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  #346 (permalink)  
Old 03-26-2012, 12:44 PM
NEW INTERIORS's Avatar
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look's like your on to something there..

triangulation is very important... A lot of people forget just how much it help's when building something..

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  #347 (permalink)  
Old 04-09-2012, 07:49 AM
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The small tube gusset wasn't cutting it. I needed to do something more substantial, but not super heavy. I also decided the mounts needed upper biscuits.

I wanted a flange to go around the buscuit, but didn't have the right size tube...so I made my own. ...from cop car kick panels.

I started by making a strip of flat stock.


wrapped around a piece of roll bar tube


it worked!


Now that I had a better idea what I was making, I cleaned up the end




time for sheetmetal gussets






the top bolt hole was the hard part to figure out. I sleeved it and then cut the sleeve down.





I welded the circles first (welds under the big gusset)


and added speed holes


socket fits great on the top bolt


with a rubber


Now the other side.

The passenger side mount is shorter due to the engine offset (more foot room for me). I had to cram things closer to get it all to fit. hammer time!










Now to give it something to bolt to






trimmed to sit on the X-brace




test fit






did the same thing for the other side


I now have a mounted motor!
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  #348 (permalink)  
Old 04-09-2012, 07:49 AM
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Now to test out my idea for using the Ford leafspring. I have no idea what sort of spring rate this car actually needs.

I bolted it to the crossmember and let the ends rest on the control arms




too high and this thing was solid as ****! The weight of the jag and my fat *** on the crossmember didn't hardly budge it!

pull out a bunch of leaves


better


but still not much movement. you think the rust has any thing to do with that? ...duh!



I cleaned up the leaves and greased everything up (and pulled one more leaf). ...lots better!




I added some of the removed leaves to the bottom of the pack to raise the pack (lower the car)






close enough until the car gets more weight. I'm sure I will have to fine tune it some more.
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  #349 (permalink)  
Old 04-09-2012, 08:56 AM
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After bouncing the car on the front spring, it sure was hard to not set it on the ground and bounce it on both ends.

Before I get too carried away, I need to flip it over and weld the bottom sides of a lot of the joints.
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  #350 (permalink)  
Old 04-09-2012, 10:20 AM
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Somebody on another site questioned my test of the spring rate. Do y'all have any input on the subject?

Quote:
If i'm not misunderstanding your proposed suspension, the control arms will have a leveraging effect on the spring, and the strength of spring will have to be greater than what your trial setup indicates.

Dave Cameron
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  #351 (permalink)  
Old 04-09-2012, 11:32 AM
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I see his point but don't know how much it could effect and how to test it. If the spring was attaching to that lower control arm further back towards the frame I could see what he is saying, the leverage multiplication would make the spring need to be stronger. But being you are out there beyond center and closer to the end I don't see that it would make much of a difference. And how you would measure it, I would simply put it together and see, being I certainly don't have a friggin clue as to the formulas to figure such a thing out.

I see you removed that bar coming forward, looks much better. It really wasn't "triangulating" at all it was going straight out level and doing next to nothing so it wasn't needed. And aesthetically, it is MUCH better without it.

I love this build thanks for posting all the photos.

Brian
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  #352 (permalink)  
Old 04-09-2012, 01:21 PM
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looking good! idk what to tell you about testing spring rate though, over my head.
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  #353 (permalink)  
Old 04-09-2012, 01:25 PM
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Quote:
Originally Posted by MARTINSR

I see you removed that bar coming forward, looks much better. It really wasn't "triangulating" at all it was going straight out level and doing next to nothing so it wasn't needed.

Brian

If this isn't TRIANGULATION,, THEN WHAT IS...

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  #354 (permalink)  
Old 04-09-2012, 01:28 PM
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I wasn't talking about that one Randy, I was talking about the brace he had going from the firewall support over to the frame rail.

But honestly, that isn't a true "triangulated" support either. The brace going down at an angle is doing 99% of the support. It isn't like support going across a corner like this.


If you look at the lower corner of the triangle you added, there is nothing there, the bend in that piece would do next to nothing what so ever in holding the motor up by it's self, it is more aesthetic than anything. But that is nit picking and I don't mean to argue with you over this. But just to throw it all out and discuss.

Brian

Last edited by MARTINSR; 04-09-2012 at 01:33 PM.
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  #355 (permalink)  
Old 04-09-2012, 01:34 PM
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Believe in yourself !!!!!!
 

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Quote:
Originally Posted by MARTINSR
I wasn't talking about that one Randy, I was talking about the brace he had going from the firewall support over to the frame rail.

Brian

He was posting about his motor mounts and I made a comment about TRIANGULATION,,Then you come back with ''It really wasn't "triangulating" at all ''.. Didn't sound right on this end...
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  #356 (permalink)  
Old 04-09-2012, 01:35 PM
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What ever man !!!
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  #357 (permalink)  
Old 04-09-2012, 01:37 PM
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Oh sorry, didn't mean to sound offending.

Brian
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  #358 (permalink)  
Old 04-09-2012, 02:12 PM
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Quote:
Originally Posted by NEW INTERIORS
If this isn't TRIANGULATION,, THEN WHAT IS...

I'm pretty sure he was talking about the horizontal piece I had mocked up (going from the firewall brace to the frame arch)

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  #359 (permalink)  
Old 04-09-2012, 02:20 PM
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That is exactly what I was talking about. By the way your motormounts ended up awesome!

Brian
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  #360 (permalink)  
Old 04-09-2012, 04:20 PM
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WOW, What a project. I admire your skill. Can't wait to see more pictures.
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