Author Topic: AR-51 build  (Read 136783 times)

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Offline deranged

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Re: AR-51 build
« Reply #225 on: January 02, 2019, 06:39:22 AM »
Well, I done messed up....
So, my vertical spread on my inner center section is 10".  In theory this is fine, however when the center of your axle is 3.5" above the bottom pivot, the upright will not fit into the 14" wheel.... or a 15" wheel......  I found this minor detail after the center section is all tacked together.
Well shit.  I will have the vertical spread at 8" now.  I KNOW this will work as I drew up some templates and mocked things up. 
I should have looked at this a long time ago. 

I have the new drawings made up as well as motor mounts now.  One step back, but now I can go 3 steps ahead of that.....after I get back from Philly.

Here is a large piece of scrap.  HAA  I can re use the tubes though.  This Sunday I should have the new center tacked up with the motor mounts in place.  The new design will be a little better in the long run too.

 
 
I live nowhere near a desert....

Offline dsrace

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Re: AR-51 build
« Reply #226 on: January 02, 2019, 06:52:21 AM »
well that just happens sometimes and that's why we buy extra for our projects lol.  you need it done in time for the spring trip so no problem right lol
Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

Offline fabr

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Re: AR-51 build
« Reply #227 on: January 02, 2019, 06:58:20 AM »
Edison said"I have not failed. I've just found 10,000 ways that won't work."
« Last Edit: January 02, 2019, 06:59:58 AM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fabr

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Re: AR-51 build
« Reply #228 on: January 02, 2019, 07:07:47 AM »
I like/believe these too:  Henry Ford “Anyone who stops learning is old, whether at twenty or eighty.Anyone who keeps learning stays young.”  “Failure is simply the opportunity to begin again, this time more intelligently.”
« Last Edit: January 02, 2019, 07:14:03 AM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline deranged

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Re: AR-51 build
« Reply #229 on: January 02, 2019, 07:24:18 AM »
Yep, I’ve got plenty of steel to remake what I need. 
With the new design, I am able to capture the back of the pivot tabs as well as lighten the motor mounts.  Sometimes it’s good to mess up as there is always a better way to get things done. 
 Next spring trip probably won’t happen.  Just too much going on.

I live nowhere near a desert....

Offline Carlriddle

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Re: AR-51 build
« Reply #230 on: January 03, 2019, 06:11:12 AM »
Practice makes perfect.  I'm getting almost perfect with my list of do overs. LOL

You can keep your CHANGE, I'd like to keep my DOLLAR.

Offline deranged

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Re: AR-51 build
« Reply #231 on: January 07, 2019, 04:54:13 AM »
Well after my bottom lip stopped shaking and I wiped my tears away(insert image of a 4 yr old that lost a toy), I got some stuff done.

I re drew my inner bulkhead section, re drew my inner capture plates, drew my rear uprights and also cut said parts.  I ended up with an 8" vertical spread between my arms.  My upright clears the inside of my wheels and we are back on track!

Yesterday I got it all tacked up as well as actually attached to the chassis!  Next up is to build the new mid rail section for the back.  This will take me cutting more of the original chassis.  Where the "B" pillar attaches to the mid rail is where that will get cut and a new section that is longer and wider will meet the new vertical tubes on the bulkhead.

 

If you close one eye and squint really hard, you can kinda see how much longer the new chassis section is compared to the original. You can also see the clamped on piece of new 1.5" square as that is how far that new section will be coming back.


Justin
I live nowhere near a desert....

Offline Carlriddle

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Re: AR-51 build
« Reply #232 on: January 07, 2019, 05:19:15 AM »
I used a similar rear spool design with the G&G spline shaft.  I twisted the first shaft and had to upgrade to a heat treated one.  Running a zx12.  Id check to see if HT was done, Rick doesnt say on his site.  Small price for the added durability. 

Upgrade looks great, looking like 10-12" added to length??
You can keep your CHANGE, I'd like to keep my DOLLAR.

Offline deranged

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Re: AR-51 build
« Reply #233 on: January 07, 2019, 05:39:05 AM »
I used a similar rear spool design with the G&G spline shaft.  I twisted the first shaft and had to upgrade to a heat treated one.  Running a zx12.  Id check to see if HT was done, Rick doesnt say on his site.  Small price for the added durability. 

Upgrade looks great, looking like 10-12" added to length??
The wheelbase is 12" longer.  Good eye.  It will also be 6" overall wider too.
I will look into what Rick uses for shaft material.  Would it be better to cryo treat it vs heat treat?  I may have to look into that.
What does your car weigh?  I think I will be near 1200# with me in it after i'm done.

Justin
I live nowhere near a desert....

Offline fabr

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Re: AR-51 build
« Reply #234 on: January 07, 2019, 06:00:59 AM »
Cryo does not replace heat treating. It is an additional step . In your case (and 99% of all cases) HT is all that is needed. Best shaft material would be 8620 but 4340 is just fine also.
« Last Edit: January 07, 2019, 06:05:47 AM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline deranged

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Re: AR-51 build
« Reply #235 on: January 07, 2019, 07:14:46 AM »
Cryo does not replace heat treating. It is an additional step . In your case (and 99% of all cases) HT is all that is needed. Best shaft material would be 8620 but 4340 is just fine also.
Good point.

Could I heat treat the existing spool I already have?  It seems it's still good.

Justin
I live nowhere near a desert....

Offline fabr

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Re: AR-51 build
« Reply #236 on: January 07, 2019, 07:28:57 AM »
Not all steel is heat treatable. Do you know what it is made from?  Not all steels HT the same way either. The 8620 I referred to will not through harden leaving a hardened surface and a ductile core. The 4340 is through hardenable. Either will work well (and some others)but the composition needs known for the treater to be able to properly HT the item.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: AR-51 build
« Reply #237 on: January 07, 2019, 07:46:24 AM »
I used a similar rear spool design with the G&G spline shaft.  I twisted the first shaft and had to upgrade to a heat treated one.  Running a zx12.  Id check to see if HT was done, Rick doesnt say on his site.  Small price for the added durability. 

Upgrade looks great, looking like 10-12" added to length??


i remember when you twisted that shaft. not a little twist and i remember looking at that shaft and noticing it was the same shape and spline of an ag shaft i have seen many times on several pto's!  you were n/a then and i bet you rail weighs 1000 to 1100lbs.
Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

Offline dsrace

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Re: AR-51 build
« Reply #238 on: January 07, 2019, 07:47:08 AM »
deranged, is there no lip on that drive flange to capture the cv if the bolts were to loosen up?
Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

Offline deranged

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Re: AR-51 build
« Reply #239 on: January 07, 2019, 10:13:38 AM »
No sir, no lip.  I do check them before every trip though. 

That shaft is a G&G 21 spline shaft.  Model# 112A2221.  There is no spec on material type.  I may have to contact G&G to get that info so see if I can even heat treat it.

Justin
I live nowhere near a desert....

 

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