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HelicopterMain Discussion › step downs
12-28-2008 05:19 PM  8 years agoPost 1
trickytiker

rrApprentice

england

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i want to make some step downs for tail servos what
diods do i need

i have problems with spelling

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12-28-2008 05:24 PM  8 years agoPost 2
george0079

rrElite Veteran

USA

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1N4001

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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12-28-2008 05:27 PM  8 years agoPost 3
AirWolfRC

rrProfessor

42½ N, 83½ W

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The 1N4000 series is only good for 1 amp average current.

You need to use the 1N5400 series good for 3 amps average.
http://www.fairchildsemi.com/ds/1N/1N5400.pdf

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12-28-2008 05:36 PM  8 years agoPost 4
trickytiker

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england

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thank for the info will get some tomorrow

i have problems with spelling

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12-28-2008 05:48 PM  8 years agoPost 5
Flint325

rrApprentice

xxx.xxx

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Or for six bucks you could purchase one made.

http://www.readyheli.com/K10381A_5_...r_p/k10381a.htm

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12-28-2008 06:56 PM  8 years agoPost 6
trickytiker

rrApprentice

england

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yep but i live in england ware petrol is $7.50 a gallon
nitro is app $35.00 a gallon and the weather is crap
just wanted to make a few up for interest and the jr 12x
has just landed in uk at £1700 i will let you do the conversion
to dollers i am going to real raptors tomorrow to pick on up

i have problems with spelling

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12-28-2008 08:55 PM  8 years agoPost 7
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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Under $4.oo here.

http://www.ronlund.com/Merchant2/me...&Category_Code=

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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12-28-2008 09:03 PM  8 years agoPost 8
AirWolfRC

rrProfessor

42½ N, 83½ W

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http://www.ronlund.com/Merchant2/me...&Category_Code=

Regulator ?
I doubt it . . . . more like a simple step down.

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12-28-2008 09:19 PM  8 years agoPost 9
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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AirWolfRC and you point would be?

It's a step down voltage to 5.1v. Weather it qualifies to be named a regulator, well the makers of the product thinks so.

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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12-28-2008 09:28 PM  8 years agoPost 10
AirWolfRC

rrProfessor

42½ N, 83½ W

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Well, the makers are wrong . . . . it doesn't "regulate".

They're catering to the ignorance of the customers.

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12-28-2008 09:39 PM  8 years agoPost 11
Silvashadow

rrVeteran

Kent, UK

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Tricky,

You could try the following part numbers from Maplin. QL81C good for 3A or UK59P good for 6A. They will drop a nominal 0.7V

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12-28-2008 09:41 PM  8 years agoPost 12
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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A voltage regulator being an electrical device designed to automatically maintain a constant voltage level. If this device meets this criteria then it's rightly named. If not it still drops the voltage down to 5.1v and is what where looking for here.

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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12-28-2008 10:18 PM  8 years agoPost 13
AirWolfRC

rrProfessor

42½ N, 83½ W

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If not it still drops the voltage down to 5.1v and is what where looking for here.
That, of course, would depend on the input voltage.

It that thing is an actual regulator . . . then fine . . . but I doubt it.

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12-28-2008 11:11 PM  8 years agoPost 14
trickytiker

rrApprentice

england

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it would be a regulated 6v supply steped down .7 will try maplin
thanks

i have problems with spelling

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12-28-2008 11:47 PM  8 years agoPost 15
AirWolfRC

rrProfessor

42½ N, 83½ W

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Then it would be 6.0 - 0.7 = 5.3 . . . . right ?

But that's not exactly what happens.
The 5400 series does not have a fixed drop.
The voltage drop depends on the current through it.

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12-29-2008 12:25 AM  8 years agoPost 16
bosshoss

rrVeteran

Chicago, IL

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Here we go....EE 101.

Why Hover a Yak, when a Heli does it better?

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12-29-2008 11:06 AM  8 years agoPost 17
asm

rrVeteran

California

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Besides input voltage, the output voltage is also affect by current draw. Therefore, it's hard press to call it a regulator as the output voltage will change even when the input voltage remain constant.

Brian

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12-29-2008 11:43 AM  8 years agoPost 18
Seablade

rrKey Veteran

earth

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threads gone into the overblown tangents of reality with charts and graphs for a simple answer.

Here's one with an LED to indicate "power on" for 6 usd.

http://www.western-robotics.com/STVR.html

"Vini, Vidi, Velcro"

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