01-04-2013, 12:46 PM | #81 |
Rock Crawler Join Date: Jul 2008 Location: grand rapids, bay area, nyc.
Posts: 945
| Re: Alex's berg take I
Looks sweet! You're not worried about snapping those cf steering arms?
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01-04-2013, 01:33 PM | #82 |
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I |
01-04-2013, 09:13 PM | #83 |
Shelf queen Join Date: Aug 2008 Location: Internet
Posts: 5,857
| Re: Alex's berg take I
Truck sits a bit taller than I envisioned, but I am a fan of high break over clearance, all the CF bits are turning out great. Keep up the great work |
01-05-2013, 05:55 AM | #84 |
Rock Crawler Join Date: Aug 2010 Location: Martinique
Posts: 660
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I've tested cf arms and they tend to break when the truck is in a bind between rocks...
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01-05-2013, 03:56 PM | #85 |
RCC Addict Join Date: Oct 2008 Location: Finland
Posts: 1,265
| Re: Alex's berg take I
I would also stay away from cf steering arms. If you can make one out of say 4mm thick sheet then it might become reliable. But as you said - testing will tell. Lots of nice details in this build! |
01-06-2013, 01:58 PM | #86 | ||
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I Quote:
Thanks Scorp The truck is sitting at 90mm, I like high break over clearance, this is why I'm trying to keep my chassis as light as I can. Quote:
4mm Now I'm starting to feel concerned, I'll make a spare set in case these fail then I'll bump the thickness. | ||
01-07-2013, 03:39 AM | #87 |
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I
Forgot to post these pics that show the difference between the two cab. |
01-07-2013, 06:02 AM | #88 |
Rock Crawler Join Date: Aug 2010 Location: Martinique
Posts: 660
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2.5mm !!!
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01-17-2013, 09:29 AM | #89 |
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I
Finally got my micro pro's in but before starting wiring I made a more bergish electronic plate. I should be able to put the first pack on the rock this week end if the weather is good enough |
01-17-2013, 09:59 AM | #90 |
E.Y. Designs Join Date: Sep 2011 Location: Springfield, OR
Posts: 3,591
| Re: Alex's berg take I
Awesome! So did you bend the CF or did you buy it like from DragonPlate?
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01-17-2013, 10:43 AM | #91 |
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I
Not sure if you can bend cf unless you mold it around something. It an angled cf strip 2mm thick and 25mm wide found in a UK robotic store . |
01-17-2013, 11:35 AM | #92 |
RCC Addict Join Date: Jan 2011 Location: Razorback Haven
Posts: 1,620
| Re: Alex's berg take I
Goooood grief!!!!!!!!!!!!!! Is there anything you can't do!!!! You blew my mind with the losi, now the berg! |
01-17-2013, 12:17 PM | #93 |
Shelf queen Join Date: Aug 2008 Location: Internet
Posts: 5,857
| Re: Alex's berg take I
At first glance you only notice one revision, but overlayed there is quite a big change. Amzing work with the CF,especially in the thin support pieces
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01-21-2013, 04:26 PM | #94 | |
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I Driving Quote:
Got my micro pro's wired, they are so smooth compared to fx-r Havn't had a chance to put the truck on the rock yet, too much snow oustide so I think the first rock my berg will eat would be at sunday's comp. I'll need another rx to clean up the wiring a bit. Don't pay attention to caveman tooling 3,65lbs rtr just missing side panels. You guys were right the cf steering arm didn't hold up verry long. So I made some thicker one out of scrap laying. | |
01-21-2013, 05:53 PM | #95 |
E.Y. Designs Join Date: Sep 2011 Location: Springfield, OR
Posts: 3,591
| Re: Alex's berg take I
Very nice... So do you think there will be any strength issues with only 3 spacers for the wheels?
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01-21-2013, 10:38 PM | #96 |
Rock Crawler Join Date: Jul 2008 Location: grand rapids, bay area, nyc.
Posts: 945
| Re: Alex's berg take I
Wow thats a lot of forward bias for being so light! Nice job. HAve u tried dropping some weight up front? Really cool truck dude
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01-23-2013, 02:34 AM | #97 |
RCC Addict Join Date: Oct 2008 Location: Finland
Posts: 1,265
| Re: Alex's berg take I
Let us know how the beefier steering arm holds up. How thick is it now? |
01-24-2013, 08:48 AM | #98 |
Rock Crawler Join Date: Jul 2006 Location: The Netherlands
Posts: 911
| Re: Alex's berg take I
Hope to see your rig Sunday in Purmerend.
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01-24-2013, 08:57 AM | #99 |
I wanna be Dave Join Date: Oct 2008 Location: Sumter
Posts: 6,141
| Re: Alex's berg take I
Have you weighed the new steering arm...just curious if there's actually any difference between it and the VP arm, or any of the other aluminum arms you could use. With it being that thick...doesn't it put the rod end in close proximity to the tire?
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01-24-2013, 10:37 AM | #100 | ||||
Rock Crawler Join Date: Oct 2009 Location: Brussels
Posts: 616
| Re: Alex's berg take I Quote:
Depends on the design, I ran my Dlux D cut like that for a while but my 6 holes didn't hold up. Quote:
Thanks man, this can be achieved easily with a killer Dlux rear axle with a touch of rcbros love. I tried to remove one ring off each side and the bias is still slightly in front of the link mount, I'll leave it as it is for sunday. The truck is at 3,63lbs with side panels on after a few revision ( wheels swap, ditched the remaining week al screw with ti screw and longer drag link). Quote:
I'll let you know but so far they don't flex or moove. Nice and beefy. I made them out of 2 pieces of 2.5mm cf sanded and epoxied togheter then cutted. Thanks Douwe, I'll like to see the SuDu doing work Quote:
Nope havn't weighted them but they're heavy. Yes I was to close to the tires and putted more stress on the long screw. I wasn't really happy with my steering. My CHubs screw keept backing up causing to C hub to get floppy then the threads got stripped so I upgraded the screws to 6-32. So far so good, nice and tight. But at full lock my wheels weren't really controlled by the servo causing some bad woobling so I reworked my steering. I've put the tie rod under the steering arm, at full lock the arms are keeping from going any further by the rod end and I switched my drag link the othe side. I feel like I have more servo control over the whole range. Only downside is that I have less approach angle. Still not 100% happy but it feels better than previous setup. Also made the final "skid" | ||||
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