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1. 11:47 AM - Re: Re: check springs (jerzy krasinski)
2. 09:12 PM - Re: Re: check springs (Galin Hernandez)
Message 1
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| Subject: | Re: check springs |
=0A=0AIt-is possible that it is due to- lack of grease between the oute
r-(upper) tube and inner (lower) one.=0AYou can visually check these surf
aces without much troubles. If the lower-tube is dry with no grease on it
- this is the case.=0AIn my plane I attached greasing ports, one on the le
ft and one on the right of- the outer tube.=0AThis way- I can-put the
grease there -without any heroic actions.=0A=0AIn your case I would reco
mmend to try to grease the tubes- without removal of the gear from the pl
ane. =0ALoad the rear of the plane with sand bags, with another sandbag on
the floor below, until the tail goes all the way down.=0A=0AHaving the tail
down you have the front gear fully extended, -i.e. the springs push the
lower part out, and a big part of the lower tube is exposed.- Now you can
coat it with a decent dense grease for hard working parts, preferably- w
ith molybdenum sulphide. =0AWhen you put the plane back on the front gear t
hat grease will get carried inside between the tubes. That should solve the
problem.=0A=0A=0ARemoving the front wheel and especially-installing it b
ack is a- real pain. =0A=0AI did it by loading the- rear horizontal con
trol surface with sand bags.---Disconnect the upper nut holding the t
op of the landing gear as described by Rich. -Disconnect the rocker holdi
ng it at the bottom, and the whole thing should be able to be removed downw
ay.=0A=0APutting it back is much harder.-Getting the threaded top of the
shock absorber rod through-the bracket --is a real pain because it ju
st slides inside the assembly even with a very little force of friction whi
le pushing it in. To avoid it you have to compress the springs. -I welded
short strong ears to the upper and the lower tubes, compressed the assembl
y, wrapped a heavy steel wire around the ears to hold it compressed, and it
was easy to install. After installation you just cut and remove the wire.
=0AI do not know if the need for that pre compressing was caused by my wron
g installation, or if it is a standard thing, anyway, be careful because yo
u might get into a troublesome project.=0A=0AJerzy=0ATHANKS!=0A=0A=0A=0A___
_____________________________=0A=0AFrom: Galin Hernandez <galinhdz@gmail.co
m>=0ATo: kis-list@matronics.com=0ASent: Fri, April 16, 2010 7:14:42 PM=0ASu
bject: Re: KIS-List: Re: check springs=0A=0AOn Fri, Apr 16, 2010 at 1:33 PM
, Richard Trickel <richard_trickel@yahoo.com> wrote:=0A=0AGalien=0A>It is p
robably not the shock absorber that you here but the springs themselves..
- That absorber should last forever since it is for a car which sees a li
ttle more action than an airplane will ever see.-- If you really need t
o take it apart just remove the top nut and get the tail down to allow the
threaded area clear the upper bracket.- remove the rubber donut and pull
the upper tube off to expose the springs..- Try greasing the springs whic
h rub on the tube,- you will see the shock and can move it up and down to
see if it is good.=0A>Rich=0A>=0A>--- On Fri, 4/16/10, Galin Hernandez <ga
linhdz@gmail.com> wrote:=0A>=0A>=0A>>From: Galin Hernandez <galinhdz@gmail.
com>=0A>>Subject: Re: KIS-List: KIS TRI Nose Leg=0A>>To: kis-list@matronics
.com=0A>>Date: Friday, April 16, 2010, 9:04 AM=0A>>=0A>>=0A>>Sorry to hear
the damage, but you are OK which is the important thing. Use the round tube
as Rich said and make a fiberglass fairing for it. You can make the fairin
g to blend into the nose wheel pant. That is what we did for my airplane an
d it looks very good. I posted pics on my website:=0A>>=0A>>http://puertori
coflyer.com/cgi-bin/photoalbum/view_album/191461=0A>>=0A>>Rich, How do you
get the shock absorber out of the nose assembly on order to check it. Mine
squeaks a LOT as I taxi and it might need replacement.=0A>>=0A>>Galin=0A>>N
819PR=0A>>=0A>>On Fri, Apr 16, 2010 at 7:42 AM, Richard Trickel <richard_tr
ickel@yahoo.com> wrote:=0A>>=0A>>Graham=0A>>>We later swiched to a round tu
be of 4130.- If you can get some 2inch .095 wall tube you could weld that
in.- The airfoit tube requires stiffiners and though-better looking-
was not as strong as the round tube.- |You cand build a fairing onto the
tube with glass and foam.=0A>>>Rich=0A>>>Sorry to here about the mishape.
