Triangle or X?

[Notladstyle]

i got my bumper painted and he sprayed my angel eyes so im ordering more LEDs to build a brighter set but I'm torn between a triangle or an X.

Help... I cannot restore my car's rice output to maximum until I decide.

http://i25.tinypic.com/34g7rqd.gif

btw im using 40,000mcd LEDs with 25 degree arc and .2a @ 3.4v undervolted to 3.0v.

[POST]

i got my bumped painted

bumper?


Dude, i told you, Triangle ONLY works for Rotary cars. and I'd probably remove these messages, you don't want Tim or some other Rx-x driver stealing that idea for their fogs. You could make a couple of foglights for them for a nice price, I'm sure some will buy.

[jriggs]

maybe spiral

http://www.converge.org.nz/images/spiral-sm.gif

but they need to spin


:edit:wow that 1st pic was huge let me try to resize it / done

[TIM TIM TIM]

:lol: no triangle leds over here, I agree though. The triangle is for the rotary owners

[Notladstyle]

Dude, i told you, Triangle ONLY works for Rotary cars.

that is the dumbest thing ive ever read. Triangles aren't copyrighted by rotary drivers and you cant see an engine when you are driving down the road so it has absolutely no bearing on appearance whether it's a rotary or not.


I like the spiral idea though - I'm looking for some type of mathematical formula to plot the lines so that both sides are identical.

[TIM TIM TIM]

ya but the rotary has triangles all over it and anyone that knows anything about cars would be able to put 2 and 2 together. Maybe you should swap a rotary in there and then do the traingle :dunno:

[Notladstyle]

ya but the rotary has triangles all over it and anyone that knows anything about cars would be able to put 2 and 2 together. Maybe you should swap a rotary in there and then do the traingle :dunno:

my car has neon and led lights all over it, anyone who knows what a rotary is wouldnt take notice of my car in the first place.

focus, its about what looks the most unique and somewhat decent.

[TpaS13]

bro do the spiral...maybe the X but the spiral would be interesting...thus increasing your rice output to max level.....also if u put some stickers on the side of ur car it gives you another 50 Hp lmao

Rob

[TJElite]

I like the spiral idea though - I'm looking for some type of mathematical formula to plot the lines so that both sides are identical.


download a free cad program, like CadSTD, draw them, and print them.

Toby

[POST]

that is the dumbest thing ive ever read. Triangles aren't copyrighted by rotary drivers and you cant see an engine when you are driving down the road so it has absolutely no bearing on appearance whether it's a rotary or not.

You doofus, clearly what I was saying was that the triangles WORK BEST with a rotary car, Rx-7, Rx-8, etc. Putting them on your car is OK, it's not like it's illegal or anything or shouldn't be done like putting a giant Type-R sticker on your grand prix. I am just saying they look most badass on a rotary. I think you should go with the spirals or do a circle again since spirals are a lot of work.

If you can figure a system for having a constantly revolving spiral with a small electric motor and a simple ring for contact leads to provide the power to the LEDs, I am sure that would be the most gangster thing you could do. Otherwise, I think another set of angel eyes would be best.

I guess the X could work too, if you double pair the LEDs so the lines in the X's are thicker and thus not so flimsy and poopy looking.

[93ex]

I like the spiral idea though - I'm looking for some type of mathematical formula to plot the lines so that both sides are identical.

Overthinking things much? Just find a spiral on google images, open in photoshop, print, then I think edit, flip horizontally.

[jriggs]

if you want to over think the spiral then here are some mathmatics to ponder you need to pick your spiral

Logarithmic Spiral
The logarithmic spiral is a spiral whose polar equation is given by r==ae^(btheta), where r is the distance from the origin, theta is the angle from the x-axis, and a and b are arbitrary constants. The logarithmic spiral is also known as the growth spiral, equiangular spiral, and spira mirabilis. It can b
http://mathworld.wolfram.com/Logarithmic... (http://mathworld.wolfram.com/LogarithmicSpiral.html) - 29k - 2002-06-04

