|
|
|
|
#1
14-07-05, 22:12
|
|||
|
|||
Paralelloscope Bracket
In the cab of my FGT There are 4 holes in the roof in the shape of a square, in the manual it says they are for mounting a paralelloscope bracket. 3 questions
1. What is a paralelloscope ?? 2 .Does anybody have any pictures of what the bracket looks like ? 3. Can anyone give me the dimensions of this bracket (so I can make one) or does anyone have one for sale ? As always any help is gratefully received Richard Hughes 
|
|
#2
30-07-05, 14:56
|
|||
|
|||
|
Richard
I want to raise your question again - I'd like to know what a parralleloscope is and what it looked like. I also have the four bolts with nothing much attached. David Moore
|
|
#3
30-07-05, 15:14
|
|||
|
|||
|
Re: Paralelloscope Bracket
Quote:
Relationships between Widths of a Convex Body and of an Inscribed Parallelotope Marek Lassak Institut für Informatik Freie Universität Berlin Takustr. 9, D-14195 Berlin email: lassak@inf.fu-berlin.de Report B 00-08 April 2000 Abstract Assume that a parallelotope P is inscribed in a three-dimensional convex body C. A conjecture says that w-11+w-12+w-13>=1, where wi is the ratio of the width of C to the width of P for the direction perpendicular to the i-th pair of parallel facets of P. We prove three weaker inequalities. One of them is w-11+w-12+a-13>=1, where a3 denotes the related axial diameter of C. Get the report here or by anonymous ftp: Server: fubinf.inf.fu-berlin.de File: pub/reports/tr-b-00-08.ps.gz Clear as mud.....
__________________
Alex Blair :remember :support :drunk:
|
|
#4
31-07-05, 02:00
|
|||
|
|||
|
parelleloscope
Hi Guys,
There were at least 5 different versions of the parelleloscope that were used by Artillery up to 1945. UK made units were used by the Royal Australian Artillery during, and way after the war (till the 1970s). The scopes are used in conjunction with the plotting gear. The scopes worked as tilting mirrors to aid in the laying of the guns and setting of ranges. The most common scope seen today is the Mk5 which was mounted on the typical 3 leg wood tripod. There would not be too many fellows left with the knowledge on the operation of these antiques. You may find some detailed information in the more obscure artillery manuals.
|
|
#5
31-07-05, 19:03
|
|||
|
|||
|
Thanks for your replies please find below a response I got from a member from another forum I am on
'A paralleloscope is an artillery instrument used to ensure that the guns are parallel to each other when firing. It was used in place of aiming posts in certain situations. We still use them today. It is basically a prism in a robust case. The Gunner sets it out at the left front or left rear of the gun, about 10 paces from the gun and then aligns his sights in the prism. Looking into a prism is like staring into infinity so you can simulate a distant aiming point with an object very close to the gun. The math and trignometry involved are beyond this brief email but it takes about five minutes to get everything set up properly. Woe betide the dummy that bumps it once it is set up! The 'scope is about 18 inches long (wide) and four inches high and the same deep. It is set up on a four legged tubular stand which holds it about two feet off the ground. The design allows for the gun to set back on recoil without having to reset the 'scope. If recoil was not an issue the 'scope could be four inches square... by having a long side parallel to the ground any rearward movement of the gun is compensated for, ie. the Gunner can still see his sight in the 'scope. ' From what I can gather a version of the scope is still in use today as it on the kit list of artillery Hummers and was certainly in use with Abbot SPG's . Still no luck with what the bracket looks like though. Cheers Richard Hughes
|
|
#6
31-07-05, 22:44
|
|||
|
|||
|
Bracket mount
Gee... the poms are still using them. And I thought the RA was progressive with its SPGs and rapid mobility ideals.
For a bracket mount just use the top off any tripod as most were interchangable to fit the different range finders and direction finders. It's a small brass plate with a raised centre tounge. Use a MK V scope as that is what the last post descibed, 18" flat rectangular mirror, made in 1941. Got me as why you would fit a scope to a truck that is not supposed to be anywhere near the guns when in action... but I have seen the poms play cricket.
|
|
#7
02-08-05, 20:00
|
|||
|
|||
|
Paralleloscope
Hi All:
Richard was quoting me when he used the bit from another forum. David: We can discuss paralleloscopes and I'll show you photos when you come to visit next week. Wayne: Our paralleloscopes were very close to the ground. A director or aiming circle stand would be way too tall for the methods we use in Canada. Is it possible you are mixing up the aiming circle, which is a Battery survey device, with the paralleloscope, which is an aiming aid for the individual guns (ie. each gun has one)? In this day and age of electronic everything its nice to be able to rely on a basic piece of kit that can't burnout or breakdown. For the most part the paralleloscope has been replaced with the collimeter which performs the same function but is even more robust and simple. It looks like a short fat telescope on very short legs. I could see that having a stowage bracket for it on the roof by the Number 1's (Detachment Commander) hatch would be useful. He could have it in hand when dismounting and could pass it off to the Gunner who sets it up. It would, however, seem to make more sense to have that Gunner stow it near him inside the tractor unless his initial duties when coming into action precluded handling what is in essence a big piece of glass. Now I'm truly curious and will start doing some research into the issue. Cheers! Mike
__________________
Mike Calnan Ubique! ("Everywhere", the sole Battle Honour of the Royal Regiment of Canadian Artillery) www.calnan.com/swords Last edited by Gunner; 02-08-05 at 20:07.
|
 |
|
|
Hybrid Mode
