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Soze adds a RedCat to the fleet - Gen8 Scout II

Soze adds a RedCat to the fleet - Gen8 Scout II

Old 03-11-2019, 08:43 AM
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Default Soze adds a RedCat to the fleet - Gen8 Scout II

Alright, So I ordered this way back in December, finally got in February, and haven't posted about it until March! I didn't want to post about it before, because I just haven't done much to it. In fact I still haven't, but I might as well start the thread now that I've run it a few times and have videos of it.

Videos of my Gen8 Scout II


Build Details:

RedCat Gen8 Scout II (Blue) RTR - https://ebay.to/2VwOsVY


Parts:

ProTek RC Low profile servo horn - https://ebay.to/2IO8av3
SSD RC M3 Bent Rod Ends - https://ebay.to/2IVGDIm
Pro-Line Racing #10128-14 Hyrax 1.9 G8 Rock Terrain Truck Tires - https://ebay.to/2C3dEg1
Pro-Line 1.9 Dual Stage Foam - http://bit.ly/2PLZsPk
Aluminum 1.9inches RC Beadlock - https://ebay.to/2YcmtNS


Electronics:

DS Servo DS3218 20kg Servo - https://ebay.to/2rjtcpW
Hobbywing Quicrun WP1080 - https://ebay.to/2C4BJn7
FlySky FS-GR3E 3ch Receiver - https://ebay.to/2TdkVDr
FlySky GT3C Radio - https://ebay.to/2VkVopp



Last edited by soze; 01-26-2020 at 11:45 PM.
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Old 03-11-2019, 08:44 AM
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Here's the first thing that I wanted to adjust. The steering geometry is off out of the box, and it kind of bothered me.

Look how far out in front the servo end of the draglink is. I haven't gotten around this part yet, but sooner or later I hope it can be addressed




Here you can see that the draglink and panhard rod are not at the same angle. The panhard rod has a steeper angle than the draglink.




Part of the reason for a shallower draglink angle is due to the stock servo horn that comes with the truck




Since I didn't have anything suitable on hand, I wanted to see if there was something I could do while I waited for the parts I needed. I ended up figuring out how to get the correct angle just by moving the tie-rod below the knuckle mounting point rather than above. This allowed me to get the correct angle while using the stock servo horn.

Don't have pictures, but here's the video:


While I was at it, I took the opportunity to swap receivers. I thought the RedCat receiver would work with my FlySky GT3C since it's FlySky based, but apparently not. They must've done something to the Redcat version to make it RedCat specific. See the similarities between the RedCat and the Fly Sky Receivers?




Also took a look at my portal gears to see if they were missing grease. Lots of the earlier batches were reporting dry portal gears. Luckily my February release was all greased and ready to go.





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Old 03-11-2019, 08:44 AM
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The RedCat body mounting system is a good idea, but the execution with the velcro left a little to be desired.

Here are some issues that I had.

Dropping the body straight on never worked well. The front just wouldn't stick.




This is the type of misalignment you get when you drop it straight on from the top




The secret to getting it mounted on correctly was to mount the front first, and then drop the back on.






Another issue is the side trim on the body prevents the body from mounting all the way down. It hits up against the sliders preventing the body from going down a bit more snugly.






This is something I'll address by trimming the sides, but I'm reluctant to do it until I get my magnets in. I'll be swapping out to magnets. It's the way to go.

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Old 03-11-2019, 08:45 AM
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Despite those issues that I posted about above, I had a chance to take it out for a run, and it did pretty well.

I hate the way the stock tires look, and the foams were garbage. So I stuck the Pro-Line Hyrax with Pro-Line Dual Stage Foams on ebay beadlocks that I was using for my MST CFX-W.















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Old 03-11-2019, 08:45 AM
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Another annoying thing. The driveshafts are out of phase, and there's nothing I can do about it on the stock shafts.

The steering geometry and these driveshafts make me wonder if it's just unfamiliar territory, or lack of attention to detail.






I was looking into the RedCat upgraded driveshafts, but HumboldtEF mentioned that they were still out of phase. I'll probably to see what cheap generic driveshafts might work on this truck.

I tried the Axial WB8 Driveshafts, and the length is good. The only issue with those is the different screw size diameter for holding the driveshaft in place. The Axial ones are a bigger diameter.
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Old 03-11-2019, 08:46 AM
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Take two on the steering mod.

I decided to move the draglink from connecting at the tie-rod to connecting at the top of the knuckle like some others here have done.

The ProTek RC low-profile servo horn finally came in and I was all ready to go until I got this...

I couldn't get the angle I wanted, because the rod-ends didn't allow for it.




So I used SSD RC M3 bent rod-ends. They're roughly the same length in order to keep the draglink the same length as the panhard rod.




