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HelicopterHIROBOOther › Freya dampers
12-09-2003 01:36 PM  14 years agoPost 1
RAS

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Scotland

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How long should dampers on my Freya last (OS61)? Would damaged once cause a blade flutter?

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12-09-2003 01:40 PM  14 years agoPost 2
z11355

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New England

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depends on how aggressive your
flying is and also any slop in the system
and which blades you have.

certainly is the least expensive 'try it and
see' option.

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12-09-2003 04:53 PM  14 years agoPost 3
Scooterpilot

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Southern, California

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Dampners

Hi,

The frequency for replacing the dampners is dependant on how you fly your model. The more aggressive 3D requires the dampners to be changed more frequently.

I push my Freya very hard every time I fly it so I change my dampners every 50 flights.

When you say, damage once, what type of damage?

Regards,

Two G-4's & X50's YS60SR,Futaba 18SZ/12Z/14FG, ,Rail Blades Rep

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12-17-2003 11:49 AM  14 years agoPost 4
RAS

rrNovice

Scotland

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I replaced the dampers (£13 for two small pieces of rubber!) The original ones were a bit soft. I dont fly aggressively but had one very bad crash.
Because of weather I haven't been able to test fly.

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12-17-2003 02:24 PM  14 years agoPost 5
Alistair

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no where land

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every 4-8 gallons for me... depending on what i was comanding the heli to do while aloft.

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12-17-2003 02:29 PM  14 years agoPost 6
z11355

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New England

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well, remember, thats 13 GBP for 2
pieces of rubber w/ metal inserts!

Then look at the printed list price on
the pkg of 1000 Yen and see what
price premium you're paying in the UK.

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12-17-2003 02:37 PM  14 years agoPost 7
Alistair

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no where land

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yeah... never said it was exactly cheep... but, they wear... gotta be replaced.... better than cutting off the tail in flight. also, i don't like the way the machine flies on worn out dampners.

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12-17-2003 02:39 PM  14 years agoPost 8
mrNoodles

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Borlänge, Sweden

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z you agitator

I replaced the std. ones with the 80durometer yesterday and tried them today.
I liked the new feel, noticed a slight wobble @1550rpm but I can live with that!


PS the dampers are only $10 here in Suecia DS

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-17-2003 02:45 PM  14 years agoPost 9
Alistair

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no where land

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it's likely that i will try out the 80's

i hover at 1500... therefore, my heli will wobble like a peingiun lol. (i know i know... spelled wrong)

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12-17-2003 03:36 PM  14 years agoPost 10
RAS

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Scotland

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Is there a definative lits of things that wear out or to watch out for on a Freya e.g. things I've found out in the short time I've had a freya are
-check main mast collar every couple of flights as it moves giving up and down play in main mast (quite a frightening experience)
-the slightless loseness can cause glitches (eg. remote glow plug lose on frame) as can a defective bearing
-tail wag means engine too rich/lean (e.g. when weather has changed a lot). A few clicks sorts it
- it's normal to have shaking at 1550 to 1600 rpm - above and below that it's fine
-dont overtighten Quick UK header tank to frame as the holder can shear
-check clunk line very frequently as it goes like jelly (although the clunk in the header tank seems to last "forever")
-dont turn on battery when main blades are in blade holder or you'll burn out your collective 9252 after a short while
-the middle needle on an OS61 WC is there to make the carb look nice and complicated
-after a crash, bearings on main blades, main mast starter shaft need replacing
-UK kit price is low but they dont half get you on the price of spares
-flying helicopters is not a hobby it's part of the finance industry

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12-17-2003 03:39 PM  14 years agoPost 11
RAS

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Scotland

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....... and a gallon (small US) fuel not only cost £18, you've got to add another £3 towards the cost of dampers which need replacing after 4 gallons...

