A bit like intercooler end tank castings? The only flat surface
is where it's bolted to the throttle bodies. The rest are curved.
I need to figure out how to get it to seal against the aluminum
plate and not look like a patch job.
Thomas
Mark Sedlack wrote:
> At those pressures you sure could. You'd want the shape to have lots of
> curved surfaces or "grooves" ( channels that are offset from main surface)
> to stiffen any large flat areas. If you look at any large plastic storage
> totes you'll see the kind of channels I mean - changes in direction,
> corners, and edges all serve to stiffen a plastic part, much like putting
> beads in sheetmetal do. You'd also want to use epoxy resin as opposed to
> polyester since it would stand up to the heat and solvent contact better.
> Mark
>
> ----- Original Message -----
> From: "Thomas - Sweden" <csp311@telia.com>
> To: <datsun-roadsters@autox.team.net>
> Sent: Friday, February 14, 2003 12:46 PM
> Subject: Re: Marks' custom fiberglass work, THANKS
>
> > Makes me wonder if a fibreglass air plenum box can
> > be made strong enough for turbocharging (15-18 lbs)
> > without going to extreme (1/4 inch or more) thickness.
> > I guess it's possible to make a box with aluminum
> > mounts inside the laminate.
> >
> > Thomas
> >
> > O'Farrell, Fergus wrote:
> >
> > > Hello Mark and folks in general.
> > > I just wanted to take a moment and thank/congratulate Mark for his
> excellent
> > > work and this helpful resource. I teach fiberglass manuf'ing classes,
> and
> > > it the most difficult thing not to get caught up in the chain of events
> > > making a project like this and forget to take off the sticky gloves and
> take
> > > digi-pics. Mark, your outline and captions are terrific. I will send
> all
> > > the "I wanna put a boombox in my Civic" students to go see this site, as
> > > they tend to be a bit challenged in terms of attention span, so when you
> lay
> > > out these points their eyes just glaze over. I guess I need to work on
> my
> > > graphics, or let them hold a Nintendo joystick, as then they get intense
> and
> > > listen and forget to blink and get all red-eyed..... sorry, OT there.
> > > anyway, great stuff. Not slagging, but there are a few hints below as
> well.
> > > Very creative to put the cupholders just behind the seat.
> > >
> > > From: "Mark Sedlack" <msedlack@neo.rr.com>
> > > Subject: Update on the "R"
> > > Its time for an update on progress on the "R", our custom 66 1600. I
> put up
> > > a
> > > new page on latest work last night -
> > >
> > > <<When doing the glass, you want to drape the cloth past the edges so it
> > > lays
> > > flat against the MDF. After it cures, you trim it off close to flush
> with
> > > the MDF using the saw, then sand it the rest of the way flush.>>
> > > Or, hang around until the resin has partially gelled (about the
> consistency
> > > of a donut or orange peel) and then you can drag a blade thru it without
> > > dragging the fibers for that "close to net" trimming operation. It is
> > > called 'green trim', and saves the ear drums and cutter blades, and with
> > > thin parts the cutter can often delaminate the parts if gets caught up
> or
> > > jammed a bit. (ask me how I know that one!)
> > >
> > > <<The blue styrofoam is from Home Depot -1/2" / Carter Lumber 2".>>
> > > and most of the electronic stuff (or most anything shipped from China)
> you
> > > buy is packed in styrene foam. You can find mounds out the back of a
> frig
> > > store, Harbor Freight, etc.
> > > thanks again Mark,
> > > Fergus O'Fiberglass, 69 2000, HB,CA
/// datsun-roadsters@autox.team.net mailing list
/// Archives at http://www.team.net/archive
|