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Search: Posts Made By: howardm4
Showing results 1 to 25 of 118
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Forum: Batteries & Chargers
08-24-2003, 01:14 PM
Replies: 3
Views: 611
Posted By howardm4

Triton and NiMH question

jason, what you'll discover w/ NiMHs is
that it's not incredibly unusual for them
to false peak. They have less of a
'end of charge bump' and things like
temperature and charge lead length can...
Forum: Batteries & Chargers
08-12-2003, 01:04 AM
Replies: 4
Views: 952
Posted By howardm4

Schulze & Orbit chargers

you can get orbit from radical or icare-rc.com
Forum: Batteries & Chargers
08-09-2003, 08:54 PM
Replies: 4
Views: 625
Posted By howardm4

Help with switching Battery from Fut to JR

if it has a Futaba connector w/ the
little tab on it, all you need to do is
shave off the tab and a little more
misc. shaving to 'thin' it out a microscopic
amount.

You don't have to rewire...
Forum: Batteries & Chargers
07-26-2003, 01:16 AM
Replies: 2
Views: 580
Posted By howardm4

Orbit Microlader Discharge

the default termination voltage for the
Orbit is 0.9v per cell.

You should check to see what it's really
doing.
Forum: Batteries & Chargers
07-22-2003, 11:54 PM
Replies: 3
Views: 604
Posted By howardm4

I Need a charger that plug in to house current

try the MRC SuperBrain

http://www.modelrectifier.com/products/batteryChargers/product.asp?ID=1321&Subcategory=Battery%20Charger
Forum: Batteries & Chargers
07-19-2003, 11:21 AM
Replies: 29
Views: 3,207
Posted By howardm4

New Charger from Fromeco Scale Avionics

for the cost of a connector on the
motherboard, why not make the
discharge function an 'add-in' card
or only put discharge on 1 of the ports?
Forum: Batteries & Chargers
07-13-2003, 11:31 AM
Replies: 8
Views: 1,662
Posted By howardm4

Where to buy Orbit Microlader charger?

contact Dave Thacker @ RadicalRC
or icare-rc.com
Forum: Batteries & Chargers
07-11-2003, 11:25 AM
Replies: 4
Views: 575
Posted By howardm4

Can someone explain this specification

it seems like a car pack charger w/
additional outputs to slow charge
a Tx and Rx.

No, I don't think it'll fast charge your
Tx & Rx packs.
Forum: Batteries & Chargers
06-24-2003, 10:39 AM
Replies: 5
Views: 810
Posted By howardm4

JR TX Charging??

first off, realize that the JR plug is
reverse wired. The + is on the outside
and the - is on the inside. Everyone else
does it the other way.

second, you can buy a connector plug
either...
Forum: Batteries & Chargers
06-24-2003, 01:16 AM
Replies: 11
Views: 1,641
Posted By howardm4

Is A Battery Fully Charged When....

4.8v is the NOMINAL voltage. A fully
charged pack will have something
like 1.45v per cell right off the charger.

Much more than that and you just start
heating and ruining the battery.
Forum: Batteries & Chargers
06-21-2003, 08:55 AM
Replies: 5
Views: 684
Posted By howardm4

JR Battery Vs Sanyo Battery Packs

personally I think so. I've never
been bowled over by the JR batteries
I've used.

Tehre are many battery vendors out there. You might want to try radicalrc.com, batteriesamerica.com and ...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
06-18-2003, 02:26 PM
Replies: 11
Views: 1,052
Posted By howardm4

FM vs. PCM

a quick google search of the two words 'PCM failsafe' will get you more unbiased
information than you can use.

Let's be clear right off the bat. NOTHING
is more important than preventing...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
06-18-2003, 01:17 PM
Replies: 20
Views: 2,186
Posted By howardm4

Move over Futaba 9C, Hello JR PCM 9X!

