive train. I think the Tremec t/case would have no troubles handling the extra driveline mods, it would just need more servicing. If the money was there, I would void the Ineos warranty to do those mods to a Quartermaster.
 
spotted this at an event in Switzerland yesterday. Looks like the LeTech build

IMG_4129.jpeg
IMG_4132.jpeg
 
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