Royal RC bike rebuild/ update  
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Royal RC bike rebuild/ update - 5/21/2008 9:59:38 PM   
Custnam



Posts: 268
Joined: 2/17/2007
From: Napa, CA, USA
Status: offline 		OK, after hours of research and work I got this thing up and running better than ever. Instead of hacking up the chassis anymore than I already did, I decided to stay with the stock motor size, and I remember how much I liked the Graupners when I was modding my micro rs4 years ago. So I picked up a Graupner speed 400, direct drop in. ANd I mean direct, no modification at all on this part which was great because all the rest... well wasnt so easy. I gutted all the stock electronics, including the servo. I installed a Dynamite 12 turn esc, which is small for a 540 capable esc which was great. And I replaced all the dusty/ ancient electronics with a basic Futaba 2PH set up, and standard s3003 servo. I cut out most of the plastic, mounts, etc that were in the servos area to start from scratch as far as the mounting. I used associated servo mounts which made the servo mounting a breeze. Then I cut out a section of the front of the chassis to allow for the new steering arm to pass through. I installed a ball end to the bottom of the triple tree, then I set up a standard thunder tiger, NF, type of linkage with a dual spring/ linkage slider/wheel collar set up, and used a stock Futaba servo horn with the linkage slider installed in the outer hole. I tensioned the springs (mostly by memory of how I had my ducati set up years ago). And I was hoping very much that Id get it right the first time because if you need to adjust the spring tension on this one, you have to almost rip the whole bike apart again. And im normally never this lucky but when I tested the bike it turned PERFECT, and tracked straight. I couldnt believe it. But before I got to that part I needed to decide on how I was going to mount the battery now that the stock swinging battery tray was out of the way. And the more I looked at the stock tray, the more I wanted to figure out a way to make it work. So heres what I did. I cut all of the plastic parts off that use to go up into the chassis and mount on the servo. I used 2 zip ties wrapped in opposite directions around the front. Then for the back I drilled 2 holes through the tray and into the chassis (being careful not to drill so far into the chassis that you hit the drive gears.) Then I used some small plastic spacers to create a little space between the tray and chassis, then screwed it all together. This worked perfect. No need to make another battery tray that would most likely be a permanent battery mounting. With this the batteries come in and out just like they did stock. After all this it runs great. Not the fastest thing, but for ($8 graupner motor) Its good enough. And the steering is SOOOO much better than stock. Very responsive, and can now make sharp turns, when before it was mostly long, wide turns that almost had to be predicted to do right. Heres some pics, I hope this can help anyone else thats trying to fix up an ol'royal!!

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< Message edited by Custnam -- 5/21/2008 10:13:02 PM >

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       Post #: 1

RE: Royal RC bike rebuild/ update - 6/21/2008 3:01:18 AM   
WackoWasko



Posts: 476
Joined: 12/7/2003
From: San Jose, CA, USA
Status: offline 		Are you selling it? I saw one on ebay that looked very similar. Anyways, how well does it handle compared to other 1:5 scale bikes?


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(in reply to Custnam)
       Post #: 2

RE: Royal RC bike rebuild/ update - 6/24/2008 7:32:04 AM   
Custnam



Posts: 268
Joined: 2/17/2007
From: Napa, CA, USA
Status: offline 		Yes, its sold now. After putting some softer springs in the shocks, and doing the steering mod, it handled quite well. Im waiting for the new 1/8th Venom bike to some out.

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He loved us enough to Die for US, Love HIM enough to live for HIM

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       Post #: 3

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