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Scale Replica Blog

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

Experiences using a Governor on a Airstar Mongose - Final

Posted by dacostad in remote control , Governor , engine

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Yesterday I re-installed the CSM Revlock and test flew the Mongoose and although iy appeared that the governor was working I could not set the correct headspeed which when tached, was alway lower than I had set.

After double checking my setup (ration, engine speed etc) and test flying a couple more times I decided to switch back to the Futaba GV-1 in which I set the same ratio and target headspeeds.

 Again I had a friend tach the actual headspeed when flying and it matched that set in the GV-1.

Jul 02
2008

Experiences using a Governor on a Airstar Mongose - Part 3

Posted by dacostad in Setup tips , helicopters , engine

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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

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 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

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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!

May 08
2008

Learn from my mistake!

Posted by admin in engine

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While preparing for the maiden flight of my Hirobo Super Cobra, I could not get the engine started.  After checking everything, I brought it back to my workshop for further investigation.

Even after removing the mechanics from the fuselage my investigations yielded no results.  Eventually I decided to remove the engine from the mechanics start the naked engine on a test stand.

clutch shoe