Modification to Props 2nd Project
in
3D Modeling Design
held by
Titanium
Last seen:
August 27, 2013
Contest Ended, Winner(s) have been selected.
Prepaid PrizeEntries
1st Winner
#8 7016-CV Revision 1
by tsalpha
7016-CV prop, with 1.4mm cup and 10.5 radius.
Jun 15, 2013 17:55
#1 7512-A & 7512-AV Props
by tsalpha
These are the same as the first project. 7016 to be submitted if these modifications are correct.
Jun 11, 2013 3:54
Discussion
That should be it. I have submitted all the files. Please let me know if there are any issues. Thank You.
We know the hub fillets are for machineability but would be a LOT easier to modify the props if you could provide the 3D model without the fillets.
Pls submit your drawings and measurement when ready.
The trailing edge should be the original thickness. Let me explain the rational - marine propellers as use by powerboat - owners send their bronze props to be cupped by the prop shop specialist. They will use an anvil ( or pipe ) and hammer to form the cupping at the trailing edge - just like swimming if your cup your hands you can pull better. So the width of blade from leading to trailing should be shorter due to the curvature and the thickness of trailing edge should remain the same. The trailing edge towards the hubs need to be thicker for strength or the blades will break off. Hub fillets is for machineability.
I have a miniature super charger for hobby engine coming - might be your cup of tea. 2 stage single volute ?
I have a miniature super charger for hobby engine coming - might be your cup of tea. 2 stage single volute ?
It would be nice to have the original prop vane surface without the tapered addition on the trailing edge. Also without the hub fillets. There are a couple of items I'd like to discuss before doing additional changes, e.g. there is no information on how thick the trailing edge should be. Original prop is getting thicker towards the hub, I made my trailing edge the same thickness as the leading edge, .2mm.
ok will run thru your first project and let you know if first submission is acceptable
This is the same model as the first project. If you accept this file, I will submit all versions of 7016, after original modifications are approved. I don't want to spend too much time creating parts if this is not exactly what you are looking for.
Revised H1 H2 Angle file uploaded. Disregard previous file.
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tsalpha
Designer