RCCrawler Forums

TURTLE · 01-08-2009, 07:40 PM

Hello all decided to build a fresh rig, so I scratched the drive shaft dig and went with a Vf dig system and decided to power up with a cobalt 7 turn puller motor.
I went with the cobalt crawler 5 chassis, it has a fresh look and plenty of room for this huge motor.
Here is a link to the chassis.
***New*** Cobalt Crawler 5 Chassis
Here are a couple teaser photos to start.

I'll get to work on this tonight alittle and let you guys know what I get done.
Thanks
Ty

akguanja · 01-08-2009, 07:53 PM

looks like a good start turtle. keep em comeing.

- tre

Rathgar · 01-08-2009, 07:53 PM

nice looking chassis.is it going too hold up?

Dont let Patrick or Jason drive it.

TURTLE · 01-08-2009, 07:58 PM

Quote:

Originally Posted by Rathgar

nice looking chassis.is it going too hold up?

Dont let Patrick or Jason drive it.

I think as long as it is braced properly it should be pretty good. I'll give it a good beating myself.

It comes with two delrin plates to brace from the top but I think I am going to simplify it a little and go with some delrin and TLT stand-offs that I made a little while ago.

redrover · 01-08-2009, 08:01 PM

It is Raptormans Chassis. Ive seen him do some BAD stuff to his trucks.
Including throwing it 15ft up into the side of a tree.

Also he is a Power Junky. Im sure if he came up with it - Itll hold up.

TURTLE · 01-08-2009, 08:30 PM

Yeah the side plates are pretty thick, but not over kill, with no bracing it can flex a little, but not bad at all, it should be a tank when its all braced up.

billet works · 01-08-2009, 09:21 PM

Finished build pics yet???

carzlutt · 01-08-2009, 10:20 PM

never seen a chassis w/ a opening like that befor, im interisted in how it flex's and such out on the trail, is there nothign that ever links the open end of the frame to teh skid?

TURTLE · 01-09-2009, 11:27 AM

umm... yes?

Im not very good at translating so someone else may need to do that for me.
So anyway spent last night and a little time today on this and got it to a roller status, its coming together pretty easily with the exception of the dig unit. I don't believe this chassis was designed for a transmission dig. The reason for this thinking is that when I put the lower links on and mounted the transmission the driver side rear lower link was sitting on the dig unit.
So what I did was just put two small washers under the transmission to raise it up enough so that it will flex. I have also heard that the dig unit can be ground down alittle for things such as this.

One of my favorite parts about this chassis is being able to to use the stock axial lower links (in my case the high clearance ones).

Alright here is what I am running:
Axial hardened diff, pinion and lockers
RCP knuckles, c's and straight axle lock outs
hitec 985mg servo (steering)
Hitec 645mg (dig)
8/32 allthread upper links with jato rod ends
Axial wheels (narrowed)
Duratrax 4 inch threaded body shocks
integy blue springs in front
duratrax yellow on torque side rear
losi white on pass. side rear
ten weight oil in front
45 weight torque side
ad 25 on passenger side rear
tcs upper link mount on front
custon upper link mount in rear
mamba max esc
dx3r radio and sp3100 reciever
Losi rock claws tires
Right now I am going to run 8 oz in the front and 1 1/2 oz i the rear total.
I think that about covers it.
Ty

racerx · 01-09-2009, 11:43 AM

I want to be on Team Patrick! I want stuff dammit! Looks good Ty, I may have a good set of Claws I can part with if you need rubber (they were on beadlocks so no glue)

Never mind, I just saw Claws on the spec list. OOOPS.

TURTLE · 01-09-2009, 12:02 PM

Quote:

Originally Posted by racerx

I want to be on Team Patrick! I want stuff dammit! Looks good Ty, I may have a good set of Claws I can part with if you need rubber (they were on beadlocks so no glue)

Never mind, I just saw Claws on the spec list. OOOPS.

