RunRyder RC
 2  Topic Subscribe
WATCH
 1 page 603 views POST REPLY
HomeAircraftHelicopter
e-
Align
T-REX 450 › want to increase flight time
01-14-2009 04:47 AM  9 years agoPost 1
2fast4-u

rrApprentice

North Cobalt, Ontario .. Canada

My Posts: All  Forum  Topic

i want to know as a general rule what has the capability to fly longer

scenario:
trex 450 with 3700 kv motor and required pinion to make 2500 rpm on head

or a 2700 kv motor with required pinion to make 2500 rpm on head

assuming both helicopters are running exact esc with exact timing and both heli are running 10 degrees of pitch and both also are just hovering with same throttle curve

i guess the real questions are

is it more efficient to run a higher kv motor with a lower pinion
is it more efficiet to run a lower kv motor with a higher pinion

also is it better to run the throttle closer to 100%

remember the ultimate goal is to increase flight time

thanx

\ron

PM  EMAIL  GALLERY  Attn:RR  Quote
01-14-2009 05:56 AM  9 years agoPost 2
Heli 770

rrProfessor

USA.

My Posts: All  Forum  Topic

Lower Kv. Throttle a 85%.

PM  EMAIL  Attn:RR  Quote
01-14-2009 02:53 PM  9 years agoPost 3
2fast4-u

rrApprentice

North Cobalt, Ontario .. Canada

My Posts: All  Forum  Topic

thanks will look into a lower kv motor

PM  EMAIL  GALLERY  Attn:RR  Quote
01-14-2009 10:06 PM  9 years agoPost 4
TaleGunner

rrElite Veteran

Deer Park WA

My Posts: All  Forum  Topic

motor is more efficient at near 100%
Lower KV
or just drop gear

CRASH! GLUE! REPEAT!
Spectra-G, Ion X-2

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
WATCH
 1 page 603 views POST REPLY
HomeAircraftHelicopter
e-
Align
T-REX 450 › want to increase flight time
 Print TOPIC  Make Suggestion 

 2  Topic Subscribe

Saturday, June 23 - 5:39 am - Copyright © 2000-2018 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online