Search: Posts Made By: tjmackey
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Forum: Scale RC Helicopters 11-16-2011, 02:15 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Still sorting out the differential pitch sensitivity issue, I think it may be a servo resolution issue as the DP moves very little on each rotor only about 3degrees total pitch change and this...
Forum: Scale RC Helicopters 12-02-2010, 01:43 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Pitch axis is still a little odd, It definately reacts differently to the aileron, this makes sense as the aileron is cyclic and the differential pitch is a collective thing. I'm starting to believe...
Forum: Scale RC Helicopters 11-16-2010, 06:30 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Hope so, I discovered why the pitch axis has been so active, Turns out there is about 7 degrees of differential pitch there, I will take this back to about 3 deg total were I thought it was[X(], then...
Forum: Scale RC Helicopters 11-15-2010, 07:53 AM
Replies: 4
Views: 903
Posted By tjmackey
RE: Bell 47

Have you looked into what the scale of your build will be?
Forum: Scale RC Helicopters 11-15-2010, 07:33 AM
Replies: 4
Views: 903
Posted By tjmackey
RE: Bell 47

Sick, A 450 bell 47G would be awsome, I recommend using the torque tube kit for the tail. Can't wail to see what you come up with, this build will be grouse:D
Forum: Scale RC Helicopters 11-15-2010, 07:29 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

LOL, Ill have to trust the helitronix, I seem to me making progress taming this thing, I am able to hover it inside the workshop without too much trouble, I will contine testing on the pitch axis...
Forum: Scale RC Helicopters 11-03-2010, 05:26 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Today decided to remove the Differential pitch trim servo today as it has become unneccesary. The DP can be easily trimmed using the radio without the added mechanical complication of the slide mech...
Forum: Scale RC Helicopters 10-26-2010, 05:11 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Have just ordered new joints for the transmission shaft, I noticed quite a bit of wear and backlash in the original joints. The new joints are the universal type and have needle roller bearings so Im...
Forum: Scale RC Helicopters 08-07-2010, 08:41 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Thankyou, Condor060

Iv'e been having a little difficulty finding the best settings for c/p range -? to+?, and if I should use the yaw gyro in heading hold or not. At the moment the c/p is 0 to...
Forum: Scale RC Helicopters 07-03-2010, 05:50 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Video is not good quality, its a shame we can't upload HD here. I will be taking it to the field next Saturday to move it around a little.
Forum: Scale RC Helicopters 05-01-2010, 03:42 AM
Replies: 1
Views: 802
Posted By tjmackey
RE: RC giant scale 500

Wow, nice 1/1 scale 500:D is that thing autonomous or is it being piloted remotely?
Forum: RC Helicopter Beginners Forum 04-27-2010, 08:21 AM
Replies: 10
Views: 1,871
Posted By tjmackey
RE: Big electric helis?

I built a large electric Chinook heli. It was originally powered by an align 90. However after a few testflights I decided to convert to electric to eliminate vibration and oilsmoke issues. Since my...
Forum: Scale RC Helicopters 04-27-2010, 05:49 AM
Replies: 1
Views: 873
Posted By tjmackey
RE: Scale flying

A reduction in rotor rpm can make a big difference, also heavy flybar paddels and blades will slow the following rate. In some cases when rotor rmp is reduced with the correct gear ratio, or kv of...
Forum: Scale RC Helicopters 04-25-2010, 11:22 PM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Couldn't Fly at scale day, However here is a video in the backyard with the fuse on.
http://www.rcuvideos.com/video/Test-flight-Chinook-wfuse
Forum: Scale RC Helicopters 04-07-2010, 06:25 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

scale day on Sunday, Will have my cam, hopefully I will have the chance for a test fly there, If they will let me[:o]. I have been working on the duel battery system for the radio and some...
Forum: Scale RC Helicopters 03-02-2010, 04:58 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

well, its all happening now. The fuse has been fitted tonight and as soon as the rain stops here ill do some more flight testing in the back yard and measure the current in and out of ground effect:D...
Forum: Scale RC Helicopters 01-20-2010, 06:14 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

Maybe I should just tie the chinook to the back of my car;). Nothing of any real interest has happened lately in regards to the chinook, I've been a bit lazy over Christmas. Soon I'll get back to...
Forum: Scale RC Helicopters 01-02-2010, 09:50 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

I need to build a trailer, as I can't fit the chinook with its body in the car. This is a real problem because once the fuse is fitted the heli is un-transportable. I will need to adress this issue:D
Forum: Scale RC Helicopters 12-23-2009, 07:36 AM
Replies: 17
Views: 9,581
Posted By tjmackey
RE: Huey

Hi Mike.
Nice machine and glad to see you have gone electric, after converting to electric I've not looked back so far:D. The only thing I noticed is you have a flybarless setup on a machine that...
Forum: RC Scale Boating 12-17-2009, 08:25 AM
Replies: 49
Views: 18,570
Posted By tjmackey
RE: Springer Tug Build!!!

4D aquatic hardcore action is awsome, I enjoy 4D on a regular basis:D especially with springer push boats.
Forum: Scale RC Helicopters 12-17-2009, 08:12 AM
Replies: 136
Views: 26,261
Posted By tjmackey
Forum: E-Flight Power Sources 12-16-2009, 05:26 AM
Replies: 4
Views: 1,866
Posted By tjmackey
RE: Equivalent brushless motors

You can also have a look at the buyer comments down the bottom, some people will show the results of tests they have performed and log current, cells, and input power. You can use this information...
Forum: Scale RC Helicopters 12-16-2009, 05:16 AM
Replies: 136
Views: 26,261
Posted By tjmackey
RE: Chinook scale build

The use of the word "have" means purchace dosen't it?
Forum: RC Scale Boating 12-15-2009, 06:33 AM
Replies: 49
Views: 18,570
Posted By tjmackey
RE: Springer Tug Build!!!

Just remember Kort nossles are not allowed for springer ball action either:D Great progress on the build, can't wait to see some video of the aquatic 2D action[8D]
Forum: E-Flight Power Sources 12-15-2009, 06:21 AM
Replies: 9
Views: 4,601
Posted By tjmackey
RE: Turnigy 5000mah 3 cell 25C lipos

Well, you have me interested to check out the truebalance range, it will give me some other options down track when I need to upgrade. Im only pulling about 5C out of each pack at the moment so 15C...
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