FlightPower
Veteran
Location: Herts UK
| Lovely quality workmanship.
Comments: I think most importantly it could use a cross-brace between the skids to prevent shear-load tearing out the leg joints after repeated or any tough landing (the heli you save may be your own). You might also need a damper of some kind to prevent side to side swaying oscillation unless those barry units already have a damping action - only testing will tell (the trouble with helis is that the sum of acceleration forces is very rarely 1G straight down). I also notice that you are using 4 rubber isolators in tension (they are designed for compression or shear), in tensile configuration they will eventually crack and come apart even under minimal load - at the very least keep an eye on them and install a fail-safe chord to catch the lower part if it falls. Ideally you want to make a simple bracket from the upper assembly that allows you to mount the rubbers on a shelf underneath the cameramount load so that the weight is on top of the rubbers. Finally, the legs and skids look good but I think you have a lot of sheet metal elsewhere, at a glance you have more strength in the sheet-metal components than you will need so unless you are deliberately using the weight to load the isolators correctly you have the option of drilling or punching lots of holes in a kind of weight loss program. Finally I'd say I'm a big fan of electronic camera triggers, while there is a lot of evidence that a servo pusher is OK it seems a shame to go to all the trouble to remove vibrations only to hit the camera with a buzzing servo at the crucial moment! - that's just my opinion beacuse I never tried a servo pusher.
to illustrate most of these points:
Looking good!
Julian |
