- #1
Catapult
- 7
- 0
I'm guessing the radius of the round is 2mm and the curve is a quarter of an ellipse like so:
What Does R34 2 PL Mean in an Isometric Drawing?
AI Thread Summary
"R34 2 PL" in an isometric drawing refers to a radius of 34mm applied in two locations, indicating symmetry on both sides of the casting. The actual profile consists of an arc segment with the specified radius, potentially featuring short straight run-off lines. There was initial confusion regarding the feasibility of a 34mm radius due to the vertical distance constraints. Ultimately, the discussion clarified that the design includes a quarter circle transitioning into a vertical line. The participants reached a consensus on the interpretation of the drawing notation.
I'm guessing the radius of the round is 2mm and the curve is a quarter of an ellipse like so:
- #2
Nidum
Science Advisor
- 2,992
- 852
It should mean radius 34 in two places - ie same on right and left locations on casting . Actual profile is made up of an arc segment of the given radius and there may also be short sections of straight run off lines .
- #3
Catapult
- 7
- 0
That's what I thought but a radius of 34 is impossible because the vertical distance from the top to the bottom of the curve has to be 60Nidum said:
- #4
Nidum
Science Advisor
- 2,992
- 852
It's a quarter circle merging into a vertical line .
- #5
Catapult
- 7
- 0
Ah I got it now. Thank you for your helpNidum said:
I need to cut down a 3 year old dead tree from top down so tree causes no damage with small pieces falling. I need a mirror with a focal length of 150 ft. 12" diameter to 36" diameter will work good but I can't think of any easy way to build it. Nothing like this for sale on Ebay.
I have a 30" Fresnel lens that I use to burn stumps it works great.
Tree service wants $2000.
I have Mass A being pulled vertically. I have Mass B on an incline that is pulling Mass A. There is a 2:1 pulley between them.
The math I'm using is:
FA = MA / 2 = ? t-force
MB * SIN(of the incline degree) = ?
If MB is greater then FA, it pulls FA up as MB moves down the incline.
BUT... If I reverse the 2:1 pulley. Then the math changes to...
FA = MA * 2 = ? t-force
MB * SIN(of the incline degree) = ?
If FA is greater then MB, it pulls MB up the incline as FA moves down.
It's confusing...
Unable to simulate bent structure in R soft Beamprop.
Does anyone know how to draw and simulate bent structure in R soft as I have tried some of the techniques but these are failing.
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