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Saito 82 vibration - 10/4/2009 4:21 PM   
rcfanas


 

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From: Kaunas, LITHUANIA
Status: offline 		Hello everybody ! i have one question about saito 82 engine vibration, or all saito 82 engines have high vibrations ?


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RE: Saito 82 vibration - 10/4/2009 4:42 PM   
gadix


 

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From: Modi'In, ISRAEL
Status: offline 		yep!
more than OS

YS is the one with the most viabration, as well as ENYA 4T's

make sure your fire wall is strong enough
you can try and get one of those anti-vibration engine mount out there in the matket DU BRO, Tower hobbies and more...


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RE: Saito 82 vibration - 10/4/2009 4:45 PM   
gadix


 

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http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXD626&P=7



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RE: Saito 82 vibration - 10/4/2009 5:07 PM   
rcfanas


 

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From: Kaunas, LITHUANIA
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quote:

ORIGINAL: gadix

yep!
more than OS

YS is the one with the most viabration, as well as ENYA 4T's

make sure your fire wall is strong enough
you can try and get one of those anti-vibration engine mount out there in the matket DU BRO, Tower hobbies and more...



what do you mean then say fire wall ? saito 82 i will be put in katana v2 46

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RE: Saito 82 vibration - 10/4/2009 5:14 PM   
gadix


 

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From: Modi'In, ISRAEL
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this is a profile 3D plane as i recall : http://image2-5.rcuniverse.com/e1/art/kits/aircraft-3878.jpg


make sure that the 2 wood engine bases are strong enough

with saito 86 you are in OVER POWER more than needed for 3D
the katana V2 46 yellow/white is made for 46-55 2T easy

but you now what they say...?

more power...is allways better..



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RE: Saito 82 vibration - 10/4/2009 5:26 PM   
rcfanas


 

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From: Kaunas, LITHUANIA
Status: offline 		yes 82 have more power, but will i have extreme 3D flying

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RE: Saito 82 vibration - 10/4/2009 5:33 PM   
freakingfast


 

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From: Rancho Murieta, CA, USA
Status: offline 		I had Saito 82 in a H9 Ultra Stick 40. After landing, I noticed the smell of burnt wood, then I saw a faint wisp of smoke at the front of the wing & fuselage!
Thinking the battery had shorted, I removed the wing immediately. That's when I discovered the two wing dowels had a burnt notch half way through and the holes in the fuselage were elongated too. The 82 shook the plane so hard that it rubbed the wing dowels like two sticks trying to make a fire
And yes the APC prop was checked for balance. Indeed a Saito 82 can shake things up!

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RE: Saito 82 vibration - 10/4/2009 6:30 PM   
blw



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From: Opelika, AL, USA
Status: online 		That kind of shaking can only mean a couple of things:

the engine is breaking in (put it on a test stand)

the low speed is set too rich (most likely the real cause)

something is defective in the engine (not so likely)

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RE: Saito 82 vibration - 10/4/2009 8:53 PM   
gadix


 

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From: Modi'In, ISRAEL
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you will hover with 1/3 of TH


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RE: Saito 82 vibration - 10/4/2009 9:55 PM   
rcfanas


 

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quote:

ORIGINAL: gadix

oh yeh!!!!

you will hover with 1/3 of TH



;O yah i like it !

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RE: Saito 82 vibration - 10/5/2009 4:32 AM   
freakingfast


 

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quote:

ORIGINAL: blw

That kind of shaking can only mean a couple of things:

the engine is breaking in (put it on a test stand)

the low speed is set too rich (most likely the real cause)

something is defective in the engine (not so likely)


The 82 had seen well over a gallon through it in another plane, well broken-in.

Didn't see much flight time under half throttle so it didn't spend much time under the low speed's control and it was set as good as it was going to get. Wringing out some high powered 3D maneuvers mainly. The wings make a ton of noise from the engine at high throttle, like a speaker diaphragm.

I had two of these engines, they ran exactly the same, not defective, just the nature of the beast.

Others have reported the same occurrence with same engine- plane combo.

This engine is not alone in high vibration, for instance a YS 110 in a WM P-51 can notch a front wing tang in one flight, seen at least six of these cases.

A tube of brass over the dowels or a strap of brass glued over the tang stops this damage.

One P-51 was lost due to a former wearing a hole into the fuel tank which soaked the receiver. Others have been lost due to the receiver not properly protected from vibration.

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RE: Saito 82 vibration - 10/5/2009 4:37 AM   
w8ye



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Status: offline 		I have a Saito 82 that runs smooth. I didn't do anything special to it.


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RE: Saito 82 vibration - 10/5/2009 4:37 AM   
w8ye



Posts: 36436
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From: Shelby, OH, USA
Status: offline 		I have a Saito 82 that runs smooth. I didn't do anything special to it.


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Attended the CutFinger Institute of DirtNap University for years but never did graduate....
Recipient, Mangledhand award August 2008
Club Saito Member #7
Original AMA #31261

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RE: Saito 82 vibration - 10/5/2009 8:21 PM  1 votes
blw



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From: Opelika, AL, USA
Status: online 		I've seen a lot of ARFs that were built with minimal structure and they couldn't help but shake with any engine.

The next time you go out, run WOT and peak your hs needle to the best RPM you can get that day. Leave it there until you have tuned your lowspeed. Give the engine a bit of throttle and start leaning your low speed needle about 1/8 a turn at a time. Start getting the feel for advancing the throttle a little slowly and listening to the engine. If you aren't getting a ton of smoke, then try shoving the throttle forward to check it a second time. Check the high speed from time to time. Keep going until you see and hear the engine wheeze from running too lean. Back off the low speed needle about half of your last adjustment, and go fly. Listen to your engine as things change in the air. Tweak as needed.

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The ultimate responsibility of pilots is to fulfill the dreams of the countless millions who can only stare skyward...and wish.

"It doesn''t take but one Auburn man to be a majority" -
Coach Pat Dye

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