hi guys, i want to know what to consider when we build custom frame for Quadcore? what is the principle of the actual design?
is it possible to use Electric jet motor instated of regular motor prop ?
or no one tried it yet?
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Well, what are you designing the Quadcore for?
Meaning, are you designing the Quadcore to be ultimately an R/C toy, automous drone, or an exerimental test bed?
In all of these cases you want a strong, resilent design that can be assembled easily and doesn't cost an arm and a leg to replace something if it breaks. However depending on the application, you can take features from other projects such as crumple-on-impact for safety or a modular hub for design flexibility.
As far as aerodynmics goes, the major concern would be how the supporting arms for the motors are set up. Will the propellor be above or below the supporting arms? If above, how much thrust is lost due to the supporting arms cross section?
Determine what your making your project for before getting into the specifics... helps quite a bit when you know what your shooting for.
quad copter frame - light weight, structural rigidity and strength, easily replaceable parts if you break something on a crash
Electic jet motors? do you mean EDF? in that case those need velocity to work, and is highly inefficient for hovering and slow moving. props with low kv motors give you more battery life