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Author Topic: Boxed trailing arms  (Read 7130 times)

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01SANDRAIL

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Boxed trailing arms
« on: July 13, 2009, 01:59:51 PM »
Got the parts back from the laser the other day and cant wait to weld these babies up. I will post up some pics when I get started.
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Offline fabr

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Re: Boxed trailing arms
« Reply #1 on: July 13, 2009, 02:26:07 PM »
Should be quite stout.Post those pics up!  ;D
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01SANDRAIL

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Re: Boxed trailing arms
« Reply #2 on: July 13, 2009, 02:33:13 PM »
They weigh in at just under 27lbs. each. I am thinking they should be much easier to build than my old tubular rear arms.
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Offline fabr

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Re: Boxed trailing arms
« Reply #3 on: July 13, 2009, 02:47:58 PM »
Yeah tubular is a bitch at times.thinking my next ones will be box design also.
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"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

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 " 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"

artie on edge

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Re: Boxed trailing arms
« Reply #4 on: July 13, 2009, 05:55:49 PM »
After having a good look at Dezert Racers site im intrigued about boxed arms (F and R) a mate of mine has been producing this beasty and this is the second chassis and his first foray into boxed arms.



Sorry about the green tint. The whole engine cradle is removable so the engine trans final drive module just drops down.

His first chassis used an Edge set up (like Doug builds and he wasnt at all happy with it after a couple of failures).

This is the guy I have to beat in our competition... hes looking harder and harder each day. At least his reflexes are as bad as mine (similar vintage).
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Offline fabr

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Re: Boxed trailing arms
« Reply #5 on: July 13, 2009, 06:47:09 PM »
My GOD! Those are massive!
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"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"

Islander

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Re: Boxed trailing arms
« Reply #6 on: July 13, 2009, 09:03:40 PM »
Won't be hurting them anytime soon :o
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artie on edge

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Re: Boxed trailing arms
« Reply #7 on: July 13, 2009, 09:14:15 PM »
Im hoping they'll act as ballast and slow him down... 8)
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Offline fabr

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Re: Boxed trailing arms
« Reply #8 on: July 13, 2009, 09:20:34 PM »
I don't want to sound like an ass or anything but aren't those attached to 25mmx50mm tube? Seem a bit mighty for such a small anchor point. Wanna try to get him on here?
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"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: Boxed trailing arms
« Reply #9 on: July 13, 2009, 09:22:04 PM »
Who built the chassis? Yoshi? :t :m dd: :m
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"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 Doug Heim

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Re: Boxed trailing arms
« Reply #10 on: July 13, 2009, 09:32:30 PM »
I believe he may have been unhappy with the original Edge design as he did not use the 3rd link like I do. I still swear by it in double A-arm rearends and dont see how others try to live without it especially in racing situations. Im not completly sold on trailing arms either. I do like the 5 and 6 links though.

The boxing of the suspention components is a great idea and look great. I agree there easier to build especially if you have access to laser / water jet, and press brake. Great work!
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Offline fabr

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Re: Boxed trailing arms
« Reply #11 on: July 13, 2009, 09:52:42 PM »
What 3rd link would that be? ;D ;D
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"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 Nutz4sand

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Re: Boxed trailing arms
« Reply #12 on: July 13, 2009, 10:46:44 PM »
The first pic of the green machine is a desert karts with the rear arms done like the plans. They twist if you run em hard.

The red one has rectangular tubes. The guy never bent one he claimed.

Would the red ones arms be considered boxed? lol.

I also think they might benefit from the right thickness of plate across them and welded to the rectangle tubes. Then they might really be considerd boxed? With a brace across the front of course. Maybe semi-boxed?  :P
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artie on edge

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Re: Boxed trailing arms
« Reply #13 on: July 13, 2009, 11:13:39 PM »
Quote from: Doug Heim on July 13, 2009, 09:32:30 PM
I believe he may have been unhappy with the original Edge design as he did not use the 3rd link like I do. I still swear by it in double A-arm rearends and dont see how others try to live without it especially in racing situations. Im not completly sold on trailing arms either. I do like the 5 and 6 links though.

The boxing of the suspention components is a great idea and look great. I agree there easier to build especially if you have access to laser / water jet, and press brake. Great work!

His problems were nothing to do with arm location. Component failure when used HARD... Ive had a look at teh results... (Busa powered and driven hard whenever it was turned on!)
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artie on edge

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Re: Boxed trailing arms
« Reply #14 on: July 13, 2009, 11:16:03 PM »
Quote from: Masterfabr on July 13, 2009, 09:22:04 PM
Who built the chassis? Yoshi? :t :m dd: :m

Yoshi inspired, he freely admints that and he did speak to yoshi and asked if he could reproduce design elements of the Sinister... good pick up Fabr.... this is a small car and teh arms look bigger than they are because of it... he also drives well.... (damn)
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