If you want to get the intitial volume down in a hurry, you can always
use a vacuum cleaner. The amount of volume left is then quickly
brought down. Theoretically in the order of a minute for every 10 m2
to bring down to 1/8 of an atmosphere.
--- In harryproa@yahoogrou
>
> Gardner,
>
> The capacity of the pump, 3.15 cu Ft/min is still around 90 liters/min,
> is not the most important characteristic of the pump, it just takes a
> bit longer before pressure builds up inside the bag. With 90 lit/min you
> can go a long way, even for bigger projects, more important looks to me
> is the maximum of vacuum pressure you can create with the pump ...
>
> Regards,
>
> Myriam & Youri
> Wangkaboats
> Belgium
>
> On Tue, 2009-02-17 at 21:04 -0500, Gardner Pomper wrote:
> > Hi,
> >
> >
> >
> > I have been searching trying to find what equipment is required for
> > vacuum infusion and I have been unable to locate specific information
> > on the vacuum pumps and associated equipment to use. Most posts are
> > from people who have already done it and seemingly managed to just
> > find pieces in piles of equipment in their garage. For the less
> > MacGyver-like among us, that was not enough information. Today, I
> > stumbled across a site for vacuum bag veneering that has wonderful
> > information, plans, kits and parts to build all sorts of different
> > vacuum systems:
> > http://www.veneersu
> >
> >
> > I am about to order the stuff to build an electric pump, which will
> > automatically cycle on and off based on the vacuum pressure you set. I
> > will post back once I have received and tried out the equipment, but I
> > encourage the lurkers here to check out the site and free plans. I am
> > just going to buy a kit, because I am more interested in building
> > boats than building vacuum systems.
> >
> >
> > Anyway, I do still have a question for the group. How do I determine
> > how big a vacuum pump I need. I have been under the impression that I
> > don't need a big pump to infused flat panels, even large ones, but the
> > site above seems to indicate that the size of the vacuum bag you use
> > relates to the size of the pump. I would prefer to stay small for now,
> > and intend to order a 3.15 Cu Ft/min pump . I am sure it will be ok
> > for my test panels, but will I be able to infuse a 50' x 10' panel
> > with a pump that size?
> >
> >
> > Thanks all!
> >
> >
> > - Gardner Pomper
> > York, PA
> >
>
Change settings via the Web (Yahoo! ID required)
Change settings via email: Switch delivery to Daily Digest | Switch format to Traditional
Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe