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Old Jul 05, 2013, 03:35 AM
Master of Micro Modding
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REELY & Redcat Sumo Micro 1/24 Rock Crawlers [Everything you need to know + mod s]

First off, welcome! This thread is dedicated to the REELY & Redcat Sumo Micro 1/24 Rock Crawlers and will focus on everything to do with them from; noob questions, spare parts/part compatibility, troubleshooting & and both beginner and expert modifications.

Consider this thread to be your REELY & Redcat Sumo Micro Rock Crawler BIBLE!!!

Now what on earth is this "REELY" micro rock crawler you may ask? Well it is exactly the same as the Redcat Sumo Micro Rock Crawler only the RELLY is sold in Europe, in particular Germany. There are 2 small differences between the 2 vehicles though:

1. The REELY body shell has a different paint scheme and only 1 to choose from (in the same colours as the German flag), while the Sumo has several options to choose from.

2. Obviously the REELY comes in a different box, well it's the same box but it has been re-branded. Also the transmitter has been re-branded too.

So enough talk, let me introduce these little fellas:






Highlights & Details:

2.4 GHz remote control system
4WD wheel drive
proportional control
Four wheel steering

Description:

Experience crawler technology in miniature version. Packaged in a compact size, puts technology at its best, thus it takes the "little" with the "big" on! About the individually programmable steering, front wheel, rear wheel, diagonal or all-wheel steering can be set. With the powerful electric motor conquered this vehicle almost every runway. But the writing is from a wonderful course, with keyboard and telephone to provide perfect barriers to the rock crawler.

Equipment:

2.4 GHz remote control system
2 mini steering servo
High-torque electric motor
Shock absorbers with coil springs
High Grip Performance Tires
oscillating axle
locked axles
Axle twist of up to 90
Cardan-wheel drive
battery Holder
2-in-1 receiver / controller block
proportional control
Steering mode programmable remote control system.






Indoors or out the Sumo micro crawler is fun in the palm of your hand. 4-Wheel drive and the 4-Wheel steering makes the Sumo crawler a fun and agile micro crawler. Complete ready to run, just add AAA batteries, the Sumo crawler includes a 3 channel 2.4GHz remote control and is fully assembled.

Motor type Electric Brushed
Drive system: 4 Wheel Drive
Length: 170mm
Width: 105mm
Height: 70mm
Wheelbase: 120mm
Ground clearance: 70mm
Chassis type: Aluminum
Radio system: 2.4GHz 3 Channel
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Old Jul 05, 2013, 03:36 AM
Master of Micro Modding
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Australia, SA, Burra
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Review






To see my full review please click HERE
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Old Jul 05, 2013, 03:36 AM
Master of Micro Modding
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Manuals & Part Explosions




To see all of the information please click HERE


Part Support & Available Spares



To see all of the information please click HERE
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Old Jul 05, 2013, 03:37 AM
Master of Micro Modding
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Modifications


My advice is to try your micro crawler bog stock first to set the performance benchmark, then you can see the improvements happen as you mod little thing here and there.



Primary Modifications:


These should be done after the first 5mins of crawling.



To see all of the information please click HERE



Secondary Modifications:


Now that you have driven the crawler a bit more and you are looking for even better performance and looks you should do these mods.



To see all of the information please click HERE



Tertiary Modifications:


Now is the time to start sinking some cold hard cash into your rig.



To see all of the information please click HERE



Wheels & Tires:

A list of nearly all of the currently available aftermarket wheels and tires.



To see all of the information please click HERE



Advanced Modifications


These mods are not for the faint hearted, but will really make a huge improvement.

To see all of the information please click HERE





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Old Jul 05, 2013, 03:37 AM
Master of Micro Modding
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My REELY Micro 1/24 Rock Crawler







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Old Jul 27, 2013, 07:03 PM
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My Hobby King package arrived today including my bearings and an ORX 3ch

Here are my bearings in place:




At this scale and speed the improvement isn't hugely apparent , but the torque twist has significantly been reduced and it gave me a few minutes more run time though. With a 2s 300mah Nano-tech I get over an hours fun time:
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Old Jul 28, 2013, 05:36 PM
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Spektrum Electronics Upgrade:


I have a DX3C already, and it has dual steering mixing, so naturally I wanted to use that over the cheap stock TX.

