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SG's Remo Hobby Batman

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Sixtys Guy
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SG's Remo Hobby Batman

Post by Sixtys Guy » Sun Jul 30, 2017 8:35 pm

I'm not sure if this was the smartest thing I've ever done, but I've ordered a new truck! Not the most common truck which has me a little concerned, but really it's part of the reason I bought it - to have something different. Will take a week or so to get here......
Last edited by Sixtys Guy on Mon Jul 31, 2017 4:29 am, edited 1 time in total.

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Sixtys Guy
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Re: SG's New Shafty Truck

Post by Sixtys Guy » Mon Jul 31, 2017 4:27 am

Ok I suuck at trying to build suspense :roll:

I ordered a Remo Hobby Batman Monster Truck. When these first started to get talked about last year I was really keen on them. They were $350Aud (around $290Usd) and at around the same time I picked up a really cheap 2nd hand Wheely King, so I decided the Remo truck was a no.

On the weekend I was scouring Ebay and found an Australian seller. The seller has a few versions of the truck each with a different price point.

The three models;
#1091
$239 Aud ($190Usd) - No warranty?? / $400 Aud ($320Usd) with 6 month warranty / $699 Aus ($560Usd) with 12 month warranty
2WS
Brushed Motor
Plastic shocks - may not be oil filled?
3300mah LIPO battery

#1092
$299 Aud ($240Usd) - No warranty?? / $450 Aud ($360Usd) with 6 month warranty / $750 Aus ($600Usd) with 12 month warranty
4WS
Brushed Motor
Plastic shocks - may not be oil filled?
3300mah LIPO battery

#1096
$350 Aud ($280Usd) - No warranty?? / $500 Aud ($400Usd) with 6 month warranty / $800 Aus ($640Usd) with 12 month warranty
4WS
3300kv Brushless Motor
Aluminium oil filled shocks
4200mah LIPO battery

To summarise the above from the base model, it's an extra $60Aud ($50Usd) to have 4ws and an extra $111Aud ($90Usd)to have a brushless system and aluminium shocks.

The fact that you can purchase these without warranty could be alarming, but that said I bought a Ground Pounder from the US that continually broke and didn't try to even claim warranty. Just wrote it off as a bad experience. I reckon with the pricing above they don't want anyone to buy a warranty!

My thinking was that I don't particularly want 4ws, but I do have a Ground Pounder radio that I could use and a heap of servos, so if I want to make it 4ws I reckon I could. The shocks are probably not great anyway, plus I have a set of WK shocks and a couple of sets of Maxx shocks that I can use if need be. I have a couple of spare brushless motor and an esc, ut a cheap brushless motor can be bought for $25 and an esc for around the same.

So with all that in mind I bought the #1091 - 2ws brushed version with no warranty. I am hoping that the truck is ok, but I have my eyes wide open. I have some ideas already for what I want to do with it. I will report back when it arrives!

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SFC K
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Re: SG's Remo Hobby Batman

Post by SFC K » Wed Aug 02, 2017 1:40 am

Cool! I saw these posted on FB a few months ago. The video was pretty cool! I cant wait to see how you like it wit ha full review of course... :popcorn:
Jeff

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Sixtys Guy
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Fri Aug 04, 2017 9:21 am

The Remo..... The Batman..... The new truck turned up today. Australia Post broke a record in getting it delivered so quickly! As soon as I could I took it out of the packaging and onto the workbench. Initial impressions are that it is a cheap chinese RC..... read on...

Positive Thoughts;
* It looks awesome with the body off! I really like the look of the chassis
* The body isn't as ugly as it looked on the youtube vids
* The tyres look better than I thought they would
* The wheels (real beadlocks) look pretty good, pity they aren't wider (45mm) with more offset

Negative Thoughts;
* The shocks are not oil filled (I suspected this when I bought it so no surprise)
* There is rust on the motor and some screws
* There are some loose screws
* The transmission plate is really thin and bendy - alarmingly so - not sure if this will be an issue
* The drive shafts are on a large angle
* The rear diff is locked. This was a real shock, I didn't expect this at all. I assume the 4ws version diff is unlocked.
* The servo arm isn't long enough and hits the servo mount plate - suspect this limits steering
* The radio feels really cheap and tacky. This is from a guy that thinks $20 Flysky radios are really good!

I will give it a run tomorrow. Will try 2S and 3S for fun.
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Sixtys Guy
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Fri Aug 04, 2017 9:23 am

More.....
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SFC K
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Re: SG's Remo Hobby Batman

Post by SFC K » Fri Aug 04, 2017 3:23 pm

Not sure what you paid for it shipped(I think you paid 190 USD), but some of those issues look like an easy fix. The Servo looks like you just need to move the link to the outside of the servo arm to get full movement.
I wonder if the rust came from shipping over seas on a boat?

Looking at the axles and the transmission, they appear to be Axial AX-10/SCX-10 knock offs. I don't think the drive shaft angle is that bad. Axial center pumpkin drive shaft angles are pretty similar.

Looking forward to see how it drives and mods you throw at it. :wink:
Jeff

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Sixtys Guy
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Fri Aug 04, 2017 9:30 pm

SFC K wrote:
Fri Aug 04, 2017 3:23 pm
Not sure what you paid for it shipped(I think you paid 190 USD), but some of those issues look like an easy fix. The Servo looks like you just need to move the link to the outside of the servo arm to get full movement.
I wonder if the rust came from shipping over seas on a boat?

