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-   -   Project: "Al" (Oshkosh HEMTT 8x8, Axial Axles) (http://www.rccrawler.com/forum/multi-axle-rigs/194953-project-al-oshkosh-hemtt-8x8-axial-axles.html)

justinart24 08-18-2009 09:26 PM

Project: "Al" (Oshkosh HEMTT 8x8, Axial Axles)
 
Oshkosh HEMTT A2 M977 (Heavy Expanded Mobility Tactical Truck)
ESC: Novak Rooster
Motor: Integy 35t @ 2
Axles: Axial @ 4
Trans: Axial @ 2
Drivelines: Axial @ 4
Suspension: AX10 shocks set to droop @ 8
Body: Custom
Rims: TBD
Tires: TBD
http://i80.photobucket.com/albums/j1...k_mobility.jpg
Here is a 1:1 mock up I am working on in CATIA V5.
http://i80.photobucket.com/albums/j1...untitled-1.jpg

hbj069 08-19-2009 06:12 AM

nice, are you gonna try to use the trunion/walking beam set-up like the real ones?

KROGOTH 08-19-2009 06:28 AM

I will definitely be following this build, if you go through with it. HEMMT's are nice trucks.

It would be quite an accomplishment to see done as a scale R/C.

CUSTOMHILUX 08-19-2009 07:28 AM

What axels are you useing?"thumbsup"

justinart24 08-19-2009 10:25 PM

Quote:

Originally Posted by CUSTOMHILUX (Post 1950157)
What axels are you useing?"thumbsup"

"Axial""thumbsup"

fernando 08-20-2009 02:48 PM

Army Rig
 
Looking forward to seeing this build. I love the military rig projects. Badass trucks!"thumbsup"

DickyT 08-20-2009 03:19 PM

This looks like an incredible project "thumbsup"

I look forward to following it's build.

gyrene 08-21-2009 08:36 AM

I was at the Oshkosh website the other day looking at the military vehicles trying to get some ideas. I'll be watching this one. Subscribed!

rentstdi 08-21-2009 04:40 PM

subscribed

justinart24 08-22-2009 12:34 AM

Here is a cool trial truck video I found on youtube."thumbsup"
http://www.youtube.com/watch?v=fqbck...eature=related

http://www.youtube.com/watch?v=73ti_...eature=related

rentstdi 08-22-2009 10:28 AM

Why dont you make some pass-threw axles? then 1 tranny and less of a chance of CLODSTALL.

justinart24 09-02-2009 11:58 PM

Started to work on "Al" again.
-Mounted front Trans between the two front axles
-Marked up the placement of the axles.
http://i80.photobucket.com/albums/j1...4/8x8hemtt.jpg
Here is a little rendering I made, MSPaint! :thumbsup:
http://i80.photobucket.com/albums/j1...emttwarcrc.jpg

justinart24 09-04-2009 11:13 PM

Got some parts in the mail today. Pics to follow through out the weekend.

justinart24 09-06-2009 12:45 AM

Got some work done today, but don't really like it. Not sure if I will change it. Worried about the drive shaft size
http://i80.photobucket.com/albums/j1...4/P9051937.jpg
http://i80.photobucket.com/albums/j1...4/P9051935.jpg
http://i80.photobucket.com/albums/j1...4/P9051936.jpg

justinart24 09-06-2009 03:28 PM

Here is what the frame rails will look.
http://i80.photobucket.com/albums/j1...t24/8x8123.jpg

KROGOTH 09-06-2009 11:20 PM

Lookin good so far.

justinart24 09-17-2009 10:15 AM

I have decided this build will be just inspired by a HEMTT, a semi civilian 8x8. The look I am going for is what I would think a rich redneck would do to a Hemtt if he had money!
I found tires, there semi military scale looking, “2.2 HPI Racing Rock Grabbers”.
http://www3.towerhobbies.com/cgi-bin...?&I=LXWHX7&P=7
http://i80.photobucket.com/albums/j1...4/hpic4896.jpg

Other updates...
-Got 4 more ax10 shocks from Glenn(GGooler)*Thanks for the hook up GLENN!!!
-Limited travel of "8" shocks, total travel is only going to be about 3/4"-7/8"
-Got some "8" beadlocks coming this Saturday, will be painted flat black.
http://www3.towerhobbies.com/cgi-bin...&I=LXRGT3&P=ML
http://i80.photobucket.com/albums/j1...4/axic8095.jpg

leftcoastminis 09-17-2009 12:35 PM

Subscribed, looks good so far

cruiserkb 09-17-2009 01:42 PM

2 Attachment(s)
I was looking at that same tire and wheel combo for a Tonka build I am doing. Here is some shots of what those crazy Russians will do with a set of 52's.. The wheel and tire look very similar and if I remember rite the tire and wheel combo work out almost exact for a scale 2.2 wheel and tire.

Looks good so far!

justinart24 09-17-2009 02:02 PM

Quote:

Originally Posted by cruiserkb (Post 1999978)
I was looking at that same tire and wheel combo for a Tonka build I am doing. Here is some shots of what those crazy Russians will do with a set of 52's.. The wheel and tire look very similar and if I remember rite the tire and wheel combo work out almost exact for a scale 2.2 wheel and tire.

Looks good so far!

