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HelicopterThunder TigerOther › Raptor 90se throttle arm
12-04-2005 10:48 AM  12 years agoPost 1
Saxie

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Cape Town, South Africa

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Hi

I have a new problem now. just finishing my raptor 90 se build and installed the engine (os 91 c-spec pumped) to find that the throttle arm hits the top of the frame preventing it from closing all the way. I can grind down the top of the arm but then in future I wont be able to use a double link on my throttle. Anyone had this problem? I have a photo but can only upload on Monday.

Thanks
Werner

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12-04-2005 01:57 PM  12 years agoPost 2
Al Magaloff

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12,199 Posts- Enough Time Wasted. See Ya!

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Really, no double link needed. Put the ball on the inside.

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12-04-2005 04:54 PM  12 years agoPost 3
BlakeMcBrayer

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Georgetown, Ky

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I'm not 100% sure on the OS (as I'm a YS man). But you should be able to loosen the screw that holds the arm to the carb shaft and reposition it. Set the lever so that it's travel is within a area that gives you full travel and stay as close to parallel to the throttle servo's travel.

.

Don't come off the throttle untill you see your GOD!

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12-05-2005 01:46 AM  12 years agoPost 4
dragonlord

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luton uk

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Yep just found the same on mine when i was trying the enging fit today

Ill be intrested in the answer as well as id rather not grind it off as i may want to try puch pull on it latter

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12-05-2005 05:52 AM  12 years agoPost 5
SaxierrNovice - Cape Town, South Africa - My Posts: All  Forum  Topic

The engine mount has three holes on either side that the engine can bolt to. As far as I know I used the top set so maybe I can move the engine down to the bottom set and the throttle link might clear the frame. I'm just worried that the clutch wont be flush inside the clutch bell.

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12-05-2005 06:11 AM  12 years agoPost 6
ESWLFSE

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Liberty Hill, TX

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You'll never miss the other arm, you have to cut it off, and the engine only fits one way.

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12-05-2005 06:22 AM  12 years agoPost 7
Salty

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St. Augustine

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as the other guy said, you wont be able to move the motor down... engine goes in one way and one way only if you do move the motor down whats to become of the clutch? it wont mesh. cut one side of the arm off and be done with it, I've been flying with this configuation for years now with no issues.

Ask your Doctor if getting off your ass is right for you.

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12-05-2005 02:22 PM  12 years agoPost 8
Saxie

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Cape Town, South Africa

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Thanks all for the replies. Thats it then...I'll have to amputate...

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12-06-2005 02:19 AM  12 years agoPost 9
Rayzor120

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Northeast Ohio

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Thanks for asking that question Saxie.
I had the same problem. I cut mine
off but was not for sure what others
were doing about the same issue.

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12-06-2005 03:33 AM  12 years agoPost 10
dragonlord

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luton uk

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Looks like ill be doing a amputatetion as well.

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12-06-2005 04:38 AM  12 years agoPost 11
Alan Szabo Sr

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Las Vegas, Nevada

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amputate

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12-06-2005 03:20 PM  12 years agoPost 12
dragonlord

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luton uk

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wont ague with that
alan if you dont mind me asking . Im curouse what the the nipple is for that caped off with a small lenth of fule tubeing is for in the pic

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12-07-2005 02:14 AM  12 years agoPost 13
BlakeMcBrayer

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Georgetown, Ky

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dragonlord,

The capped off nipple looks like an unused exhaust pressure tap.

.

Don't come off the throttle untill you see your GOD!

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12-07-2005 02:17 AM  12 years agoPost 14
Alan Szabo Sr

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Las Vegas, Nevada

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Thats right. I pretty sure that is a Cline set up on that motor. It uses crank case pressure instead.

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12-07-2005 02:18 AM  12 years agoPost 15
onebigjunker

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Wellsville, Ks

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never mind!

work hard, play even harder!!!!
Team Empire Hobby/GAUI USA

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12-07-2005 06:57 AM  12 years agoPost 16
dragonlord

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luton uk

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lol thanks was just curous

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12-23-2005 02:37 PM  11 years agoPost 17
Saxie

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Cape Town, South Africa

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I've installed a futaba 9252 for the throttle and used the big star shaped servo horn that came with this servo but now at throttle full open position the plastic part of the ball link rod binds against the throttle arm horn. The angle there seems odd as well. Its almost as if I need an extra long servo horn to get that sorted. Anyone can post a pic of their setup so I can see please?

Thanks
Werner

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12-23-2005 04:11 PM  11 years agoPost 18
ESWLFSE

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Liberty Hill, TX

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My servo ball is 14mm out. Make sure your pushrod is the same length as the distance between the servo arm screw and the throttle arm screw, and that both arms are at 90 degrees at 50% throttle and nothing should bind.

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12-23-2005 04:35 PM  11 years agoPost 19
BlakeMcBrayer

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Georgetown, Ky

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I have had the same problem in the past. I used a longer 2mm socket head mahcine screw with a spacer between the arm and ball. The quickest and easiest thing to use as a spacer is the brass inserts that came with you servo. You know the little brass or metal things that go in the center of the mounting gromments.

I would NOT recommend using anything other than a machine screw with a nylock nut on the back of the arm. The plastic screws can tend to pull out of the arm with any kind of spacers installed.

.

Don't come off the throttle untill you see your GOD!

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12-23-2005 06:21 PM  11 years agoPost 20
Saxie

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Cape Town, South Africa

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Thanks for the replies. I though that maybe I could loosen the horn on the throttle arm and just reposition it so there's no binding and then tighten it again?

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HelicopterThunder TigerOther › Raptor 90se throttle arm
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