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Other › Dampers, who lubes them?
10-23-2009 10:36 AM  8 years agoPost 1
helicraze

rrElite Veteran

Victoria - Australia

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Just curious on who lubes there dampers? Using 3092 extra hard.

I usually give them a good helping of silicon grease. But on my logo 700 one of the dampers always seems to pop out after 30 flights or so and when you push it back with something small after 1 flight its out again.
I run 2 plastic spacers on either side of the dampers also to stiffen it up.
So now i tried using hardly any in hope that they will not pop out (read to use little in a henseleit manual).

Any tips etc or should i run them dry?

Also does anyone know the thickness of the brass spacers that come with the hard dampers? The plastic extra hard ar .55MM ea. I am hoping to get the brass ones as they will not compress over time.

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10-23-2009 02:42 PM  8 years agoPost 2
dahld

rrKey Veteran

Bakersfield, CA, USA

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No lube. We run them dry, change them every 100 flights, and they usually still look pretty good at the change. The outside ring has the imprint of the washer on it, and maybe the start of some of the rubber wearing off, which is why every 100 flights. The outside ring gets pretty ragged by 150 flights.

Also, we run two of the stock plastic washers per side. Puts a little pre-load on the rings, and helps keep everything centered in the head block.

Dave

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10-23-2009 09:41 PM  8 years agoPost 3
helicraze

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Victoria - Australia

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Thanks, i will try no lube at all next time and see if they stay in.

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11-05-2009 08:50 PM  8 years agoPost 4
SGrim80

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Lehigh Valley, PA

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Just as an fyi, I just received a new set of extra hard mikado dampeners for my 600 and it seems Mikado has doubled the thickness of the stock plastic washers so it seems there would no longer be a reason to double them up.

For clarification using 2 of the "new" washers would be the same as using 4 of the "old" ones.

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11-06-2009 06:09 AM  8 years agoPost 5
OICU812

rrMaster

Edson, Alberta, Canada

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Grim, can you measure these new ones thickness please??

...Once upon a time there were Nitros, flybars and frequency pins...

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11-06-2009 02:48 PM  8 years agoPost 6
SGrim80

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Lehigh Valley, PA

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I could but they are already on my helicopter. I did however do a comparison before assembly and held the two "stock" washers together and compared their thickness to the "new" washers. They were the same thickness.

Maybe someone has a pack and can measure them, otherwise I can take a grip off.

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11-06-2009 07:58 PM  8 years agoPost 7
Long Nguyen

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SoCal, US

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1mm for the thicker ones, and 0.5mm for the others. The thicker ones come with the FBL Logo 400 kits.

Long Nguyen
My videos: http://vimeo.com/longnguyen/videos
Máy bay cắt cỏ!

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