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Scorpion Power Scorpion Power
08-07-2007 12:08 AM  10 years agoPost 21
Clement7rrNovice - Manila, Philippines - My Posts: All  Forum  Topic

GETTING RID OF TAIL VIBRATIONS

Hey Gorn! We have the same bag! Have you tried removing the canopy before inserting your Maxum into the bag? My Maxum fits in that same bag designed for a Freya90. You just have to remove the canopy. But doing so is not a good idea, the flybar may get bent. Bummer! (LOL)

Hi Andy! Finally got myself a Maxum!

Just about $2 fuel consumption compared to $31 I spend with nitros for 90 minutes worth of flying time! Tremendous amount of savings for a heli addict!

Finally was able to get rid of the tail vibrations.

1. Reverted back to 23cc, 26cc has too much vibration. Took a toll on my Maxum one time when doing AP, my tail servo overheated and tail slid continuously counterclockwise forcing me to chop it to avoid hitting the car we were shooting that day. Had to replace main rotor blades, tail blades and the gears of the tail shaft.. that's all the damage there is.. Main mast and spindle and the rest of the parts were all intact. Wow, talk about a well engineered machine!

2. After solving the horizontal high frequency vibrations on the tail, next thing I noticed was the up down high frequency vibes, still on the tail..so we were thinking that it could be engine tuning or the tracking of the blades needs some adjustments.. but my engine was tuned perfectly with the help of Miguel, sparkplug was good and dark brown in color when we checked, tracking was fine, . . upon close inpection of the tail gears, we noticed that the gear on the tail rotor shaft wasnt installed correctly so we had to straighten that out.. also noticed that the tail boom brace was not tight enough, so I had to adjust that as well.. BE CAREFUL WHEN TIGHTENING THE SCREWS OF THE TAIL BOOM BRACE, I BROKE A SCREW WHEN I OVER TIGHTENED ONE SIDE.

After doing a test flight yesterday afternoon, I'm proud to say that my Maxum is flying perfectly and is well trimmed and balanced.

I now always check the tail servo's temp after the first 5 minutes of flight of the day and after each flight. If it's too hot to touch, then that's a sign that your servo is overworked due to bad vibrations.

Jojo

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08-07-2007 03:46 PM  10 years agoPost 22
gorn

rrElite Veteran

Western Australia

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Hey Clement
I couldnt even get it far enough into that bag to get the skids entirely in it lol.

For the love of the hobby

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08-07-2007 03:52 PM  10 years agoPost 23
Clement7

rrNovice

Manila, Philippines

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Hey Gorn!

There's a technique.. since I'm doing AP, to get my Maxum's CG right, instead of my skids angled forward, it was installed angled backward. LOL

No wonder mine fits! Cheers Mate!

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08-08-2007 05:08 PM  10 years agoPost 24
gorn

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Western Australia

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ahaaa, see thats the trick

For the love of the hobby

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08-08-2007 05:23 PM  10 years agoPost 25
Gopedasia

rrNovice

Manila Philippines

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all you need to get is the right maxum bag

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08-09-2007 04:55 AM  10 years agoPost 26
Shiro Muji

rrVeteran

Japan

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Clement, Gopedasia, Gorn: just a question, have you guys reply to the Forum re Who's what gasser count? perhaps you can add a number to the present maxum count on the forum

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08-09-2007 04:11 PM  10 years agoPost 27
gorn

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Western Australia

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Already done Shiro

For the love of the hobby

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08-13-2007 09:12 AM  10 years agoPost 28
Shiro Muji

rrVeteran

Japan

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Gorn post several pictures of my gasser in one of the forum.

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08-27-2007 02:56 AM  10 years agoPost 29
ao97b

rrNovice

manila

My Posts: All  Forum  Topic

my old newbie videos

Hi!

I just want to share my newbie videos last Feb. 2007. MAXUM is my first liquid fueled helicopter. Never flew glow. Flew electric helis like Trex 450 SE v2 and Quick EP8.

My setup is a little bit on the budget.

only used futaba 9252 on my cyclic but I'm replacing them with higher torque servos to fly a little bit 3D. I fly F3C at the moment.

My engine is Zenoah 23CC PUH

http://www.youtube.com/watch?v=4-XhRIJgmOE

Here is my video when I learned to autorotate. Now I learned to auto landing on the heli pad hehe...

http://www.youtube.com/watch?v=p7vmG9VxRYA

MAXUM by realheli Align TREX SE Quick EP8

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