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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Rock Crawlers >> Started new project
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Started new project - 12/26/2006 10:31:13 AM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		had a little time over the weekend (okay house was full of people and i was hiding in the shed)

anyways i started a new tuber build-up. deffinately going to be a shafty. not sure if i'm gonna use tlt axles or custom make some maxx style axles. not there yet anyways. i did get a good jump on the frame though.

drew up a little plan so i had a place to start:


made some pattern boards for the more difficult bends:




made a some bends:


cut off the overlap areas:


ended up with some fairly uniform peices (little off but not enough to bother):


off to the shed for some brazing:






since the tranny will hang out the bottom a little i bent up a belly plate for protection. not sure how i'm gonna mount it yet because i want to be able to access the tranny bolts, may drill holes to get at the bolts or make it so it will come off altogether:


post up some more as i get it done....







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If it ain't broke don't fix it!! so lets go break something...
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RE: Started new project - 12/26/2006 4:47:55 PM   
pratty350z


 

Posts: 25
Joined: 9/10/2006
From: derby, UNITED KINGDOM
Status: offline 		looking good

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You can't run the race, the pace is too fast u just wont last.KEEP PUSHING TILL IT SCRAPES THE WALL!!!

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RE: Started new project - 12/26/2006 11:23:22 PM   
Acs_guitars



Posts: 2055
Joined: 2/22/2004
From: Tulsa, OK, USA
Status: offline 		Great start! I think you should go for the maxx hybrid axles.... The added diff clearance is a plus and they look awesome!

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RE: Started new project - 12/27/2006 9:20:03 AM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		pratty350z,
thanx

Acs_guitars ,
i think the maxx hybrids are what i am going for. i've been over at rcc picking the brains of the masters (love the search button). i've seen probably a half a dozen different well thought designs but i think i have narrowed to two

TWISTEDTOYS design (pic is from someone elses thread. twisted's has no pics);


TWINSET's design (looks nice but much harder to acheive i think);


did get the chassis all brazed together yesterday, however the batteries were dead in my camera so i haven't got pics yet. should be able to get a few this evening.


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If it ain't broke don't fix it!! so lets go break something...

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RE: Started new project - 12/27/2006 3:12:11 PM   
Anomie



Posts: 3356
Joined: 4/15/2005
From: Liverwurst, CA, USA
Status: offline 		Nice work! That is a cool design, and that belly pan is a great idea.

Keep up with the pics!

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http://www.rcuniverse.com/forum/m_377662/tm.htm

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RE: Started new project - 12/27/2006 11:03:52 PM   
Acs_guitars



Posts: 2055
Joined: 2/22/2004
From: Tulsa, OK, USA
Status: offline
quote:

ORIGINAL: xtremraptor
TWISTEDTOYS design (pic is from someone elses thread. twisted's has no pics);





That set is my favorite of all that I have seen on RCC... I plan on making a set myself once I have built up the TLT. I'm starting with a semi-scaler before going to a super.

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RE: Started new project - 12/27/2006 11:52:41 PM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		i took a shot at brazing up the axles. mapp gas won't get the washer hot enough at full thickness, might be low on gas. i know i'm out of oxy though for my other set-up. i'll pick up another tank this weekend and that should fix it.

busted my bandsaw blade too so i need a new one of them also. been cutting by hand

sorry worked late no pics.


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If it ain't broke don't fix it!! so lets go break something...

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RE: Started new project - 12/28/2006 4:20:11 AM   
CustomTamiyas4Life



Posts: 6888
Joined: 5/4/2005
From: griswold, CT, USA
Status: online 		Very unique design!

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TNX-Converting to gasser / E-firestorm / Clod crawler/ Tamiya Rising Storm / Project 3B in progress / walkera 4 / mini-t

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       Post #: 8

RE: Started new project - 12/28/2006 10:47:11 AM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		had to run down to the shed this mornin', so i snapped a few pics while i was down there.







after finishing the frame and sticking the tranny in i was able to cut the belly pan down some to help lower the chassis height;


got the hieght just barely over 5";


i almost messed up. i can just barely get the tranny in there. plenty of room in the chassis, but getting the tranny in there is very tight. i still may have to cut and redo the rear loop that goes over the shaft to get a little extra space


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If it ain't broke don't fix it!! so lets go break something...

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RE: Started new project - 1/1/2007 11:57:47 PM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		i wasn't able to get much done this weekend but i did manage to get the tranny and GD600 figured out.

i am using a t-maxx tranny that has been converted back to the original SPORTMAXX gearing. this made it a single speed tranny without modifying or screwing the gears together inside.

input shaft: 19 tooth
center shaft: 41/28 tooth
bottom shaft: 26 tooth FOC gear

could someone explain how to get the ratio of this tranny. i divided 41 by 19 came up with 2.15. i divided 28 by 26 and came up with 1.07. do i add these (2.15 + 1.07 = 3.22) or do i multiply them (2.15 x 1.07 = 2.3005)? not sure which is right. i can figure the rest of the ratio after that i just can't seem to figure out the tranny itself. as soon as i figure that out i can pick out my spur/pinion setup.

anyhow here's some pics of the GD600 mounting:









here's some pics of it all stuffed in the chassis:










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If it ain't broke don't fix it!! so lets go break something...

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       Post #: 10

RE: Started new project - 1/2/2007 1:01:38 AM   
Anomie



Posts: 3356
Joined: 4/15/2005
From: Liverwurst, CA, USA
Status: offline
quote:

ORIGINAL: xtremraptor

i wasn't able to get much done this weekend but i did manage to get the tranny and GD600 figured out.

i am using a t-maxx tranny that has been converted back to the original SPORTMAXX gearing. this made it a single speed tranny without modifying or screwing the gears together inside.

input shaft: 19 tooth
center shaft: 41/28 tooth
bottom shaft: 26 tooth FOC gear

could someone explain how to get the ratio of this tranny. i divided 41 by 19 came up with 2.15. i divided 28 by 26 and came up with 1.07. do i add these (2.15 + 1.07 = 3.22) or do i multiply them (2.15 x 1.07 = 2.3005)? not sure which is right. i can figure the rest of the ratio after that i just can't seem to figure out the tranny itself. as soon as i figure that out i can pick out my spur/pinion setup.



Just multiply the two. Your result of 2.3 is correct.

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http://www.rcuniverse.com/forum/m_377662/tm.htm

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RE: Started new project - 1/2/2007 8:36:07 AM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		cool THANX Reiko


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If it ain't broke don't fix it!! so lets go break something...

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RE: Started new project - 1/8/2007 9:37:16 AM   
xtremraptor



Posts: 504
Joined: 11/2/2004
From: fairfax, VT, USA
Status: offline 		axles are made....

i got upset with the washer idea. they are very thick and i was having a hard time brazing them. just couldn't get them hot enough to accept a good braze. well i can but with the small oxy/mapp set-up i was using ALOT of oxy trying to get it to work.

next idea i went too Tractor Supply and picked up a peice of sheet metal (16 guage/ about 1/16" thick) cut some plates and used these instead. more work than just using the washer but i like it better in the long run

just need to clean them up some that's all







couple of shots of the project as it stands right now:








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If it ain't broke don't fix it!! so lets go break something...

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       Post #: 13

RE: Started new project - 1/8/2007 7:31:01 PM   
subyman


 

Posts: 65
Joined: 1/19/2005
From: Benton, IL, USA
Status: offline 		Looking good. What did you use to secure the shocks to the tie rods?

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