Looking at the axles and the transmission, they appear to be Axial AX-10/SCX-10 knock offs. I don't think the drive shaft angle is that bad. Axial center pumpkin drive shaft angles are pretty similar.

Looking forward to see how it drives and mods you throw at it. :wink:
You're right Jeff, small issues from what I can see so far. I have put a longer servo arm on already and really surprised at how much steering angle this thing has. That much rust on the end bell makes me think it is a manufacturing issue. It almost looks like something has spilt onto it. Again, not much of an issue as that motor won't stay in it for long 8)

On the drive shaft angle, I just looked pics of the scx10..... I have only ever had trucks where the tranny outputs and diff pumpkins are in the middle (Wheely Kings and TXT's). It looked odd, but It appears that is normal!

Raining here again so mods have started without running it stock!

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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Sat Aug 05, 2017 9:23 am

Raining today, so spent most of the day in the shed! I still haven't run the truck yet, but made some changes already.

* Replaced plastic servo with a Towerpro metal geared servo
* Replaced servo orn with a longer alloy arm
* Removed pogo sticks and replaced with 90mm shocks. I'm not sure what they are, I think I bought them off ebay ages ago.
* Fitted 15mm wheel wideners

So it is now 10mm lower and 30mm wider. Really looking forward to running it!
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Sun Aug 06, 2017 2:43 am

Pulled the rear axle apart this morning. I was interested to know if it would take the Wheely King internals, but it doesn't. I did some research and I'm pretty sure the HSP diff will fit. HSP use this same diff in crawlers, buggies the lot. I ordered one of Ebay ($5Usd). Will take a few weeks to get here from China.
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Mon Aug 07, 2017 10:07 am

Sunshine today! Took the Remo out for it;s maiden run. Ran it on 2S for a couple of laps at the testing ground. About the same speed as a stock Wheely King. Swapped in a 3S battery... ran it for about 10 metres and lost drive to the rear - driveshaft popped at the tranny end. Put it back on with pliers, ran it another 10 metres or so and it popped off both ends. Game over for the day!

I have some Junfac shafts and a Traxxas shaft that both take 5mm outputs. I will give one or more if those ago, before going brushless!
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It does look the goods though.... still not fully convinced on the body yet
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Mon Aug 07, 2017 1:17 pm

Drive shafts swapped. I went with a Junfac shaft in the rear and Traxxas 5451X shaft in the front. The other Junfac shaft I have is too long. Pretty sure I bought the Traxxas shafts by mistake ages ago for the WK. Still had them in my spares box.

I pulled the tranny out while I was at it. I'm glad I did.... the motor plate was loose on the tranny, which wouldn't have ended well. Also explains why the motor had so much movement. I was really surprised and happy to find that the pinion and spur are 32P and it has a slipper! The pinion/spur mesh was really tight... I replaced the 16T pinion with an 18T. A 19T would be as big as can fit, but I don't have one spare.

While I was at it, I calculated the gear ratio;

Tranny;
20T gear (on spur shaft)
28T Idler gear
52T gear (on drive output shaft)

(28/20) x (52/28) = 1.4 x 1.86 = 2.6

Diff;
37T Ring gear
13T Pinion gear

37/13 = 2.85

Spur/Pinion;
54T Spur
16T Pinion

54/16 = 3.38

So the standard gearing is 3.38 x 2.6 x 2.85 = 25:1 Final Gear Ratio.

My 18T pinion makes the final ratio 22.2

A 19T pinion will make it 21.1

I am running a 17T pinion on my WK which gives me 19.3:1, so I am fairly close to that with the Remo.
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Sixtys Guy
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Thu Aug 10, 2017 9:55 am

Took the Remo out for another attempted run, but the Junfac shaft came apart - just the pin not aligned properly. I did get to run it for 5 minutes or so and it was quite frustrating as the rear diff lock is causing handling issues. The tyres have very little grip too which is an issue as well. I'm looking forward to running it with an open diff. It should be here in a few weeks and I won't run it again until I get it fitted.

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Re: SG's Remo Hobby Batman

Post by SFC K » Fri Aug 11, 2017 12:46 am

Wow, a lot of trials and issues. I was looking at those axle shafts and do they seem like they are really thin? I swear that transmission is just like the axial unit too. The truck does look better widened and lowered with the new shocks. The body though is growing on me. Would love to see some clod size tires on it just for giggles though.
Jeff

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Sixtys Guy
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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Fri Aug 11, 2017 10:55 pm

The tranny looks the same as an Axial, but I'm not sure if it is exactly the same.

I sold my Rumbles on EQR wheels last year. I would have liked to have tried them on there as I reckon they would have suited it really well. Not sure the axles would like the Clod tyres though!
Last edited by Sixtys Guy on Sun Aug 13, 2017 10:08 am, edited 1 time in total.

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Re: SG's Remo Hobby Batman

Post by Sixtys Guy » Sat Aug 12, 2017 11:48 pm

Widened the yellow Tamiya wheels that once belonged to my Blackfoot WK. This was a messy job.... the last time I did this the PVC coupling I used fitted inside the wheels with a push. I think the OD must be a mm or so larger as I had a hard time getting the coupling to fit this time. Got there in the end though!

I bought some yellow paint that is almost identical to the colour of the wheel, but I'm not so sure on this. There is a very good chance that I will change the body, do then the yellow wheels probably won't suit.
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