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  #1  
Old 06-17-2016, 09:52 PM
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Default Rc4wd Excavator questions

So I just ordered the earth digger from rc4wd, I have read what battery to use but wanted to know what everyone one is running and what is the run time your getting out of it. I want to order them before it showed up. I would like to add sound to the unit also but clueless on what to get. Thanks for any help will post pictures when it gets in!
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  #2  
Old 06-18-2016, 12:32 AM
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Default Re: Rc4wd Excavator questions

Check out the Gens ace 8400 lipo it's a tight fit but will give you over an hour of run time.
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Old 06-18-2016, 12:56 AM
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Default Re: Rc4wd Excavator questions

Also take a look at the Traxxas 8400 lipo
https://www.amazon.com/25C-11-1V-3-C.../dp/B005FUKQ5Y
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Old 06-18-2016, 08:18 AM
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Default Re: Rc4wd Excavator questions

Thanks for the reply I was looking at the tracks would I need to change the connector in the unit and do I need there id battery charger also?
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Old 06-18-2016, 11:19 AM
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Default Re: Rc4wd Excavator questions

Talking about LiPo batteries, advice to hook up a separate LiPo alarm unit, set at 3.6V . Can make a expencive battery last longer/take more recharges. If the cell voltage drops bellow a certain value, there will be damage reducing the life quite much. ESC's ofte have cut-off function for LiPo's but it's usally put very low, like 2.8-3V, no good. http://www.ebay.com/itm/1-8S-Lipo-Li...IAAOSw~uhUmqRp
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Old 06-18-2016, 11:57 AM
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Default Re: Rc4wd Excavator questions

not a rc4wd but my china kat runs this
Venom 1552 3S 11.1V 7500mAh 30C Lipo Battery
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Old 06-18-2016, 01:29 PM
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Default Re: Rc4wd Excavator questions

Quote:
Originally Posted by cummingsman29 View Post
Thanks for the reply I was looking at the tracks would I need to change the connector in the unit and do I need there id battery charger also?
Yeah you need a female XT60 to male TRX adapter. A normal lipo charger will do the trick as long as you order the Traxxas 8400 lipo battery with no ID connector like this



Don't order the battery with this connection


Adapter connector
http://www.ebay.com/itm/Zero-Wire-Di...YAAOSwd4tT1lvm
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Old 06-18-2016, 02:17 PM
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Default Re: Rc4wd Excavator questions

I cut off the ends and solder dean plugs in place
I bought this charger and it works great for both lipo and nimh
http://www.ebay.com/itm/Dynamite-Pro...QAAOSwcu5UNe6x
deans plugs
http://www.ebay.com/itm/20pcs-T-Plug...0AAOSwHnFV1uJ-
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Old 06-18-2016, 03:06 PM
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Default Re: Rc4wd Excavator questions

That's it now to find it without ID connector! Thank you!! I do need to order some more dean connectors I have changed all my trucks over to them. Thanks fellas is anyone running a sound unit in there excavators?
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Old 06-18-2016, 06:48 PM
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Default Re: Rc4wd Excavator questions

Andy managed to put a sound unit in his. Borrowed this picture from his thread.

http://www.rctruckandconstruction.co...?t=9415&page=2
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Old 06-18-2016, 06:56 PM
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Default Re: Rc4wd Excavator questions

Also if you happen to want a quick coupler and ripper check out these links
Quick coupler
http://www.rcbrmin.com/index.php?mai...roducts_id=956
Ripper
http://www.rcbrmin.com/index.php?mai...roducts_id=957
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  #12  
Old 06-19-2016, 01:06 AM
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Default Re: Rc4wd Excavator questions

Hi,

A friend of mine runs a the Beier Electronic USM-RC-2 Sound unit in his 4200 xl,

http://www.beier-electronic.de/model...2/usm-rc-2.php

Just a quick note if you go to order one, buy it with the cd but with on the user manual as user manual that come with it is not in English and then just download the user manual you want off there website.

I also have this sound unit in my Truck and I love it, I ended up ordering my speaker and speaker box from the Australian Servonaut dealer Kevin from Csmi, http://www.csmi.com.au/

Regards Cameron.
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Old 06-19-2016, 11:05 AM
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Default Re: Rc4wd Excavator questions

Just a heads up, I couldn't fit those 8400 size batts in my "2.0" excavator. Not sure if they've moved the valve block or just mine is off but anything longer than 145-150mm in length will hit a fitting on the bottom of the valve block. You may want to hold off on the batts till yours arrives and measure to make sure. You can always use another/smaller batt you have laying around to do functions tests and goof around a bit till your big batts arrive.
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Old 06-19-2016, 05:06 PM
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Default Re: Rc4wd Excavator questions

It's a tight fit but has just enough room to seat properly.

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Old 06-19-2016, 06:21 PM
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Default Re: Rc4wd Excavator questions

Just measured my batt again and really it's more like 135mm or shorter. You may be able to jam a 140mm but I'd be afraid to pinch the line or mess with the fitting with time going in and out with the battery. This zippy is 136mm in length.


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Old 06-19-2016, 06:52 PM
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Default Re: Rc4wd Excavator questions

Looks to be that your Zippy battery is wider then the Gens ace. Could it be ?
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Old 06-19-2016, 09:06 PM
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Default Re: Rc4wd Excavator questions

Gens ace 8400mah lipo is precisely 1 3/4" wide
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Old 06-19-2016, 10:01 PM
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Default Re: Rc4wd Excavator questions

Wow not a lot of room!
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Old 06-19-2016, 10:06 PM
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Default Re: Rc4wd Excavator questions

Zippy's right there, at most 1 13/16" (46.4mm.) 1/16" less width would still hit fixture I'm thinking though. Could just be mount/installation of block machine to machine. Either way just don't want OP to buy batts that are a no go dimension wise.
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  #20  
Old 06-19-2016, 10:46 PM
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Thumbs up Re: Rc4wd Excavator questions

Yeah definitely take measurements before ordering...these batts sure ain't cheap!
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