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Old 10-07-2010, 08:46 PM   #1 (permalink)
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howe & howe SR1 to SR9

I made all the axles for H&H on the SR1 to SR9 and military ripsaw over the years. I have many pics on the SR series i can share. There will be NO pics of MS1 and MS2. I personally delivered the first set SR1 axles to H&H in Maine back in 2008.
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Old 10-07-2010, 08:57 PM   #2 (permalink)
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Down in the motor pit with SR1 and SR2, changing fluids and belts. The motor pit is 1,250 feet under ground in the coal mine.
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Old 10-07-2010, 09:07 PM   #3 (permalink)
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Quote:
Originally Posted by steve gerstner View Post
SR1 to SR9, MS1 and MS2.
What does that stand for?
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Old 10-07-2010, 09:20 PM   #4 (permalink)
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What does that stand for?
SR1 to SR9, Subterranean Rover number one to 9 uints built. MS1 and MS2 ripsaw Military spec. one and two built.
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Old 10-08-2010, 04:52 AM   #5 (permalink)
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Now that's just too cool! Those guys do some real awesome work, can't give them enough props!
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Old 10-08-2010, 05:13 AM   #6 (permalink)
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They look like rockwells. One of them looks like it has steering. Why does a tracked vehicle need a steering axle?
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Old 10-08-2010, 05:52 AM   #7 (permalink)
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I bet the steering axle is for the SR1 - SR9 he posted in the first pics.

Why don't you tell us more about the axles and/or vehicles.
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Old 10-08-2010, 06:37 AM   #8 (permalink)
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Quote:
Originally Posted by GubNi View Post
They look like rockwells. One of them looks like it has steering. Why does a tracked vehicle need a steering axle?
The 2 1/2 ton axles are for the 5 man cars. I had to take a coarse to be certified to go in the coal mine to inspect the cars and conditions. I take all of my pics.
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Old 10-08-2010, 06:40 AM   #9 (permalink)
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The ripsaw tracked vehicles run a single 14 bolt with disc brakes for steering in the rear, and the SR buggies run rockwells front and rear(no rear steer).


edit: Steve beat me.

Side note, they have a TV show on the discovery channel called 'Howe & Howe Tech', and the second season should be airing pretty soon. Apparently they have a new version of the ripsaw tracked thingmajig, and it's amphibious!!!

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Old 10-08-2010, 07:33 AM   #10 (permalink)
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Quote:
Originally Posted by steve gerstner View Post
SR1 to SR9, Subterranean Rover number one to 9 uints built. MS1 and MS2 ripsaw Military spec. one and two built.
Is that ripsaw in the pic above using a mobile home axle as a front idler for the tracks?
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Old 10-08-2010, 07:55 AM   #11 (permalink)
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Is that ripsaw in the pic above using a mobile home axle as a front idler for the tracks?
Looks like a demountable rim, however they were used on alot more than just mh axles.
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Old 10-08-2010, 09:23 AM   #12 (permalink)
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so why does a rig that just carries people around a mine need coil overs and 2.5 tons
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Old 10-08-2010, 03:18 PM   #13 (permalink)
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so why does a rig that just carries people around a mine need coil overs and 2.5 tons
These were to be the first ones, these machines are beaten 24 hours 7 days a week is why so heavy duty. There was a 12 man car in the works, but ? These tires are equipment tires, soild rubber.
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Old 10-08-2010, 04:01 PM   #14 (permalink)
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These are sets SR3,4,5.
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Old 10-08-2010, 06:19 PM   #15 (permalink)
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besides the brakes they look like rebuilt axles is there anything special about them??
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Old 10-08-2010, 07:19 PM   #16 (permalink)
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Steve was your involvment only in the axles, or in the entire rig? How about some more info on the rest of the drivetrain, suspension, and what they are used for?
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Old 10-08-2010, 07:24 PM   #17 (permalink)
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they are powered by a cummins diesel and are $90k

they dont seem to solve any problems currently experienced with regular man trips... aside from being 4 wheel drive
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Old 10-08-2010, 07:34 PM   #18 (permalink)
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besides the brakes they look like rebuilt axles is there anything special about them??
No lockers, the main concern was the seals, the harsh environment. Some of my ideas, Double pinions, new rear seals.
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Old 10-08-2010, 07:36 PM   #19 (permalink)
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Cummins 4QSB(the newest emisions certified version of the 4BT IIRC), backed by an allison auto, NP205, and rockwells(obviously). Suspension is a trinagulated 4 link front and rear.
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Old 10-08-2010, 08:43 PM   #20 (permalink)
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Steve was your involvment only in the axles, or in the entire rig? How about some more info on the rest of the drivetrain, suspension, and what they are used for?
When i delivered the the first set of axles Geff showed me everthing they were doing, the engines, trans. 545, the master jig for the frames. I was the vendor for the axles. I talked to Mike and Geff alot on the phone through the SR series and MS 1&2. Sent them some stuff for the new amfib. I am under contract not to release any info. on the MS series (ripsaw), no pics. Axle sets SR5 to 9.
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Old 12-20-2010, 11:55 PM   #21 (permalink)
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any other info would be cool, my dad is seriously trying to talk me into building him one, not sure if its within my capabilities, but where would one source tracks for something similar? any info is greatly appreciated, nice work as always on the axles steve g.
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Old 09-23-2011, 02:34 PM   #22 (permalink)
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I work at th mine these are at. We replace brakes ever other week, and u joints once a month. Nothing holds up down there. The acidic water eats all the seals out of the axles so we replace them every other month,if not sooner. The 4 link works pretty good as long as u dont hit a hole to hard then theyll snap. The hind joints last a week before they are poppin. The cummins diesel,allison trans, and divorced 205 transfer case holds up great considerin what we put them thru. Iv seen them walkd up the rib flexed to the max and water to the bottom of the steering wheel. The transfer case on the electricians ride want hold dope so we pumped it full of grease to get it by a few more days but its been in there at least a year so thats good considering.
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Old 09-23-2011, 05:37 PM   #23 (permalink)
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as well as pirate4x4!!\
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Old 09-23-2011, 06:18 PM   #24 (permalink)
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God bless America, it is good to see some home grown ideas puttin good ole boys to work. Thanks to all you guys who go into those mines that is a hard job. Axles look bitchin Steve.
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Old 09-23-2011, 11:52 PM   #25 (permalink)
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hey guys, if you missed the show, here's a vid from it of the new amphibious rig - 'riptide'...
Riptide Demo for the US Army - YouTube

yea yea, lots of dramatization and stuff, but it's a TV show. REALLY impressive work for going from CAD to final prototype in ~4 months 600HP/1000lb-ft duramax, alison 1000, 14 bolt for track drive, 2 jet drives, 65mpg land, 15-25 knots on water.

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I work at th mine these are at. We replace brakes ever other week, and u joints once a month. Nothing holds up down there. The acidic water eats all the seals out of the axles so we replace them every other month,if not sooner. The 4 link works pretty good as long as u dont hit a hole to hard then theyll snap. The hind joints last a week before they are poppin. The cummins diesel,allison trans, and divorced 205 transfer case holds up great considerin what we put them thru. Iv seen them walkd up the rib flexed to the max and water to the bottom of the steering wheel. The transfer case on the electricians ride want hold dope so we pumped it full of grease to get it by a few more days but its been in there at least a year so thats good considering.
wow, i would've never guessed that parts would wear out that fast down there, that's just crazy!
how do the howe and howe rigs compare to the 'standard' industry equivalent?
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