R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Like Tree1Likes
Reply
 
Thread Tools Search this Thread
Old 04-18-2017, 10:37 PM   #1411
Tech Fanatic
 
Join Date: Apr 2009
Posts: 918
Trader Rating: 19 (100%+)
Default

Also been using mine a fair bit too.
I have set front and rear camber to 0 degrees as it chews out the inside of the tyres too easily, havn't ran it since though, will tomorrow.

I noticed the front has a lot of camber gain, in the region of 4.5 degrees from memory.
Probably worth while messing with roll centres.

Still running the long shock rod ends too, I might try the shorter ones but seems nicely stable at 18mm ride height.

I've always been an off road kinda person when it comes to RC, on road never really interested me much (I really like on road full size racing though).
But this kit still manages to entertain me and it is fun to take it 'off road', when I remember I can that is.

Have handed to controller to my mates to have a go, and they're pretty chuffed with it too.
Shimmy is offline   Reply With Quote
Old 04-18-2017, 11:13 PM   #1412
Tech Regular
 
Join Date: Jul 2016
Posts: 382
Default

Indeed the ring of death seemed to happen to me quite often. I think I went through 5 or 6 sets of cheap eBay tires in matter of months. I am not sure what I did to have it stop or slow down. Perhaps the TC arm conversion I did helped reduce inner tire wear. Maybe the parts I got are 4 degree caster instead of 6? Unknown. I did give a serious go at setting up the suspension properly to have all 4 corners' preloads match up left and right. After months of tinkering I have it set up quite nice. And handling very well. I even bought a camber gauge and set my car up with unmounted rims so the inconsistencies in poorly mounted rubber don't mess up my settings.

I think when I was younger the offroad really appealed to me. I had 2 rc10s. What was ironic is that I ended up driving those cars on the street in front of my house more often than offroad with buddies. And so when I came back to RC 20 years later, on road made more sense. But not too on road. I think every xv-01 owner understands that this vehicle is special. My TA05 is strictly cleanly paved streets and lots. It's not very versatile. Where the xv-01 is pretty much "show me how bad the pavement can get, I'll give it a go!"

I love giving the suspension a good beating from time to time.

Speaking of which the CVAs aren't a bad shock. It's really just the pistons that are inferior. If you can find TRF or the Yeah Racing pistons, you'll be much better off. The only thing that the CVAs are missing then is the fine tuned adjustability of threaded shock collars. This i found to be very useful when setting up the car. A full turn would be equivalent to a 1mm spring collar shim. Once I got over needing to have identical left and right number of shims is when my car started handling better. Preloads left and right are almost never identical for this car.

Flex.

Quote:
Originally Posted by Shimmy View Post
Also been using mine a fair bit too.
I have set front and rear camber to 0 degrees as it chews out the inside of the tyres too easily, havn't ran it since though, will tomorrow.

I've always been an off road kinda person when it comes to RC, on road never really interested me much (I really like on road full size racing though).
4roller is offline   Reply With Quote
Old 04-18-2017, 11:46 PM   #1413
Tech Fanatic
 
Join Date: Apr 2009
Posts: 918
Trader Rating: 19 (100%+)
Default

I think you might be onto something about the TC bits reducing the "ring of death".
By looking at it, I think there's a considerable amount of positive scrub radius which may help explain why the front wears quicker and worse than the rear.

I've been rotating my tyres front to rear too, trying to make them last longer.

I've had maybe 20 or so packs through my XV now, the Tamiya blocks were gone in about 17, I didn't realise how long they did actually last until I thought about it.
With less camber and maybe camber gain, I'm hoping they'll last longer.

I'm only going to buy cheap tyres anyway, I'm not racing it or anything.

When I was a young kid, I wanted to get an on-road RC but my parent's couldn't really afford to, but when I was able to buy things for myself, I got a Stadium Truck (Losi Desert Truck, when they first came out about nearly 10 years ago I think).
Since then it's all been off road, more stadium trucks, 2wd buggies, truggies.
Mostly for racing, as I pretty much stopped bashing when I started racing.

Suspension setup has always been an interest of mine also, although it can be a bit overwhelming at times with how much is adjustable and what does what.
I probably enjoyed it as much, or more than the racing itself.
But as with all other "use it or lose it" things, my memory of it isn't as it used to be.

I think the XV-01 chassis is somthing that'll always be a compromise and be very difficult to consistently get balanced and de-tweaked.

Yeah, the CVA's aren't terrible but not great.
Pistons are their biggest downside.
I think I will still try those CC-01 alloy shocks, until I manage to find something better anyway.

