Thanks all, I really appreciate your comments and feedback.
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I'm really looking forward to watching that 4-link progress. Will the ends of the arms (heims, I guess?) ride against the tubing that protrudes from the frame now, or is there some other item (bushing?) that goes on there? Also, I'm only seeing one "upper" and one "lower" mounting point. Are there multiple points in the rear of the 4-link bars, or how do they adjust? Or do they adjust?
JD, The aft ends of the trailing arms attach to T-Bird rear uprights (thence to a Mustang Cobra IRS pumpkin with Explorer ears.) The arms are set to run level and parallel at ride height (4.5") The pivots should be space out far enough so the arms clear the body sides. Heim joints will terminate the trailing arms. More pivot positions can be added later if needed.
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While I kinda know what a "Tilley Hoop" is, it doesn't get any hits when I google it. The first place I saw 'em was either in a Lotus or a WWII aircraft. Can't remember... Do you know the story?
JD, I screwed up on the name, here's the answer:
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I've seen the dash arrangement referred to as a "Terry" hoop. Len Terry was an early engineer at Lotus who had experience doing design on airplanes. Especially when the "competition" bar is not installed across the passenger seat, the dash is a major contributor to the stiffness of the car.
Marcus, thanks for correcting my misnomer. I don't know where the "Tilley" came from...but I do have a Tilley hat
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Ya know...... You could do some flares on the sides of the nose, make some aero shapes that partially cover the suspension arms... Brake cooling ducts... Dive planes/winglets...
JD, I like that!
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I'm curious how wide that inner dash hoop is?
Nice to see your car taking form. I've been wondering if the roll hoop was too tall, but it looks to be a very good size for you.
Marcus, the inside of the Terry hoop tubes measure 35.8" across. The roll hoop measures 42.6" from the car floor. This is 3" above my old helmet when the seat is 1.25" from the floor and minimal padding is used. I wanted some wiggle room on the height to adjust the seat mounts and position, get a new spec (taller) helmet, add some padding, etc. When all is said and done, I should still have 2" clearance above a new style helmet.
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Nice shoes, too...
Piloti's, the orange soles would go nicely with Slotus green...
And that picture got me looking hard at pedal box placement. I'm thinking about using a two pedal / 3 master cylinder floor mount set-up from either Tilton or OBP (per Pegasus.) Does anybody have any experience with either of these or other suggestions? (The throttle will be drive-by-wire from GM with appropriate ECU tweaks.) I'm also pondering the kind of structure I need to properly mount the pedal and MC fixture. The pedal box location/structure will have a big say in how far back I can mount the motor. Any thoughts on this would be greatly appreciated.