The rebuild has started. I've learned a few things since starting the other one. I may however alter it to fit the sled / light gate (which I am brain storming) as I want to make them fully adjustable.My goal is to get this right on Haas dimentions and rounded shape.

Pics to come

Second draft - remeasure.

I took a measuring tape and drill it. screwed it to the floor (for a pivot points) and use the other drill hole 45" out for the pencil. I used screws in the floor for a jig. ( Need new carpet so I took advantange of the situation WAF=Null )

..

I'm not going to cut until after I have the light gate and sled made. Those 2 parts are priority as the enclosure will wrap around them

I found what I'm going to use as my light gate enclosure. its an old parts bin made from sheet and I'm going to cut it in half etc etc I'll post a pic at some point. also I'm not going to use anything from other PJ. This is going to be an all new PJ and will probably take forever also I may not use mdf anymore, depends. I would like pine like Haas used so I'll have to sorce that online most likely.


When the time comes I'm going to order a sharp + pixel works from Johnzo (kit if possable by then). This time around I would also like a precon incorporated, depends on how the mach 1 does.

7.1" 1080 lcd Thoughs?

Unless my math is wrong that translates into pixels of a size that my 40+ year old eyes would really struggle to even resolve!!!

Isn't there a limit to the benefit of shrinking a 1080p panel and what might that be in practical terms???

Practical terms for a 7.1" 1080p lcd would be for me, the best size to retrofit my 1998ish Sony RPTV into an HD RPTV.

But of course that article is 2 years old so the chances that a 7.1" 1080p LCD will see the affordable market for DIYers like us, I say slim to none.

I guess I should have specified would it be practical to utilize one in a conventional backlit mode. Seems such overkill for something like that. But I'm probably just not creative enough to envision a good use for something with that kind of crazy resolution??

I'll be 35 this year and I already wear glasses, astigmatism etc so everything is naturally fussy. ( yes I know, I'll get new ones when the one man wrecking crew is a bit older) point being would we even notice it? I'm building 1080 because I can basically however I struggle to see any real difference when I compare side by side in a store. My guess is when I get new specs I'll notice it right away.

ok I have envisioned the next pj, a complete redesign based on a haas

ruff idea for next pj

DIW for a while until I finalize stuff. I'll post the lightgate when I get that figured out. its in the brainstorming stage atm.

decided to have a go at making a sectional chasi, the goal is to have the s15 and the 18" interchangeable, and being fully adjustable 3d. I have a design in my mind, using springs, threaded rod ( or all thread some call it I guess).

the sections will be basic light engine, basket for the optics, and nose section for triplet. Nose section will be swappable with out tearing down the whole pj, as will the front fresnel (split fresnels - and front adjustable on center by hand.

well thats the plan anyway.

Was looking for aluminum square tube to make frames out of, and I cant find anything under 10mm yet.

frames will have treaded "nipples" attached to them with springs to aid in the adjustments. The nipple will ride in slots stopped by washer and caps this will work for up/down && left / right for all 3 frames.

the chasi will hold the slotted crossmembers that the frames ride in.

The light engine will have a light gate + precon - however I'm undecided on the lamp just yet. I'm going to design the light gate like Durachko did his,

cooling will be piped from out side the pj buy copper pipe, allowing a fan at each pipe and it automatically becomes a light shroud. This is per section.