I have put the single hole pistons in the front though with the kit shock oil.
It's a little better and worse though, it dampens better but I think it packs up a bit too hard.
I suspect a lighter oil will be a bit better.
I think I have some 40 weight I can try.
Shimmy is offline   Reply With Quote
Old 04-20-2017, 12:34 AM   #1414
Tech Fanatic
 
Join Date: Apr 2009
Posts: 918
Trader Rating: 19 (100%+)
Default

Claimed my first broken part.
Front drive cup on the wheel side.
Looks to have worn out, got too thin then broke.
I've broken them on other RC's or worn them out but nothing like this.

Oh well, CV's were on the list to upgrade.
Shimmy is offline   Reply With Quote
Old 04-20-2017, 05:45 AM   #1415
Tech Champion
 
ThePanda's Avatar
 
Join Date: Jul 2013
Location: Michigan
Posts: 6,978
Trader Rating: 64 (100%+)
Default

Had my first breakage as well..! i stripped the pin slot for the idler gear driving the rear belt in the front gearbox. very odd and required taking apart most of the font end it access.
ThePanda is offline   Reply With Quote
Old 04-20-2017, 01:24 PM   #1416
Tech Master
 
fyrstormer's Avatar
 
Join Date: Mar 2014
Location: Maryland, Near DC, USA
Posts: 1,641
Default

Ring of death? You mean the tread is wearing unevenly? You adjust that by changing the camber, then you compensate for changes in the handling by tweaking the spring preload and the swaybars.

EDIT: Also, move the steering assembly to the rear of the two available positions; this will give the steering more Ackermann so the inside wheel turns more sharply. That should help reduce tire wear.
__________________
Check out Fyrstormer's Garage in the Chat Lounge.

Last edited by fyrstormer; 04-20-2017 at 04:11 PM.
fyrstormer is offline   Reply With Quote
Old 04-21-2017, 12:30 AM   #1417
Tech Fanatic
 
Join Date: Apr 2009
Posts: 918
Trader Rating: 19 (100%+)
Default

Quote:
Originally Posted by ThePanda View Post
Had my first breakage as well..! i stripped the pin slot for the idler gear driving the rear belt in the front gearbox. very odd and required taking apart most of the font end it access.
An annoying one for sure.
I just pulled mine down to check over and redo the diffs, all looks pretty good so far.

The front uni setup just can't handle any real power it seems.




Quote:
Originally Posted by fyrstormer View Post
Ring of death? You mean the tread is wearing unevenly? You adjust that by changing the camber, then you compensate for changes in the handling by tweaking the spring preload and the swaybars.

EDIT: Also, move the steering assembly to the rear of the two available positions; this will give the steering more Ackermann so the inside wheel turns more sharply. That should help reduce tire wear.
Yes, the tyres wearing unevenly.
I have done just that, and will be getting swaybars in my parts order.

I considered doing changing the ackermann, I'll give it a go with the changes I have done already, might do the change after a few packs.
Shimmy is offline   Reply With Quote
Old Today, 02:32 AM   #1418
Tech Fanatic
 
Join Date: Apr 2009
Posts: 918
Trader Rating: 19 (100%+)
Default

Parts arrived!
So I did end up getting the GF-01 Alloy shocks (54670), and they fit just fine with the long damper towers.
It would be perfect if the shock and body were about 3mm longer over all but they'll still do the job.
They are 72mm long with the long rod end.
So if you still want to run it slammed to the ground with the short rod ends, that shouldn't be an issue.

I have 50w in the front and 35w in the rear, with the white 3 hole pistons and TRF201 front shock springs.
Seems ok, but is over damped, the front should probably have around 35w max.

Also got the CVs in place, a 67t 48p spur and the roll bar set.
Not going to fit the roll bars until after I run it with the new shocks.


Shimmy is offline   Reply With Quote
Old Today, 05:37 AM   #1419
Tech Regular
 
Join Date: Jul 2016
Posts: 382
Default

Agreed the front damper oil doesn't need to be too high. I tried 70wt and 3 hole pistons before, much to stiff. I ended up with 40 3 hole which seems pretty good front and rear. The rear springs I've found just need to be 1 or 2 levels of stiffness lighter than the front.

The shocks look pretty good! When you do end up getting the sway bar on, you'll need some collars as they don't include them in the kit. Secondly the rear sway doesn't need to be too stiff (use the lightest or none) as it makes the rear end slide out quite very easily if it is.

Happy to see the Xv-01 getting upgrades!
4roller is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
::: Tamiya XV-01 PRO Rally 1/10 Review!!! ::: iluvm4 Electric Off-Road 16 01-30-2017 11:20 AM
Electronics for Tamiya xv 01 highbeam Radio and Electronics 10 12-23-2012 07:56 PM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 08:59 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net