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Topic ClosedR-Pod 178 Axle Length
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alandlearned View Drop Down
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Joined: 14 Jun 2020
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Posts: 29 		Direct Link To This Post Topic: R-Pod 178 Axle Length
    Posted: 01 Sep 2020 at 12:15pm
Hello once again!

Does anyone know what the "hub-face to face" measurement is on a *new* (meaning un-bent, un-twisted, un-ruined) Lippert torsion axle for a 2015 R-pod 178? I really don't want to lie under there with a measuring tape - I don't see how this measurement is possible with the wheels on anyway - and deal with cranky fire ants! Cry 

Thanx!
2015 R-Pod 178
2019 Chevy Silverado 1500 RST, Crew Cab; Gas V8 5.3L, RWD
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StephenH View Drop Down
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Location: Wake Forest, NC
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Posts: 6288 		Direct Link To This Post Posted: 01 Sep 2020 at 12:57pm
Can you see labels on the current axle? If so, then those will have the information on the correct axle for your RPod. Here is an example:
StephenH
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 01 Sep 2020 at 1:32pm
I believe the number in the third group (89.5 in the photo) is the axle length and the 4th group is the frame attachment dimension, but you should confirm.
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1995 RV6A Experimental Aircraft
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alandlearned View Drop Down
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Posts: 29 		Direct Link To This Post Posted: 01 Sep 2020 at 1:44pm
Thanks Steve. My sticker says 89.5 as well. Does this mean if there is an issue with camber and toe-in that the measurement would be different?
2015 R-Pod 178
2019 Chevy Silverado 1500 RST, Crew Cab; Gas V8 5.3L, RWD
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alandlearned View Drop Down
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Posts: 29 		Direct Link To This Post Posted: 01 Sep 2020 at 1:45pm
Thanks Offgrid. You too.
2015 R-Pod 178
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 01 Sep 2020 at 1:55pm
You won't be able to tell if you have a camber issue from the axle length measurement, any change would be negligible.  You'll have to either see negative camber by looking for the wheel or wheels to be tilted inward at the tops or run a string line from end to end under the axle and see how much crown there is in the center. Should be about 3/16 or so. Sorry about the fire ants but there isn't another way to do it AFAIK.
1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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alandlearned View Drop Down
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Posts: 29 		Direct Link To This Post Posted: 01 Sep 2020 at 2:06pm
Thanks for your expeditious replies! The negative camber is quite noticeable and the toe-out (I previously incorrectly stated toe-in) is less noticeable but noticeable nonetheless. I inherited it when I bought the RP 178 earlier this year but I didn't think it would be an actual issue. I've now read enough about bearing failures on this model axle to become alarmed. 
2015 R-Pod 178
2019 Chevy Silverado 1500 RST, Crew Cab; Gas V8 5.3L, RWD
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alandlearned View Drop Down
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Posts: 29 		Direct Link To This Post Posted: 01 Sep 2020 at 2:11pm
I should point out belatedly that the negative camber and toe-out is only on the slider-side. I thought it was normal! My GW is 3500 lbs and while we do pile on things inside we try our best to keep things balanced and forward of the axle.
2015 R-Pod 178
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 01 Sep 2020 at 2:23pm
The slide side is heavier. The axle will have less than 3500 lbs on it (subtract the tongue weight) but then you have to also consider bump loading. No way to know on a used trailer what it was subjected to. 

I hadn't heard bearing failure was an issue before. If its the bearing then the wheel will have slop when you push and pull on it after jacking it up. 

Sounds like a bent axle to me. I would still confirm though by checking the crown. You might be able to find a shop that can re-camber it for you, but it will be weaker due to work hardening from the original failure. I would reinforce it for sure. 
1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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