I waited and waited and decided that
the 9X isn't enough of a jump from
the old analog 8103 I have and the 10X
just doesnt compare to the 9Z for the
saem price (although it would appear that...
Forum: Batteries & Chargers
06-16-2003, 12:33 PM
Replies: 7
Views: 893
Posted By howardm4

loaded digital voltmeter???

so buy a small power resistor and put
it in parallel.

You want a couple of hundred mA
load for an accurate reading.

HOWEVER, if you look at real world
data the way batteries discharge and...
Forum: Batteries & Chargers
06-15-2003, 11:28 AM
Replies: 3
Views: 449
Posted By howardm4

charging times for NiMH using supplied system charger

like Red said, 22 hours but here is how
he got that number.......

1200/75 * 1.4

the 1.4 is the fudge factor to cover
losses during charge and other things.
It assumes 40% loss.
Forum: Batteries & Chargers
06-14-2003, 02:59 PM
Replies: 7
Views: 1,452
Posted By howardm4

PC Power Supply not putting out 12V

11.92 is fine.

many people use 13.8v power supplies
(used on ham stuff etc) and it works fine
too.

All these chargers have a tolerance
for what they will accept and 11.92
will be fine.
Forum: Batteries & Chargers
06-14-2003, 02:57 PM
Replies: 6
Views: 1,128
Posted By howardm4

Sirrus Charge vs Triton

different animals.

I have both.

Sirius (for me) makes the perfect
field charger. It lives in the back of my
car.

The Triton is for other chemistries (LiPo
or Pb) and is more adjustable...
Forum: RC Helicopter General Discussions
11-17-2002, 03:21 PM
Replies: 4
Views: 539
Posted By howardm4

OS61SXH needs pipe or muff ANYONE?

Hi,

I have a nice OS61 sized 1 piec muffler
thatt I'm looking to sell. Very good
condition, not exactly 'polished'. has
steel thread inserts so they will never
strip out and the flange has...
Forum: RC Helicopter General Discussions
05-28-2002, 06:13 PM
Replies: 2
Views: 421
Posted By howardm4

Thottle-->Cyclic Mix with JR 8103

no.

You need to use one of the commonly accepted method
such as:

stretch the ATV.
max the subtrim.
use a servo saver

I use the max subtrim trick
Forum: RC Helicopter General Discussions
05-28-2002, 03:53 PM
Replies: 12
Views: 849
Posted By howardm4

Can someone tell me the best way & location to install a Gyro? GY502 on X-Cell ST 60.

As I recall, the plate on the XL ST glues on w/ GOOP.

You should mount the sensor and amp up front like David said.
Forum: RC Helicopter General Discussions
05-28-2002, 01:52 PM
Replies: 17
Views: 1,124
Posted By howardm4

Metric Digital Micrometers

go to mcmaster.com or mscdirect.com and look up calipers. The
Mitutoyo Digimatics are awesome.
Forum: RC Helicopter General Discussions
05-28-2002, 01:14 PM
Replies: 17
Views: 1,124
Posted By howardm4

Metric Digital Micrometers

The Mit. dig calipers (Digitmatic) are usually about $90-100.

Of course, you could get a $25 pair of Enco's and a $5 calculator
to convert inches to mm's.
Forum: Batteries & Chargers
05-28-2002, 01:06 PM
Replies: 10
Views: 849
Posted By howardm4

Please need advice, do I need a new charger for a 1500 battery?

Disagreed. Batteries need a certain charge rate to really
get them going. Lower than that and you're essentially just
trickling them.

While C/10 is the standard slow charge, if your wallwart...
Forum: RC Helicopter General Discussions
05-11-2002, 11:03 AM
Replies: 9
Views: 620
Posted By howardm4

Gyro Mounting

the gyro, performance-wise doesn't care where. It measure
angular rate or acceleration and that is a constant either on
the front plate or the rear deck.

Vibration isolation is a whole...
Forum: Batteries & Chargers
05-10-2002, 11:08 AM
Replies: 4
Views: 832
Posted By howardm4

New Battery question

I'd cycle and do the same thing another 2 times.
Showing results 1 to 25 of 118
 
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