Cornu Spiral
A plot in the complex plane of the points B(t)==S(t)+iC(t), where S(t) and C(t) are the Fresnel integrals (von Seggern 1993, p. 210; Gray 1997, p. 65). The Cornu spiral is also known as the clothoid or Euler's spiral. It was probably first studied by Johann Bernoulli around 1696 (Bernoulli 1967, pp. 1084-
http://mathworld.wolfram.com/CornuSpiral... (http://mathworld.wolfram.com/CornuSpiral.html) - 27k - 2006-01-17

Archimedes' Spiral
Archimedes' spiral is an Archimedean spiral with polar equation r==atheta. This spiral was studied by Conon, and later by Archimedes in On Spirals about 225 BC. Archimedes was able to work out the lengths of various tangents to the spiral.The curvature of Archimedes' spiral is kappa(theta)==(2+theta^2)/(a
http://mathworld.wolfram.com/ArchimedesS... (http://mathworld.wolfram.com/ArchimedesSpiral.html) - 24k - 2003-12-10

Archimedean Spiral
An Archimedean spiral is a spiral with polar equation r==atheta^(1/n), where r is the radial distance, theta is the polar angle, and n is a constant which determines how tightly the spiral is "wrapped."Values of n corresponding to particular special named spirals are summarized in the following table, tog
http://mathworld.wolfram.com/Archimedean... (http://mathworld.wolfram.com/ArchimedeanSpiral.html) - 23k - 2003-12-10

Fermat's Spiral
Fermat's spiral, also known as the parabolic spiral, is an Archimedean spiral with m==2 having polar equation r^2==a^2theta. This curve was discussed by Fermat in 1636 (MacTutor Archive). For any given positive value of theta, there are two corresponding values of r of opposite signs. The left plot above
http://mathworld.wolfram.com/FermatsSpir... (http://mathworld.wolfram.com/FermatsSpiral.html) - 22k - 2003-10-30

Natural Equation
A natural equation is an equation which specifies a curve independent of any choice of coordinates or parameterization. The study of natural equations began with the following problem: given two functions of one parameter, find the space curve for which the functions are the curvature and torsion.Euler ga
http://mathworld.wolfram.com/NaturalEqua... (http://mathworld.wolfram.com/NaturalEquation.html) - 23k - 2006-01-14

Hyperbolic Spiral
An Archimedean spiral with polar equation r==a/theta. The hyperbolic spiral, also called the inverse spiral (Whittaker 1944, p. 83), originated with Pierre Varignon in 1704 and was studied by Johann Bernoulli between 1710 and 1713, as well as by Cotes in 1722 (MacTutor Archive).It is also a special case o
http://mathworld.wolfram.com/HyperbolicS... (http://mathworld.wolfram.com/HyperbolicSpiral.html) - 21k - 2002-08-27

Logarithmic Spiral Evolute
logspev.gifFor a logarithmic spiral given parametrically asevolute is given byAs first shown by Johann Bernoulli, the evolute of a logarithmic spiral is therefore another logarithmic spiral, having b^'=b and a^'=ab,In some cases, the evolute is identical to the original, as can be demonstrated by making t
http://mathworld.wolfram.com/Logarithmic... (http://mathworld.wolfram.com/LogarithmicSpiralEvolute.html) - 28k - 2003-04-10

Nielsen's Spiral
Nielsen's spiral, also called the sici spiral (von Seggern 1993) is the spiral with parametric equationswhere ci(t) is the cosine integral and si(t) is the sine integral.The arc length and curvature are given bywhere the arc length is measured from t==1.This gives the Cesàro equation as kappa==(e^(s/a))/
http://mathworld.wolfram.com/NielsensSpi... (http://mathworld.wolfram.com/NielsensSpiral.html) - 19k - 2004-05-01

Superellipse
A superellipse is a curve with Cartesian equation |x/a|^r+|y/b|^r==1, first discussed in 1818 by Lamé. A superellipse may be described parametrically bySuperellipses with a==b are also known as Lamé curves or Lamé ovals. The restriction to r>2 is sometimes also made. A range of superellipses are shown
http://mathworld.wolfram.com/Superellips... (http://mathworld.wolfram.com/Superellipse.html) - 29k - 2003-02-21

enjoy

[Notladstyle]

^^ Damn rep for all that - looks like logarithmic is the easiest to plot.

