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Search: Posts Made By: samarkh
Showing results 1 to 25 of 206
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Forum: RC Tanks
06-03-2008, 03:17 AM
Replies: 124
Views: 16,882
Posted By samarkh

RE: Motor and Gearbox Testing

There good for the cost. I'm designing a small motor dynamometer to get more meaningful torque measurements, but with a load of other stuff using up my time, and sorting out my Dads funeral, don't...
Forum: RC Tanks
06-02-2008, 04:05 PM
Replies: 124
Views: 16,882
Posted By samarkh

RE: Motor and Gearbox Testing

Interesting results, how did you measure the RPM?

Yours Simon M.
Forum: RC Tanks
05-16-2008, 01:30 PM
Replies: 10
Views: 1,585
Posted By samarkh

RE: hl tiger running problem

Only thing is though, you have set a trend. Now all the busted / unrepairable / other kids duff castoffs will come your way, to be fixed NOW!:D

Yours Simon M.
Forum: RC Tanks
05-16-2008, 07:39 AM
Replies: 8
Views: 823
Posted By samarkh

RE: electronics hook up questions.

To get a little technical here, they are white LED's and as such are rated at 20mA. I know that this is a fat lot of use to most users, however it works out at around 3.2v, and yes they are polarity...
Forum: RC Tanks
05-16-2008, 07:09 AM
Replies: 10
Views: 1,585
Posted By samarkh

RE: hl tiger running problem

Don't bin them, I'm sure some one can make a working one from two dead ones.

Yours Simon M.
Forum: RC Tanks
05-15-2008, 04:32 PM
Replies: 10
Views: 1,585
Posted By samarkh

RE: hl tiger running problem

It does sound like one side has a duff output transistor. With out burning your fingers can yo check to see if any of the black chips on the riser board near the motor plugs are getting hot. Be...
Forum: RC Tanks
05-15-2008, 10:58 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

Interesting wackywheelz,
When I looked at the HL receiver board (TK-YL101) it has a MC3361BP chip on it which is a FM decoder, and the transmitter uses a classic FM oscillator circuit, hence my...
Forum: RC Tanks
05-15-2008, 10:52 AM
Replies: 1
Views: 791
Posted By samarkh

TK RX14 Circuit

I've added the TK RX14 Circuit to the FAQ section if any one is interested.


Yours Simon M.
Forum: RC Tanks
05-15-2008, 10:48 AM
Replies: 139
Views: 179,527
Posted By samarkh

RE: RC Tank F.A.Q.

TK RX14 Circuit

Its basically a RX-13# with a MOSFET output stage.

This gives ups it to at least 10A, but only 2W.

I cannot identify the 'LL6' SMD, if anyone is aware of what it is I'd...
Forum: RC Tanks
05-15-2008, 10:34 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

Hi Jeferson,
I must admit that I've not tried that experiment. Some time ago I decided that HL crystals are at best weak, and replaced them all for HPI FM ones. They did cost a bit, but then the...
Forum: RC Tanks
05-15-2008, 09:52 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

When you say
do you mean 1/16 Tanks?
Forum: RC Tanks
05-15-2008, 08:16 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

Hi Jeferson
when you say


What is the spare radio is controlling? Is it a working HL, or some other RC model?

Yours Simon M.
Forum: RC Tanks
05-14-2008, 07:30 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

I wonder if its AM crystals instead of FM crystal problem.
I don't know of any way to inspect crystals to find out what type it is. Can any one shed some light on this?

Yours Simon M
Forum: RC Tanks
05-13-2008, 03:09 AM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

I think that somewhere deep in the manual it says



Yours Simon M.
Forum: RC Tanks
05-12-2008, 05:03 PM
Replies: 25
Views: 2,582
Posted By samarkh

RE: Comunication problem in HL Tiger I S&S upgraded

Hi JIDM
Can I ask you to try the following steps
1) Turn tank an TX OFF.
2) wait for 60 seconds
3) Turn Tank on ONLY
4) Do the lights flash?
5) Turn the transmitter ON
6) Do the lights...
Forum: RC Tanks
05-12-2008, 04:40 PM
Replies: 4
Views: 799
Posted By samarkh

RE: RANGE HAS REDUCED

Hi Pete,
1/8th or 1/16 wavelength is pretty universal for whip aerials.
So if memory serves me correctly, the formula is (speed of light)/(radio frequency) = wavelength

for 1/16 @ 27Mhz
...
Forum: RC Tanks
05-11-2008, 05:06 PM
Replies: 4
Views: 799
Posted By samarkh

RE: RANGE HAS REDUCED

Hi Pete
You said it, you've stuck it inside a metal box. (I bet its a well engineered box). What sort of aerial are you using? Is it the bog standard one, or a loop antenna type? And / Or any...
Forum: RC Tanks
05-07-2008, 03:48 PM
Replies: 124
Views: 16,882
Posted By samarkh

RE: Motor and Gearbox Testing

Hi Blitz,
Yup your correct, the RX-14 is a rare animal. I've only got one and have yet to reverse engineer it. I've had a few personal issues at this end including a trip to hospital, along with a...
Forum: RC Tanks
05-03-2008, 04:10 PM
Replies: 124
Views: 16,882
Posted By samarkh

RE: Motor and Gearbox Testing

Hi Jake,
I'd love to send you what I've got, but my PC mother board died taking the raid disks with it! At this moment I'm tring to recover the files.

Yours Simon M.
Forum: RC Tanks
05-02-2008, 03:05 PM
Replies: 4
Views: 782
Posted By samarkh

RE: Reciever Boards

If wanting to keep the cost down, I'd suggest HL TK-RX14 s&s setup

Yours Simon M
Forum: RC Tanks
05-02-2008, 03:00 PM
Replies: 124
Views: 16,882
Posted By samarkh

RE: Motor and Gearbox Testing

Hi Jake,
Where did you find the motor manufacturers data? I'd like to check my findings against them. Also I want to see what the final drive shaft torque should be!

Yours Simon M.
Forum: RC Tanks
05-02-2008, 02:52 PM
Replies: 15
Views: 7,079
Posted By samarkh

RE: Custom Track Vehicle

Hello Brice Arnold.

Wow! On a tracked machine, what sort of BHP / torque is required to achieve this performance?

If you look at http://www.rctank.jp they have a video of someone riding...
Forum: RC Tanks
05-02-2008, 01:08 PM
Replies: 8
Views: 1,094
Posted By samarkh

RE: The KING

One of the better tank videos, nice to see you have kept to the 5 sec / clip rule to keep it tight and interesting. Even my eldest managed to watch it with out reaching for his PSP!:D

Yours...
Forum: RC Tanks
04-30-2008, 03:36 PM
Replies: 23
Views: 1,777
Posted By samarkh

RE: RC Channels

I like your thinking Dave:D

Yours Simon M.
Forum: RC Tanks
04-30-2008, 02:56 PM
Replies: 38
Views: 8,824
Posted By samarkh

RE: Heng Long Gearbox's

OK I've got a bit further with this, but as 971wright pointed out it is going to cost. The gears alone for this project, and I hope you are sitting down, is around £220. I hope to work on this price...
Showing results 1 to 25 of 206
 
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