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-   -   Mack M75SX (https://www.rctruckandconstruction.com/showthread.php?t=1557)

9W Monighan 03-27-2011 07:08 PM

Re: Mack M75SX
 
Hope everything lines up ok in there Steve. That's definitely a strong setup if the pinion holds up. Do you have a link to the gears you are using?

ihbuilder 03-27-2011 07:27 PM

Re: Mack M75SX
 
Steve , here's the pinion http://store.rc4wd.com/HPI-Racing-Be...1-_p_1377.html

the rest I got off ebay same as what I have in the pan only I made the axle housing for the truck . Here's a listing http://cgi.ebay.com/HPI-Savage-X-25-...item2eb3d51c69 Oh yes everything lines up :D thank gawd :eek: I didn't want to do it all over :eek: I still have to make the axle shafts . I may take the cups off the diffs and run the axle shaft right in . This what the cups look like http://cgi.ebay.com/HPI-86864-Differ...#ht_4874wt_872 they go into the spool and you slide a pin through the end then the bevel gear goes over top .

mike , your looking at the rear axle components . axle housing done on the lathe

thanks Clyde :)

td9clyde 03-27-2011 07:38 PM

Re: Mack M75SX
 
i really need to get a four jaw chuck ........but then again i gotta get my barn made into a shop first hope to be gettin it all done this summer

Heavy Metal 03-27-2011 08:43 PM

Re: Mack M75SX
 
Beautiful Steve.

Jared 03-28-2011 11:25 PM

Re: Mack M75SX
 
Looks good! I've been following along partly because I don't know much about Mack off-highway trucks and because it's so different.

I was curious how the tandem axles would be driven. Not trying to be nit-picky, but is this the way the axles will be oriented when they go in the truck? If I'm looking at them the way I think I am they may wind up with one spinning forward and the other backwards unless one is flipped upside down. The front axle ring gear will reverse the rotation of the jackshaft. You may already have that taken into account but I would hate to see it happen. Years ago, a couple guys from my area built a monster truck from surplus army truck parts and when they were ready to take it for a drive the axles turned opposite! I'm not sure if they ever got it driveable.
Quote:

Originally Posted by ihbuilder (Post 23459)


ihbuilder 03-29-2011 07:16 AM

Re: Mack M75SX
 
Thanks Guys :)

Jared , yes , when put together the rear rear will be flipped . I guess I could have went into more detail and made a power divider like the real trucks .

IHSteve

tc1cat 03-29-2011 08:21 AM

Re: Mack M75SX
 
WOW!!! your workmanship just seems to be never ending. :):) Can't wait to see it under power.

rc_farmer 03-29-2011 09:38 AM

Re: Mack M75SX
 
Steve, you gonna have to give a shop class one day with all this great stuff you come up with....what's that thing they say about neccessity being a "mother"

keep up the good work!

ihbuilder 03-30-2011 10:39 PM

Re: Mack M75SX
 
I can't wait to either , Lynn I'm tired of man handling coal :confused:



Rob , I do not think you want to take my shop class :eek::p OSHA would prohibit it :eek: plus you'll have to wash your ears afterwards a lot of this is the main music in the shop some days , ###&&($%@!)##%%@

OH , " neccessity is the mother of invention " is on my shop door :p

just looked at another lathe today :confused: I wasn't going to :rolleyes: but curiosity never really killed the cat , the handle fit perfectly :D now the fun part trying to get it :(

ihbuilder 04-04-2011 09:46 PM

Re: Mack M75SX
 
I did a little yesterday mounted the front axle made some hinges for the body :confused: may mill an authentic looking assembly :confused: and I've been dragging my feet on making the rear hangers in hopes of using the big mill :( but got tiered of waiting :confused:

http://i830.photobucket.com/albums/z...r/PIC_1078.jpg

http://i830.photobucket.com/albums/z...r/PIC_1077.jpg

http://i830.photobucket.com/albums/z...r/PIC_1075.jpg

thats the back side of the hanger still got hrs to go on just that 1 :eek: will the tiag hold up :eek::rolleyes:

ihbuilder 04-16-2011 10:32 PM

Re: Mack M75SX
 
An excavating job came up :eek: All t&m :eek: and the customer keeps adding on :eek: so I'm not getting much time in the shop :(:mad: but did manage to glue some styrene together in the evening after getting home @ 6:30 as the alum was not welding well :( ( to much warping :( ) but this came out well :)

http://i830.photobucket.com/albums/z...r/PIC_1090.jpg

http://i830.photobucket.com/albums/z...r/PIC_1091.jpg


IHSteve

Stylin n profilin 04-16-2011 10:39 PM

Re: Mack M75SX
 
SAAAAAWWWEEETTT there Stevie boy....Thats some nice styrene work boss:D:D:eek:

RAIDERS 04-16-2011 11:23 PM

Re: Mack M75SX
 
looks great steve...

steamer 04-16-2011 11:33 PM

Re: Mack M75SX
 
Steve That styrene is great stuff. Only thing you have to watch out for when your going for a cool one is witch bottle you grab!!! Nice Work.
Rob

ihbuilder 04-16-2011 11:47 PM

Re: Mack M75SX
 
Quote:

Originally Posted by steamer (Post 25349)
Steve That styrene is great stuff. Only thing you have to watch out for when your going for a cool one is witch bottle you grab!!! Nice Work.
Rob

OH OH thats why it's empty :p:p:eek:

thanks guys :)

tc1cat 04-17-2011 12:11 AM

Re: Mack M75SX
 
Looking good there, Steve. You'll have it finished in no time:rolleyes::rolleyes:

Snochaser 04-17-2011 09:12 AM

Re: Mack M75SX
 
Looks great Steve! I hadn't seen what you plan on using for the dumping mechanism. What do you have up your sleeve for that? I'm sure it'll be slick as snot.

Ben

ihbuilder 04-17-2011 10:20 AM

Re: Mack M75SX
 
stock hydros ;) 2 - 4 stage cylinders . I still got a lot of shop time on this :(

SmallHaul 04-17-2011 11:05 AM

Re: Mack M75SX
 
Shaping up nice Steve!

td9clyde 04-17-2011 12:37 PM

Re: Mack M75SX
 
looking great i am likein that truck


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