93ex, I need a formula to tell me where to drill holes on a grid to make them all appear to be in a perfectly straight line. I tried tracing but the finished product will always be slightly imperfect from a trace unless you plot the exact spot to drill each hole.

[TJElite]

If you were to draw it in cad, then someone with a CNC could make them exactly the same everytime.

Toby

[POST]

*cough Cough* If you were to draw it in cad, then someone with a CNC could make them exactly the same every time.
(me)
Toby

Fixed. :lol:

[integralsgreen]

did camron paint your bumper?

[Notladstyle]

did camron paint your bumper?

no some crackhead did it for some ketchup packets.

i pmed you toby...

[integralsgreen]

no some crackhead did it for some ketchup packets.

i pmed you toby...

haha. i was gonna say he woulda took the bumper off the car and detrimmed it to paint it. cheaper painters like macco just tape shit off and get over spray everywhere.

[Notladstyle]

haha. i was gonna say he woulda took the bumper off the car and detrimmed it to paint it. cheaper painters like macco just tape shit off and get over spray everywhere.

yep, it was teh weak sauce paintjob. but my bumper is shiny and white so im happy.

I'm really starting to feel the spiral thing. If toby can cut the shape them I think im sold on it.

[Notladstyle]

http://i28.tinypic.com/2jg9wf7.jpg

[TJElite]

I snatched the bitmap you posted, and worked with that. I had to manually adjust some of the spacing, but I think its pretty good.

While not the greatest pic, this is what the toolpath looks like...I had to just take a picture of the screen, since it doesn't output into anything postable.

The outside is the 1/4" cutter making the 102.3mm cutout, and each hole is 5.2mm. And yes, the holes will be perfectly round...the pic makes them look a little funny.

Close?

Toby

[POST]

I snatched the bitmap you posted, and worked with that. I had to manually adjust some of the spacing, but I think its pretty good.

While not the greatest pic, this is what the toolpath looks like...I had to just take a picture of the screen, since it doesn't output into anything postable.

The outside is the 1/4" cutter making the 102.3mm cutout, and each hole is 5.2mm. And yes, the holes will be perfectly round...the pic makes them look a little funny.

Close?

Toby


Instead of taking a photo of the screen, leave the screen up on what you want and press the "Print Screen" button on your keyboard and paste (ctrl+V) onto MSPaint. Save as a JPG and post up here :)

[TJElite]

All those extra key strokes...for Dalton? I dunno....

Toby

[jriggs]

toby can you figure out how to make them spin too?
i think i know what it would take but don't know how to explain it

[Notladstyle]

toby can you figure out how to make them spin too?
i think i know what it would take but don't know how to explain it

in its most simple form, it would take some programming, several LM55 IC chips, and various other smaller components and a great deal of time.

Reason I never pursued it are it would require a lot more money and time to construct (after the chips had been programmed), and it is illegal to have more than a two state flashing light on the front of a vehicle.

[TJElite]

I think he means just to spin the whole light, which would just take a couple motors and slip rings. Not sure about legality, since they technically wouldn't blink.

Toby

[jriggs]

I think he means just to spin the whole light, which would just take a couple motors and slip rings. Not sure about legality, since they technically wouldn't blink.

Toby

yeah bingo the whole deal moving not the lights flashing

[POST]

I think he means just to spin the whole light, which would just take a couple motors and slip rings. Not sure about legality, since they technically wouldn't blink.

Toby

He says it's waaay too much work. I don't think it'd be that bad, and the payoff would be sweet.

[Notladstyle]

He says it's waaay too much work. I don't think it'd be that bad, and the payoff would be sweet.

you build it and ill gladly conceed its an easy project.

[Notladstyle]

I just got a look at a the template for a circle with a 24led array and it looks GREAT. I cant wait to start construction on it. Toby's Router is full of much win.

If this one looks as good as I think it will, I might make a 3 row 72 led foglight that would be suitable as a driving light next!

Heres the template:
http://i26.tinypic.com/25rhu0g.gif