Thanks dood, cool pics!:mrgreen:

DonsATV 09-17-2009 02:36 PM

Quote:

Originally Posted by cruiserkb (Post 1999978)


Interesting rims on that rig, you can see the innertubes. :shock:

calikingcrawler 09-17-2009 09:13 PM

Ya I noticed that too. Would be cool to a show truck but very open to puncture. Guess it works for them.

justinart24 09-21-2009 07:27 PM

Updates...
-Mounted Second steering axle
-Made&put 4 link brackets on a axle servo plate.
-Bolted on 2nd servo(8711 :thumbsup: )
-Mounted 2 more Shocks mounts, 2 shocks
-Bolted on new 35t
-decided I will be using 14t pinon's
To do list-
-To much to list :annoy:
http://i80.photobucket.com/albums/j1...4/P9212418.jpg
Micro-Flex shot :lol:
http://i80.photobucket.com/albums/j1...4/P9212419.jpg
http://i80.photobucket.com/albums/j1...4/P9212404.jpg
Finally opening up some 2 used axles I got, can you say "need new bearing" :rofl:
http://i80.photobucket.com/albums/j1...4/P9212402.jpg

cruiserkb 09-22-2009 05:59 PM

1 Attachment(s)
Quote:

Originally Posted by DonsATV (Post 2000035)
Interesting rims on that rig, you can see the innertubes. :shock:


Here is the rim. Sorry if this is off topic.

Let me know how the tires work out, I may have to use a set for a build similar to this one but 6x6.

keep us posted as to the progress!

justinart24 09-24-2009 01:51 PM

Does anyone know what size this bearing is? I need to buy some new ones today.
http://i80.photobucket.com/albums/j1...axlewarcrc.jpg
*Thanks in advance!

Nate08 09-24-2009 02:02 PM

Quote:

Originally Posted by justinart24 (Post 2011377)
Does anyone know what size this bearing is? I need to buy some new ones today.
http://i80.photobucket.com/albums/j1...axlewarcrc.jpg
*Thanks in advance!

Search newb! ;)

Or just check your other thread where I already answered this for you :flipoff:

justinart24 12-01-2009 02:03 PM

Update…
-Took apart the 8x8 and have decided to make a Oshkosh Striker 1500 but with a USFS paint theme.
-Got in a pallet of .06” styrene yesterday :annoy: :lol:
-Think about making the wheel base 18”ish, not 23.5” like 1:1….lol
http://i80.photobucket.com/albums/j1...125f0d455f.jpg
http://i80.photobucket.com/albums/j1...e-2-spray1.jpg
And here is the paint theme.
http://i80.photobucket.com/albums/j1...t24/wt34lg.jpg
Here are some specs of the Oshkosh Striker 1500
Side Slope Stability (Static): >30°
Gradeability2: Ascend/descend a 60% grade
Vehicle Clearance Circle: 102 ft. (31 m)
Wheelbase: 234 in. (594.4 cm)
Dimensions: 415 in. (1054.1 cm) length; 122 in. (310 cm) width (excluding rear view mirrors); 136 in. (345.4 cm) height without HRET; 150 in. (381 cm) with HRET
CHASSIS: Cab: Aluminum construction; seating for up to five; center steering position; wrap-around, cockpit style instrument panel; easy to read backlit gauges and controls
Engine: Caterpillar C-16 diesel; four cycle; in-line six; 680 bhp (506 Kw) minimum at 2,100 rpm with a peak torque of 1,950 ft. lbs. @ 1,400 rpm
Transmission: Allison 4800 EVS; electronic; 7-speed; automatic Transfer Case: Oshkosh; independently mounted; with torque proportioning differential and driver selected locking mechanism
Front Axle: 29,000 lb. (13152 kg); Oshkosh double reduction with bevel gear differential; driver operated differential lock
Front Brakes: Dual wedge type
Rear Axle: 29,000 lb. (13152 kg); Oshkosh double reduction with bevel gear differential; driver operated differential lock
Suspension: Oshkosh TAK-4 independent system with dual control arms and single coil spring; up to 16 in. (40.64 cm) of wheel end travel; provides superior all-terrain mobility, improved ride quality and improved handling
Tires: Michelin® 24R21 XZL

FIREFIGHTING SYSTEM:
Roof Turret: Non-aspirating; electric joystick control; 375/750 gpm (1419/2838 lpm)
Bumper Turret: Non-aspirating; electric joystick control; 300 gpm (1136 lpm) Handlines (Foam/Water): Two preconnect type (one each side) with 150 ft. (46 m) of 1.75 in. (44 mm) ID hose and a 125 gpm (473 lpm) pistol-grip nozzle
Water Tank: 1,500 gallon (5678 l) capacity; constructed of corrosion and UV resistant polypropylene
Fire Pump Foam Tank: 210 gallon (795 l) capacity; constructed of corrosion and UV resistant polypropylene
Fire Pump : Power divider driven Waterous CRQA; single stage centrifugal; cast iron body; brass impeller; stainless steel shaft; pumpand-roll capable; 1,950 gpm (7,381 lpm)at 240 psi (1657 kPa)Foam Proportioning System: Around the pump

mariuswold 12-02-2009 01:18 PM

Hey man, you should check out this: http://www.norcc.com/vb/showthread.php?t=471 It`s all written in Norwegian, but this guy has some serious skills!

kuatto 12-19-2009 09:23 PM

Here is the build over at scale 4x4 all in english......
http://www.scale4x4rc.org/forums/showthread.php?t=17133

justinart24 12-20-2009 12:18 AM

Wow, I am getting thread jacked!:shock:


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