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-   -   First shot at custom chassis. (https://www.rc-monster.com/forum/showthread.php?t=18402)

trev3813 01.30.2009 01:52 AM

First shot at custom chassis.
 
Got bored, had a lexan shelf, So decided to do some fun. Not bad for a couple of hours and not even done yet =] Any questions LMK, but keep in mind, its still in rough shape, still got to sand, and find a way to mount the electronics. Definably giving me something to do, with 6 inches of fresh snow, and a blown up sled, i really need something to do.

http://i191.photobucket.com/albums/z...3/HPIM1687.jpg
http://i191.photobucket.com/albums/z...3/HPIM1689.jpg

Compared to stock chassis.
http://i191.photobucket.com/albums/z...3/HPIM1688.jpg

6 Cell Ni-Cd
http://i191.photobucket.com/albums/z...3/HPIM1690.jpg

Tempted 01.30.2009 02:03 AM

You are going to want to brace it with another piece of lexan. It will flex way too much like it is. You should also look into putting sides on it incase anything comes loose while running, otherwise you will spill the electronics/battery out of the sides.

trev3813 01.30.2009 02:05 AM

Good to know, maybe tomorrow i'll keep thinking and make some braces and sides and such. Thanks, the lexan is pretty thick, but 2 layers should be really strong, Not sure if im going to run this chassis, just a learning experience.

Tempted 01.30.2009 02:15 AM

I wouldn't stack two layers of lexan, just cut some pieces about 3/8" thick and mount them vertically underneath the chassis with screws about every 2".

BL_RV0 01.30.2009 08:39 PM

Cool.

trev3813 01.30.2009 08:57 PM

Quote:

Originally Posted by BL_RV0 (Post 257165)
Cool.

Thanks? :yes:

Takedown 01.30.2009 09:28 PM

Did you run it threw a bandsaw of was it dremel work?

trev3813 01.30.2009 09:59 PM

All dremel, still learning, i found a better way to cut it, so i think the next chassis will be better.

Takedown 01.30.2009 10:38 PM

Dont run plexiglass in the cold. It tends to be extremely brittle.

brushlessboy16 01.31.2009 12:09 AM

Quote:

Originally Posted by Takedown (Post 257197)
Dont run plexiglass in the cold. It tends to be extremely brittle.

its extremely brittle anywhere.... Do i need to remind you of the Warhead's transmission mount? :lol:



Just the other day at robotics, we couldnt tell if somethings was plexglass or lexan, so one of our engineers goes "thats lexan" and tries to flex it-SNAP! "i guess not"





Trev-if you were to make an ibeam style chassis with 2 side plates that stick up and hang down- you can run a battery on each side for your 12c setup:yes:

Takedown 01.31.2009 11:03 AM

Quote:

Originally Posted by brushlessboy16 (Post 257241)
its extremely brittle anywhere.... Do i need to remind you of the Warhead's transmission mount? :lol:



Just the other day at robotics, we couldnt tell if somethings was plexglass or lexan, so one of our engineers goes "thats lexan" and tries to flex it-SNAP! "i guess not"





Trev-if you were to make an ibeam style chassis with 2 side plates that stick up and hang down- you can run a battery on each side for your 12c setup:yes:

Plexiglass isnt to bad "if your not dropping the warhead from the ceiling".:lol:

MetalMan 02.01.2009 02:54 PM

Quote:

Originally Posted by Takedown (Post 257197)
Dont run plexiglass in the cold. It tends to be extremely brittle.

Plexiglass? I thought he used Lexan? Two completely different plastics... The only thing they share is their transparent nature :wink:. For instance, Lexan will absorb impacts (such as from bullets) whereas plexiglass shatters.

Takedown 02.01.2009 02:55 PM

Quote:

Originally Posted by MetalMan (Post 257689)
Plexiglass? I thought he used Lexan? Two completely different plastics... The only thing they share is their transparent nature :wink:. For instance, Lexan will absorb impacts (such as from bullets) whereas plexiglass shatters.