Thanks anyway Rob

Yeah I have some that are in pretty good shape.
Will do. I got the elcronics in... for the most part. I'll snap a few shots and get them posted.
Thanks
Ty

TURTLE · 01-09-2009, 01:53 PM

Alright I got most of the electronics in, the dig needs to be dialed in, but it works for now.
I didn't want to clutter up the inside of the chassis so I mounted the 645 servo to the outside of the chassis to a pretty thick piece of lexan. seems to be fine.
Plus i had to go to a 84t spur gear so it would not rub on my drive shafts. Im running the modified max shafts with the metal axial yokes with the ears cut off on the inside of a drilled out max yoke. Probably the easiest and cheapest drive shaft to have and modify, plus if you mess up its only a couple bucks for new shafts. Not to mention they are strong!

Tons of room for the puller!

You can get a idea of the dig set up here.

Thats it for now, I'll try to go for a test run alittle later.
Any questions hit me up
Ty

TURTLE · 01-10-2009, 12:37 AM

Well took it out for a little while, its geared a little low, so Im going to bump it it up to a 18 or 20 pinion and bump the voltage from 8 to 12 should add some get up and go to this baby.
I got one shot for now.

akguanja · 01-10-2009, 01:09 AM

ocho!

looks sick ty.

- Tre

plod · 01-10-2009, 04:07 AM

Quote:

Originally Posted by TURTLE

I don't believe this chassis was designed for a transmission dig. The reason for this thinking is that when I put the lower links on and mounted the transmission the driver side rear lower link was sitting on the dig unit.

Have to agree with you there. Shaved a little material off my rod end, not had chance to check durability as been too busy with nitro racing. If it fails will shim it up similar to yourself.

TURTLE · 01-10-2009, 07:21 PM

Quote:

Originally Posted by akguanja

ocho!

looks sick ty.

- Tre

Gracias!

Quote:

Originally Posted by plod

Have to agree with you there. Shaved a little material off my rod end, not had chance to check durability as been too busy with nitro racing. If it fails will shim it up similar to yourself.

Yeah I am a little werry about messing with those links at all I usually run some pretty beefy links, we will see how these hold up, I think right now they are the weak link.

Quote:

Originally Posted by GH Racing

thats a sweet looking chassis

Yeah it is pretty cool looking.
Thanks guys.
Didn't work on this at all today, decided to play some pond hockey and watch the Av's game.

Reflection · 01-25-2009, 12:06 PM

Looking pretty good Ty. How's it holding up so far? I've got an idea on how to fix the skid/link/dig issue. I sent Kenny a prototype skid to test,but have yet to hear anything.

The chassis will flex a little. I've been pretty rough on mine for a good while now and she's still like new.

Firefox · 01-26-2009, 04:57 PM

Quote:

Originally Posted by plod

Have to agree with you there. Shaved a little material off my rod end, not had chance to check durability as been too busy with nitro racing. If it fails will shim it up similar to yourself.

Where did you get the body ?

Just ordered my 1st AX10

Thanks
Firefox

01-08-2009, 07:40 PM	#1
TURTLE Gettin’ back on the horse Join Date: Feb 2006 Location: Hoonsville Posts: 6,671	Cobalt crawler 5 chassis build up Hello all decided to build a fresh rig, so I scratched the drive shaft dig and went with a Vf dig system and decided to power up with a cobalt 7 turn puller motor. I went with the cobalt crawler 5 chassis, it has a fresh look and plenty of room for this huge motor. Here is a link to the chassis. *New* Cobalt Crawler 5 Chassis Here are a couple teaser photos to start. I'll get to work on this tonight alittle and let you guys know what I get done. Thanks Ty

01-08-2009, 07:53 PM	#2
akguanja RCC Addict Join Date: Jun 2008 Location: Wasilla Posts: 1,304	looks like a good start turtle. keep em comeing. - tre

01-08-2009, 07:53 PM	#3
Rathgar Pebble Pounder Join Date: Sep 2007 Location: c.s. Posts: 189	nice looking chassis.is it going too hold up? Dont let Patrick or Jason drive it.

01-08-2009, 08:01 PM	#5
redrover Quarry Creeper Join Date: Jan 2006 Location: ---EAST--TN--- Posts: 352	It is Raptormans Chassis. Ive seen him do some BAD stuff to his trucks. Including throwing it 15ft up into the side of a tree. Also he is a Power Junky. Im sure if he came up with it - Itll hold up.

01-08-2009, 08:30 PM	#6
TURTLE Gettin’ back on the horse Join Date: Feb 2006 Location: Hoonsville Posts: 6,671	Yeah the side plates are pretty thick, but not over kill, with no bracing it can flex a little, but not bad at all, it should be a tank when its all braced up.