So here's what I did:



Electronics:
As You can see, everything tucked neatly into one of the stripped out battery house.



The stock grill even fits.



Amazingly I didn't have to cut or solder anything, even the switch on the aftermarket ESC fits perfectly where the stock switch went.



Here's an overview with all the wires tucked in.




..... And here's a side view of the wires tucked in through the lipo compartment


Finally here's the 300mah 2s in position.

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Old Jul 29, 2013, 10:36 AM
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Motor Upgrade


I bought a cheap chinese long can motor to try out:


It is supposed to make 300rpm at 12v, however I only run 2s through it. On 2s it is a fraction slower than the stock motor but it has tonnes of torque.

I would like to run it on 3s, however I could only find 2s small brushed ESCs, the smallest 3s brushed ESC I found was nearly half the size of the crawler.

Overall I'm impressed however I would like some more speed.

EDIT: It is a perfect fit too, requiring no mods to fit it.
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Old Sep 08, 2013, 10:52 AM
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Help

I just got my red cat sumo crawler and while I was climbing a rock my wheels got stuck turned left. When I turn it off, I can manually move the wheels left and right but when I turn it in the wheels automatically go left. I have read the manual and the settings are at default. Could you help me troubleshoot it? I know very minimal about rc cars.
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Old Sep 08, 2013, 01:33 PM
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Quote:
Originally Posted by 10A Rubi View Post
I just got my red cat sumo crawler and while I was climbing a rock my wheels got stuck turned left. When I turn it off, I can manually move the wheels left and right but when I turn it in the wheels automatically go left. I have read the manual and the settings are at default. Could you help me troubleshoot it? I know very minimal about rc cars.
Perhaps the servo stripped I would try undoing the screw on the front of the servo and pulling off the servo saver assembly. Then turn the car on and put the servo saver/horn back on with the wheels being as straight as you can possibly make them
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Old Sep 09, 2013, 03:13 PM
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Ok I will try that thanks!
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Old Jan 26, 2014, 10:29 PM
Master of Micro Modding
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Just ordered the parts for a 4200kv brushless, 6ch upgrade with metal gear servos, wheel wideners and bent lower links. S#!t is about to get real Im going to run it through my DX6i aircraft transmitter so I can have twin independant steering on the rudder and aileron sticks. I also picked up a used LOSI Trail Trekker so my little brother and I can rock crawl together.
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Old Mar 01, 2014, 01:48 AM
Master of Micro Modding
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Be sure to check out my blog entry on my new LOSI Trail Trekker...

Quote:
Originally Posted by valiantGLX View Post
Here is a build/upgrade log of my LOSI Trail Trekker 1/24 Rock Crawler.


If you have arrived at this page via my BLOG, please click HERE to access the entire entry
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Old Mar 01, 2014, 02:18 AM
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Servos

I opted for Hobby King HK 929MG Servos because they are cheap and their stats look pretty good on paper.





I have to say that installing the HK 929MG Servos was pretty stress free, even the stock servo saver fitted.





But this is not to say that there are not any other servo options for the Sumo Crawler out there, such as these for example:
  • Tower Pro MG90S (metal geared)
  • Hi-Tec HS65 MG (metal geared)
  • Hi-Tec HS65 HB (carbonite geared)
  • Traxxas TRA2065 (waterproof, plastic geared)

Here is a Traxxas TRA2065 in comparison to the stock servo on the left and the HK 929MG on the left.



...And here it is being test fitted to my Sumo Crawler. It is a great all round fit and it is waterproof, but the stock sumo servo savers unfortunately do not fit. LOSI Trail Trekker servo savers fit the TRA2065, so if you got a pair of LOSI Servo savers off of ebay you would be in business.



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