View Single Post
  #24   Spotlight this post!  
Unread 07-04-2012, 00:59
EricH's Avatar
EricH EricH is offline
New year, new team
FRC #1197 (Torbots)
Team Role: Engineer
 
Join Date: Jan 2005
Rookie Year: 2003
Location: SoCal
Posts: 19,823
EricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond reputeEricH has a reputation beyond repute
Re: Crazy robot idea for this year 2

Quote:
Originally Posted by PAR_WIG1350 View Post
So, How much would that be able to lift? (more specifically, how much would that be able to lift using a propeller?)
It depends on the prop, and the air density. Quite possibly even the specific prop. The one overarching question which won't be answered by motor power is prop thrust--motor power is good for getting that thrust, but can't be precisely correlated without some testing. A 27x13 is quite a hefty prop, even for a hefty motor like an FP.

And I've seen a case where the same prop tested at two different thrust levels in two different locations. Not fun trying to figure out why...I suspect it had something to do with either the air density or a mounting change, or both.
__________________
Past teams:
2003-2007: FRC0330 BeachBots
2008: FRC1135 Shmoebotics
2012: FRC4046 Schroedinger's Dragons

"Rockets are tricky..."--Elon Musk

Reply With Quote