01-08-2009, 09:21 PM	#7
billet works I wanna be Dave Join Date: Jun 2007 Location: Earth Posts: 2,488	Finished build pics yet???

01-08-2009, 10:20 PM	#8
carzlutt Pebble Pounder Join Date: Sep 2007 Location: Fallbrook Posts: 176	never seen a chassis w/ a opening like that befor, im interisted in how it flex's and such out on the trail, is there nothign that ever links the open end of the frame to teh skid?

01-09-2009, 11:27 AM	#9
TURTLE Gettin’ back on the horse Join Date: Feb 2006 Location: Hoonsville Posts: 6,671	umm... yes? Im not very good at translating so someone else may need to do that for me. So anyway spent last night and a little time today on this and got it to a roller status, its coming together pretty easily with the exception of the dig unit. I don't believe this chassis was designed for a transmission dig. The reason for this thinking is that when I put the lower links on and mounted the transmission the driver side rear lower link was sitting on the dig unit. So what I did was just put two small washers under the transmission to raise it up enough so that it will flex. I have also heard that the dig unit can be ground down alittle for things such as this. One of my favorite parts about this chassis is being able to to use the stock axial lower links (in my case the high clearance ones). Alright here is what I am running: Axial hardened diff, pinion and lockers RCP knuckles, c's and straight axle lock outs hitec 985mg servo (steering) Hitec 645mg (dig) 8/32 allthread upper links with jato rod ends Axial wheels (narrowed) Duratrax 4 inch threaded body shocks integy blue springs in front duratrax yellow on torque side rear losi white on pass. side rear ten weight oil in front 45 weight torque side ad 25 on passenger side rear tcs upper link mount on front custon upper link mount in rear mamba max esc dx3r radio and sp3100 reciever Losi rock claws tires Right now I am going to run 8 oz in the front and 1 1/2 oz i the rear total. I think that about covers it. Ty

01-09-2009, 11:43 AM	#10
racerx I wanna be Dave Join Date: Sep 2005 Location: R.I.P. Chip Posts: 2,024	I want to be on Team Patrick! I want stuff dammit! Looks good Ty, I may have a good set of Claws I can part with if you need rubber (they were on beadlocks so no glue) Never mind, I just saw Claws on the spec list. OOOPS.

01-09-2009, 01:53 PM	#12
TURTLE Gettin’ back on the horse Join Date: Feb 2006 Location: Hoonsville Posts: 6,671	Alright I got most of the electronics in, the dig needs to be dialed in, but it works for now. I didn't want to clutter up the inside of the chassis so I mounted the 645 servo to the outside of the chassis to a pretty thick piece of lexan. seems to be fine. Plus i had to go to a 84t spur gear so it would not rub on my drive shafts. Im running the modified max shafts with the metal axial yokes with the ears cut off on the inside of a drilled out max yoke. Probably the easiest and cheapest drive shaft to have and modify, plus if you mess up its only a couple bucks for new shafts. Not to mention they are strong! Tons of room for the puller! You can get a idea of the dig set up here. Thats it for now, I'll try to go for a test run alittle later. Any questions hit me up Ty

01-10-2009, 12:37 AM	#13
TURTLE Gettin’ back on the horse Join Date: Feb 2006 Location: Hoonsville Posts: 6,671	Well took it out for a little while, its geared a little low, so Im going to bump it it up to a 18 or 20 pinion and bump the voltage from 8 to 12 should add some get up and go to this baby. I got one shot for now.

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01-10-2009, 01:09 AM	#14
akguanja RCC Addict Join Date: Jun 2008 Location: Wasilla Posts: 1,304	ocho! looks sick ty. - Tre

01-25-2009, 12:06 PM	#17
Reflection TEAM MODERATOR Join Date: May 2004 Location: Tennessee Posts: 10,855	Looking pretty good Ty. How's it holding up so far? I've got an idea on how to fix the skid/link/dig issue. I sent Kenny a prototype skid to test,but have yet to hear anything. The chassis will flex a little. I've been pretty rough on mine for a good while now and she's still like new.

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Thread: Cobalt crawler 5 chassis build up