Now I'm a happy camper for as far as I can go without a new bumper/servo mount design. Side to side suspension bump steer improved with this change.






Last edited by soze; 03-17-2019 at 06:21 PM.
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Old 03-15-2019, 11:06 PM
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Thanks soze. Great coverage on the "8". I have a Gen7 and it seams that Redcat has a problem with servo mounting and related linkage. My linkage bottoms out on the chassis. It seems that a slightly longer servo horn would have solved or at least minimized the problem (any hints on where to find one would be appreciated). The stock sport shocks are garbage, unable to support the vehicle level at a standstill. However, keep in mind these problems are minimal in comparison to its climbing capabilities. Overall a good job by Redcat.
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Old 03-16-2019, 07:51 AM
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Has anyone tried a straight rod for the panhard on these yet?
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Old 03-25-2019, 09:44 AM
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Soze, hows the stock turning radius? And does it look like the front axle (and steering) can be mounted in the rear? (if one had a spare front axle and steering set up of course?)
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Old 03-26-2019, 10:15 PM
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Originally Posted by 1spunspur View Post
Thanks soze. Great coverage on the "8". I have a Gen7 and it seams that Redcat has a problem with servo mounting and related linkage. My linkage bottoms out on the chassis. It seems that a slightly longer servo horn would have solved or at least minimized the problem (any hints on where to find one would be appreciated). The stock sport shocks are garbage, unable to support the vehicle level at a standstill. However, keep in mind these problems are minimal in comparison to its climbing capabilities. Overall a good job by Redcat.
Yeah, overall the Gen8 is a pretty darn good truck out of the box at the price it's going for. The bump steer is just me nitpicking, because I like everything as perfect as possible. It won't affect the performance too much when just crawling though.

Originally Posted by roadrashracing View Post
Has anyone tried a straight rod for the panhard on these yet?
Straight rod won't work with the way they have everything mounted/located. A straight rod would hit the pumpkin on the axle. You'd have to raise the panhard mount at the axle to clear.

Originally Posted by sazzlefrats View Post
Soze, hows the stock turning radius? And does it look like the front axle (and steering) can be mounted in the rear? (if one had a spare front axle and steering set up of course?)
Stock turning radius is good, but I swapped out the radio for my own so that I could adjust the end points. The way the stock steering is mounted, it kind of hinders it a little. With the steering mod it seems to be a little better. I've also noticed some people bracing the panhard mount in order to prevent axle shifting from panhard mount flex, which further improves turning radius.
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Old 03-30-2019, 07:35 AM
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So I bit the bullet and went ahead and added the magnets.

I used N52 20x2mm Neodymium magnets from ebay. I wanted the fenders to be as flush as possible. 8 on bottom and 8 on top.






I also used E6000 adhesive to mount the magnets.




This is how much I needed to adjust the rear fenders. About 3mm or so. I should go back later and reinforce these.




I also trimmed a little off the sides of the body so that it doesn't hit up against the side rails preventing the body from mounting flushly.




Also added a front guard made for the TRX4 from ebay to the front in order to protect the steering servo assembly that sticks out in front. The TRX4 chassis width is the same as the Gen8, so it fit perfectly.




Last edited by soze; 01-26-2020 at 11:48 PM.
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Old 04-22-2019, 11:42 AM
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I spent time with the Gen8 this past weekend, and I decided to start clearing out the windows and paint the roof.


First, I cleared out the windows with Tamiya Polycarbonate body cleaner




And used my trusty Frog Tape to mask stuff off.




Painted the top with Tamiya PS-5 Black, then Tamiya PS-55 Flat Clear. I then decided to go ahead and put Plasti-Dip on top of that for the texture. If the Plasti-Dip peels off, at least I'll still have the Matte Black look underneath.








I wanted to keep the window frame from the decals, so I cut the middle blacked out part of the decals out.






I feel like it came out looking pretty decent.



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Old 04-27-2019, 10:25 AM
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I see that you have a Habao DC1 also. How does it compare to the Gen8?
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Old 04-27-2019, 04:44 PM
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Originally Posted by pete8541 View Post
I see that you have a Habao DC1 also. How does it compare to the Gen8?
Right now, the Gen8 is the better crawler. I think the HoBao is fine, but I haven't really tuned it too much. The biggest thing holding back the HoBao is the Heavy Body and stiffer suspension springs. I'd be curious to see how it does with a lighter body. Right now I think I'll be using the HoBao mostly as a trail rig, but I'd like to explore maybe adding some weight down low and softening up the suspension along with a lighter body.
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Old 04-28-2019, 06:26 AM
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Originally Posted by pete8541 View Post
I see that you have a Habao DC1 also. How does it compare to the Gen8?
the bigger question is how does the gen8 compair to the trx4
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