Scale Replica

Scale Model Cars, tanks & Helicopters

Scale Replica Blog

My Scale Replica Blog containing my thoughts, tip and experiences on building and flying R/C helicopters.
Tags >> helicopters
Jul 07
2008

Align Governor

Posted by dacostad in Setup tips , helicopters , Governor

As I "borrowed" the Futaba GV-1 governor from my Align Trex 600 Nitro I decided to replace it with the Align RCE-G600 governor.Align GCE-R600 Governor

 Installing it was very easy with the sensor bolting on to the outside of the frames.

Setup on my JR 12x radio was also easy using the governor function allowed me to change headspeed from the radio and have a different speed set for each flight mode.

Jul 02
2008

Experiences using a Governor on a Airstar Mongose - Part 3

Posted by dacostad in Setup tips , helicopters , engine

Yesterday I test flew the Mongoose with the Futaba GV-1 governor in place and experienced similar problems to the CSM Revlock.

After disconnecting the Governor,  the problem still existed and turned out to be engine tuning related and after a few adjustment I got the engine dialed in and re-activated the GV-1 which performed fine.

 My next test is to re-install the CSM Revlock and see if it now works.

Jun 28
2008

Experiences using a Governor on a Airstar Mongoose - Part 2

Posted by dacostad in Setup tips , helicopters , engine

 So today I fitted a Futaba GV-1 governor that I had on my Align Trex 600 Nitro and did a breif test hover in my back yard.  The governor appears to be working fine which I will confirm next week with a more comprehensive flight test.

Futaba GV-1

Jun 27
2008

Experiences using a Governor on a Airstar Mongoose

Posted by dacostad in Setup tips , helicopters , engine

Having just installed a CSM Revlock and Stator Gator Governor on my Airstar Mongoose (see Workbench), I have just got back from my test flight with the Mongoose and unfortunately it was not successful.

I have programmed the Revlock as per the instructions and everything is responding as expected in terms of the LED including passing the sensor test.

However,  when trying to fly it for the first time,  the Revlock holds the RPM at idle.  I disengaged the revlock (set ATV to 0%) and flew fine,  then landed re-engaged the governor and then the head speed was held at about 1030 rpm and increasing the ATV had no impact on the head speed.  I even tried putting the RPM range on the Revlock up to 17+ and this caused the head RPM to be very unstable.

I am seeking help from both CSM and Stator Gator.

Stay tuned!

Jun 22
2008

How to add braided sleeving to RC Helicopter wiring

Posted by admin in Setup tips , helicopters

A good way to protect your cables when installing the electronics into a RC Helicopter is to add braided sleeving.   This also gives a nice professional looking installation.

 Here I show how I do this.

 So in this example I am using an antenna extention for my Spektrum radio.

Jun 21
2008

Tip on RC Helicopter wiring

Posted by admin in Setup tips , remote control , helicopters

 How do you tie cables to the helicopter frame when you only have one hole.

You could go through the hole and over the side of the frame,  but this would not be very neat or often practicle.

So here is what I do.  Imagine the piece of plywood with the hole in it shown below is the the helicopter frame.

Jun 11
2008

My first impressions of the new JR 12x radio

Posted by admin in remote control , helicopters , 2.4Ghz radios

So I received my new JR 12x radio this week and tried it yesterday on my Airstar Mongoose.

  I was already using the JR X9303 2.4 Ghz radio with this helicopter so all I had to do was rebind the JR R921 receiver with the 12x.

JR 12x radioThe first thing that I noticed that was different to the 9303 was the way the throttle trim works.  On the 9303, you can set your throttle curve to 0 if you like and the throttle trim can bring it lower than o to kill the engine.  On the  12x the throttle trim will only bring the  throttle curve to a minimum of 0, so you have to adjust your throttle curve to take account of this.

May 02
2008

The 2.4Ghz conundrum

Posted by in helicopters , 2.4Ghz radios

2.4Ghz Spread Spektrum radios are definite improvement over 72Mhz FM radios.  Worries about someone else turning on the radio on the same frequency and "shooting down" your helicopter are gone.

However, we soon forget about the bad old days of having to put up a peg with your frequency on the board at the local flying field. Now we have to deal with the decision as to which of the three main systems that are available on the market today, namely

Spektrum / JR
Futaba FAAST
XPS

On paper they all have their respective advantages, some more than others, that is the theory. The reality is, if you read the various online forums they all seem to have their failings and indeed failures.

Apr 24
2008

Setup for Airstar JetCopter SX on a JR XP9303 or X9303 Radio

Posted by in Setup tips , scale helicopters , remote control , helicopters

This channel must be able to use a 3 position switch, preferably of the slider type to allow a gradual spool up.  The JR XP9303 has two, one on each side (Aux3 and Pitch).
Apr 22
2008

Align Trex 600CF has been sold

Posted by admin in scale helicopters , helicopters

As I have not used this helicopter for a long while I decided to sell it to a fellow flyer at the park I fly at.