widelux f-7

[CHIP <grays@xxxxxxxxxxxxxxxx>]

I am looking for a copy of the instruction manuel for my f-7 . Is there such an
animal ?  thanks......Chip Renner

Robert Erickson wrote:

> The first step is to have the lens checked to find the true focal length. I
> promise you that it will not be 270 as marked.
>
> Then run it, with the measurements taken from your camera, through Bob
> Lang's program.
>
> Robert Erickson, bob@xxxxxxxxxxxxx
> http://panoramic.net
> -----Original Message-----
> From: Steve Shapiro <sgshiya@xxxxxxxxxxxx>
> To: panorama-l@xxxxxxxxxxxxxxxxx <panorama-l@xxxxxxxxxxxxxxxxx>
> Date: Monday, October 05, 1998 11:23 PM
> Subject: Re: Cirkut Camera Gear Sets, Keys
>
> The Fulmer-Schwing #8 Curkit Camera I'm about to buy is being sold by a guy
> who has a 270mm Schneider G-Clarion lens; and I wanted to know your opinion
> and facts about the gear necessary.  The camera comes with a gear set 51, 50
> and two 38s.  Why two 38s, I don't have a clue.  So, since the 279 factors
> out at 10.58 inches, instead of the eleven those gears were to apply, would
> I need another geer, or could one of those work?
>
> What size gear would a 270mm require?
>
> Thanks for your reply.
> Steve Shapiro
> sgshiya@xxxxxxxxxxxx
> 'the dude abides'
> -----Original Message-----
> From: Ron Klein <panorama@xxxxxxxxxxxxx>
> To: panorama-l@xxxxxxxxxxxxxxxxx <panorama-l@xxxxxxxxxxxxxxxxx>
> Date: Thursday, October 01, 1998 10:56 PM
> Subject: Re: Cirkut Camera Gear Sets, Keys
>
> The #5 camera and the #6 camera use 14.5 pressure angle, 48 pitch pinion
> gears.  The #6 outfit, #8outfit, #10, and #16 cameras use 14.5 p.a. 32 pitch
> pinion gears.  All the cameras use 14.5 p.a. 48 pitch gears in the gear
> train.
>
> A quick note about commercially made gears,  I have found that gears made
> from even reputable companies sometimes don't work well with the cirkut
> camera ring gear.  For some reason the gears are cut with thicker teeth than
> the original cirkut gears.  If you examine original cirkut gears closely you
> can tell that they are very well made.  I suspect that they have a lapped
> finish because they fit really tight when meshed with a ring gear.  With
> this logic, I'd probably rule out plastic gears as a solution unless you
> know of a way to run them down into a good fit.  Best advice is to stick
> with brass gears.
>
> I have been making gears for my cirkut cameras for over ten years.  I use a
> lathe to turn the gear blank to the right size and a milling machine with a
> dividing head to cut the teeth.   A commercial shop would probably use a
> hobbing machine.  This is a dedicated machine for making gears and can
> produce a large quantity of gears rather quickly.
>
> If anyone is interested in having gears made, I charge around $35 for a gear
> mounted on the correct shaft.  Bigger gears take more time so I charge a
> little more.  Believe me, I ain't getting rich making gears.  If you are in
> a hurry, I'm probably not the guy to ask as I only do this work in the
> winter when the snow is blowing hard.  I do however have a good selection of
> gears in stock minus the shafts.  This winter I plan to make a gear lapping
> machine so I can produce a really nice polished gear.
>
> Right now it's still picture taking time, but please feel free to ask
> questions.
>
> sincerely
>
> Ron Klein