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12-17-2003 03:53 PM  14 years agoPost 12
Alistair

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no where land

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mine is pretty smooth at 1500. only really shakes if i give a big quick input.

dampners are really the only thing that are a regular thing for me.

check the dampner bolts and yoke bolts often. i check them every flight. only once have i found a loose bolt on the freya, and it was a dampner bolt. not good it these come out... especially if the disc is facing you.

i never had a problem with the collar on the main mast... perhaps your bearing are not pushed in all the way? collar not tight enough? more locktite?

i had my header attatched where the boom supports went to the frame. kept breaking the bolt, so the header would just dangle. problem rectified by putting the directly to the lower frame.

use different tubing for your clunk... i had the same problem with mine. i don't recall what i've got in there now, but it stays, and it stays in one piece.

helicopters are a waste of money... but a bloody splended waste of money at that

keep an eye on your radio tray. mine seemed to enjoy reeming itself out (where the screw go through the frame -4-). again, not good if this departs. i used screws with slightly larger heads, but same thread... also put 5min epoxy in 'round the head to help absorb vibration. works well.

vertical fin is a bit weak (flexes)... watch your tail on autos or any landing for that matter, and attempt to keep the tail out of the grass, tarmac, gravel etc. that is precisely how i killed a couple sets of my feathers.

try not to crash, as this tends to prematurely wear parts out.........

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12-17-2003 04:01 PM  14 years agoPost 13
mrNoodles

rrProfessor

Borlänge, Sweden

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Just fly my..

Flew my Freya all summer with the same dampers. (+20gallons)
Not much maintenance to do, just fuel and fly.
Had the clunk tube break due to sharp edges on the pipe going in the tank. No wobble or shakes with std. dampers, could hover below 1500rpm. Mast collar is tight in place, using LocTite of course.
The tail really tells if your engine is too lean

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-17-2003 08:53 PM  14 years agoPost 14
Jarno

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Finland

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Mine is smooth at 1200 too...well I've got the FAI setup

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12-17-2003 09:31 PM  14 years agoPost 15
mrNoodles

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Borlänge, Sweden

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Hehee Jarno, the sec. I saw you had replied to this topic I almost knew what you would say A friend is doing the final tweaking on his Tempest FAI and he thinks Im crazy when changing to harder dampers He wants to go below 1550rpm (and he did when he tried my SAB 0221´s)

So how´s the flying? Yesterday it was -12'C, today +4'C so I quick charged and went out!!
Got 3 tanks thru the YS The forecast looks like sun and around 0'C on Saturday!!

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-18-2003 02:23 AM  14 years agoPost 16
Alistair

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no where land

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you flew FAI all summer?

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12-18-2003 07:46 AM  14 years agoPost 17
Jarno

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Finland

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you flew FAI all summer?
Not just summer, but whole year round Actually I do 3D every now and then, but mostly FAI stuff. I'm pretty addicted to FAI; it really needs discipline and lot´s of nerves to repeat hovering manovers over and over again...and also tweaking with setups are fun too.The good thing with the Freya (and my current FAI setup) is that if I want to fly 3D, then it's just 3 minutes work to make my Freya ready for 3D....just pull in extra flybar weights, change another model in radio and that's about it I also use the same symmetrical blades for FAI and 3D.

Noodles

I agree with your friend! But what you think of the following. This is how the FAI guys tweak with the head dampeners: Many of us have used e.g 60 and 80 durometer dampeners together to make a Freya suit well in gusty wind (like last season at Gothenburg contest there was a pretty wicked wind). It really helped with hovering and was still pretty decent in fff. Just the 60 durometer dampener on another side of the head block and 80 on the other side

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12-18-2003 08:27 AM  14 years agoPost 18
Jarno

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Finland

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Noodles, no flying here recently. It's below -20´C here It's getting warmer for the weekend though...hopefully I get some flying then.

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12-18-2003 08:33 AM  14 years agoPost 19
mrNoodles

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Borlänge, Sweden

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Jarno didnt you move to northern Finland (or have I dreamt that)?
Here it might end up in another lovely day, Sceadu is charging.

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-18-2003 08:43 AM  14 years agoPost 20
Jarno

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Finland

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Yup, that's what I did. Good thing living in Lapland is that Santa lives next door and I get a change to pick up the best gifts before the others

Happy flying today Freydrik

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HelicopterHIROBOOther › Freya dampers
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