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Sep 16, 2019, 04:18 PM
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3 wire servo


This may have been posted already but the Hextronik HXT500 3 wire servo is an exact fit for the lt832 if upgrading the electronics. Just trim off the mounting tabs and good to go. The stock servo saver fits also and is the same spline. When installed it may seem loose towards the rear but edge it forward and the cover has a rear lip that keeps it in the perfect position.
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Sep 17, 2019, 12:56 PM
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Better view of LapTrax in action:

LapTrax timing a JJRC LT832B (0 min 46 sec)
Sep 17, 2019, 05:08 PM
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Very nice!
Sep 17, 2019, 07:34 PM
ultra cheap pilot
ican3d's Avatar
I might need to get myself a laptrax too
Sep 18, 2019, 02:00 AM
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LapTrax works great and it's free - very impressed. It can also track colour to time multiple cars.
Dead happy with the buggy handling now (finished modding); I can just focus on getting used to the steer wheel and thinking of ways to knock up indoor tracks that are interesting and very quick to assemble/disassemble. The rope didn't work out as my daughter getting getting the car stuck!
Sep 24, 2019, 04:09 AM
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Quote:
Originally Posted by new rc heli
This may have been posted already but the Hextronik HXT500 3 wire servo is an exact fit for the lt832 if upgrading the electronics. Just trim off the mounting tabs and good to go. The stock servo saver fits also and is the same spline. When installed it may seem loose towards the rear but edge it forward and the cover has a rear lip that keeps it in the perfect position.

Sounds good. Any pictures of the servo in place? Does it need any mounting stuff like double face tape or just press fit?

Edit: If I understand correctly, the cover that is screwed onto the frame, holds the servo on the spot, right?
Last edited by SoloProFan; Sep 24, 2019 at 07:06 AM.
Sep 24, 2019, 05:40 PM
Registered User
Quote:
Originally Posted by SoloProFan
Sounds good. Any pictures of the servo in place? Does it need any mounting stuff like double face tape or just press fit?

Edit: If I understand correctly, the cover that is screwed onto the frame, holds the servo on the spot, right?
The servo needs no tape, it fits perfectly. It seems loose until you pop the cover on which holds it exactly where it should be positioned.
Sep 24, 2019, 07:36 PM
Registered User

Servo clarification


[tIf I understand correctly, the cover that is screwed onto the frame, holds the servo on the spot, right?[/QUOTE]

The above listed servo I mentioned is a direct fit for the LT832. The servo saver of the LT832 fits . It does NOT fit a Losi micro T servo saver. A 5 wire replacement Micro T servo does NOT work in the LT832. The electronics are apparently different and does nothing when installed in the LT832. The spline on a micro T servo is much smaller than that in the LT832 also. Anyone using the stock 5 wire servo that may go bad do not buy a Losi 5 wire servo, it won't work.
Just wanted to mention so no one tries, Like I did.
Sep 25, 2019, 04:01 AM
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Hmm, sounds like this winter I should finally pick up upgrading my JJRC 1:32 cars. I did get the WL Toys "brick" but never got to installing it. Best source for the HXT500 seems HobbyKing, right?
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Sep 25, 2019, 06:45 AM
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Quote:
Originally Posted by SoloProFan
Hmm, sounds like this winter I should finally pick up upgrading my JJRC 1:32 cars. I did get the WL Toys "brick" but never got to installing it. Best source for the HXT500 seems HobbyKing, right?
I purchased mine at amazon, US was next day shipping. While your working on it make sure that you remove the motor screws and put thread lock. I have two and both didn't make one battery through them until the motor screws loosened and came away from the spur gear almost destroying the teeth. Thread lock will keep it locked in.
Sep 30, 2019, 04:36 AM
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Ordered a few servos from HobbyKing, added some NiMh AAA to make most of the shipping fee. I will thread lock motor screws, thanks for the warning.
Latest blog entry: For the love of the hobby!
Oct 13, 2019, 04:35 AM
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Got the servos a little while ago, but then disaster struck, and we had to escort my dad to go to his final resting place...

He would have loved to see this car run through his relatively large open area living room, but that is not going to happen. But while the rent on his former home still hasn't been canceled, it would be some sort of tribute to still at least run this car there one more time, after being fixed. So I will continue the conversion to WL Toys electronics, and see how it goes.
Latest blog entry: For the love of the hobby!
Oct 14, 2019, 02:00 AM
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The HXT servo fits ok, after trimming mounting tabs naturally, but was still a little loose on the side and rear. I used a few trimmed bits of dense foam to really secure it. I also mounted the WL Toys board in reverse, so the wires coming from the switch at the bottom, fit without having to extend anything.

I re-used the plastic electronics cover, after trimming some parts of it, to accomodate the new electronics board.
Latest blog entry: For the love of the hobby!
Oct 14, 2019, 10:25 AM
Registered User

servo


So sorry to hear about your dad, finish the conversion and you will serve his memory every time you take it for a spin. As far as the servo it is slightly loose but once I put on the top cover it was very tight fitting and secure. Keep us posted on the final outcome of your mod and my regards to the family.....good luck..
Oct 15, 2019, 12:54 AM
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Quote:
Originally Posted by new rc heli
So sorry to hear about your dad, finish the conversion and you will serve his memory every time you take it for a spin. As far as the servo it is slightly loose but once I put on the top cover it was very tight fitting and secure. Keep us posted on the final outcome of your mod and my regards to the family.....good luck..

Thanks, if things turn out as planned, I should be able to make a couple of runs with the final result in his former home, as sort of tribute, before we have to give it back to the rental agency, which the home belongs to. Because my father was also keen on seeing me fly with drones, I created two videos in his memory, with fitting music, used by permission of the original artist. If you'd like, you can watch these here:

Memorial Flight for my dad - part 1 (please read the video description, thx) (3 min 26 sec)


Memorial Flight for my dad - part 2 (please read the video description, thx) (4 min 12 sec)


Any comments posted on the vids would be much appreciated.


Back to the micro cars. I have finished the conversion, and it runs pretty sweet, but the intended battery turned out to be dead. Which I found out after I have already made a harness to plug into the car. I couldn't easily check before, since the battery had a weird balance plug, and no other connector. Since it had been unused, I expected it to be fine.

So now I am waiting for fresh batteries to arrive. I couldn't find a local source for 230mAh, so I went with the 180mAh instead. Should still give plenty of runtime, I hope. Pictures and more info to come soon, maybe even a video, if I feel up to it.
Latest blog entry: For the love of the hobby!


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