Misread what he had posted. My bad.:yes:

trev3813 02.01.2009 03:00 PM

Quote:

Originally Posted by MetalMan (Post 257689)
Plexiglass? I thought he used Lexan? Two completely different plastics... The only thing they share is their transparent nature :wink:. For instance, Lexan will absorb impacts (such as from bullets) whereas plexiglass shatters.

I think its lexan. How can i tell?

Takedown 02.01.2009 03:11 PM

When I saw the pic I thought it was plexiglass because it looks strongly like the stuff I use to use. One way to find out if its plexiglass or lexan is to try and flex it. If it breaks its most likely plexiglass and if it doesnt its probably lexan.

trev3813 02.01.2009 03:24 PM

Flex until it brakes?

MetalMan 02.01.2009 03:26 PM

Quote:

Originally Posted by Takedown (Post 257701)
When I saw the pic I thought it was plexiglass because it looks strongly like the stuff I use to use. One way to find out if its plexiglass or lexan is to try and flex it. If it breaks its most likely plexiglass and if it doesnt its probably lexan.

That's perhaps the best test to try :yes:

maxair45 02.01.2009 06:07 PM

I also did this for my rustler. I just used velcro to mount the rx and the esc. To mount th battery I drilledout a few holes and put a screw through the hole. I made a strap(made of lexan too of course) to go across and it would eb secured down by screwing a locknut on the screw. Wasn't the fastest way but It worked. You could always use associated battery cups(the ones the use for FLM chassis on rustlers).

Hope this helps

lincpimp 02.01.2009 06:25 PM

A 20 dollar walmart special jigsaw with a coarse tooth blade will be the best way to cut lexan/plexi that thick. Not really sure if that is the best material to use for a chassis... That being said I do have a few bombproof chassis and I know that MM has a fondness for clear plastic! As far as that pede chassis goes, use some 1/2" al angle and screw it along the sides to enhance the rigidity. You could actually ues that to make the sides for the battery tray... 2 for the price of 1!

trev3813 02.01.2009 07:48 PM

Sounds good guys. Haven't done much, been pissed at my sled, and in bike mode right now. Gotta save for upcomin MTB season.

lincpimp 02.01.2009 08:30 PM

Quote:

Originally Posted by trev3813 (Post 257795)
Sounds good guys. Haven't done much, been pissed at my sled, and in bike mode right now. Gotta save for upcomin MTB season.

MTB??? Midget Testicle Bashing? You guys up north do some weird stuff...

trev3813 02.01.2009 08:33 PM

MounTain Bike Sheesh, you think im a perv er somthin?

Silver_Flame101 02.01.2009 08:46 PM

Quote:

Originally Posted by trev3813 (Post 257808)
MounTain Bike Sheesh, you think im a perv er somthin?

:lol: You're way to serious.


Sorry Linc, I guess not everyone gets your jokes. :neutral:

lincpimp 02.01.2009 08:53 PM

Quote:

Originally Posted by Silver_Flame101 (Post 257813)
:lol: You're way to serious.


Sorry Linc, I guess not everyone gets your jokes. :neutral:

I would say about 6 out of 5 people get my jokes...

trev3813 02.01.2009 09:05 PM

Lol, i knew he was jokin, Thats why i said sheesh

brushlessboy16 02.01.2009 09:41 PM

Quote:

Originally Posted by lincpimp (Post 257806)
MTB??? Midget Testicle Bashing? You guys up north do some weird stuff...

speaking of which how is your midget training going?

trev3813 02.01.2009 09:42 PM

Haha

lincpimp 02.01.2009 09:56 PM

Quote:

Originally Posted by brushlessboy16 (Post 257824)
speaking of which how is your midget training going?

Had to give that up. My shins were taking a beating.

eovnu87435ds 02.08.2009 12:51 AM

Quote:

Originally Posted by trev3813 (Post 257704)
Flex until it brakes?

yes, flex it til it breaks. if it breaks, its plexiglass, and better now than out on a run, with expensive electronics. if it dont break, its lexan. i literally took a strip of lexan and tied it in a knot, pulled it as tight as i could. that crap just dont break. also, how was drilling holes? i tried drilling into a piece i thought was lexan, but it was plexiglass, and it spider cracked


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