- Have you found the final cause?=0A>>>=0A>>>--- On Thu, 4/15/10, Graham
Brighton <gbrighton@skymesh.com.au> wrote:=0A>>>=0A>>>=0A>>>>From: Graham B
righton <gbrighton@skymesh.com.au>=0A>>>>Subject: KIS-List: KIS TRI Nose Le
g=0A>>>>To: Kis-List@matronics.com=0A>>>>Date: Thursday, April 15, 2010, 9:
07 PM=0A>>>>=0A>>>>=0A>>>>G'Day guys,=0A>>>>----------
------------ Recently swapped out the Subaru engine
(158hp ) for a Zero time 195hp Subaru in my KIS TRI -... Have had over T
emp Oil pressure probs ...but was thinking the engine was running in ok as
Oil Temp were coming down ..=0A>>>>-=0A>>>>However yesterday during anoth
er short test flt the Oil Pressure dropped ..and after an engine surge the
engine quit dead ..=0A>>>>-=0A>>>>Landed 50mtr short of the Runway ...Dam
age is ..one smashed Prop Blade and one Nose Gear leg ..=0A>>>>-=0A>>>>So
LOOKING to ask if anyone can give me a lead to a replacement nose gear Leg
- ..It has the Streamlined steel-leg ... Even a lead onto the Streamlin
ed profile steel supply would be great as i could remake the leg if i had a
piece of the Streamlined Steel Stock .=0A>>>>-=0A>>>>Any help would be g
reat =0A>>>>-=0A>>>>Graham Brighton =0A>>>>-=0A>>>>gbrighton@skymesh.co
m.au =0A>>>>=0A>>>>=0A>>>>=nofollow target=_blank>http://www.matronics.
com/Navigator?KIS-List=0A>>>>et=_blank>http://forums.matronics.com/=0A>>>
>llow target=_blank>http://www.matronics.com/contribution=0A>>>>=0A>>>>
=0A>>>=0A>>>=0A>>>=0A>>>et="_blank">http://www.matronics.com/Navigator?KI
S-List=0A>>>ttp://forums.matronics.com=0A>>>_blank">http://www.matronics.co
m/contribution=0A>>>=0A>>>=0A>>=0A>>=0A>>=0A>>=nofollow target=_blank>h
ttp://www.matronics.com/Navigator?KIS-List=0A>>et=_blank>http://forums.ma
tronics.com=0A>>llow target=_blank>http://www.matronics.com/contribution
=0A>>=0A>> =0A>=0A>=0A>=0A>et="_blank">http://www.matronics.com/Navigator
?KIS-List=0A>ttp://forums.matronics.com=0A>_blank">http://www.matronics.com
=======================
Message 2
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| Subject: | Re: check springs |
THANKS! I will try option #1 before any disassembly.
On Sat, Apr 17, 2010 at 12:40 PM, jerzy krasinski <
jerzy_krasinski@sbcglobal.net> wrote:
>
> It is possible that it is due to lack of grease between the outer (upper)
> tube and inner (lower) one.
> You can visually check these surfaces without much troubles. If the
> lower tube is dry with no grease on it - this is the case.
> In my plane I attached greasing ports, one on the left and one on the right
> of the outer tube.
> This way I can put the grease there without any heroic actions.
>
> In your case I would recommend to try to grease the tubes without removal
> of the gear from the plane.
> Load the rear of the plane with sand bags, with another sandbag on the
> floor below, until the tail goes all the way down.
>
> Having the tail down you have the front gear fully extended, i.e. the
> springs push the lower part out, and a big part of the lower tube is
> exposed. Now you can coat it with a decent dense grease for hard working
> parts, preferably with molybdenum sulphide.
> When you put the plane back on the front gear that grease will get carried
> inside between the tubes. That should solve the problem.
>
>
> Removing the front wheel and especially installing it back is a real pain.
>
>
> I did it by loading the rear horizontal control surface with sand
> bags. Disconnect the upper nut holding the top of the landing gear as
> described by Rich. Disconnect the rocker holding it at the bottom, and the
> whole thing should be able to be removed downway.
>
> Putting it back is much harder. Getting the threaded top of the shock
> absorber rod through the bracket is a real pain because it just slides
> inside the assembly even with a very little force of friction while pushing
> it in. To avoid it you have to compress the springs. I welded short strong
> ears to the upper and the lower tubes, compressed the assembly, wrapped a
> heavy steel wire around the ears to hold it compressed, and it was easy to
> install. After installation you just cut and remove the wire.
> I do not know if the need for that pre compressing was caused by my wrong
> installation, or if it is a standard thing, anyway, be careful because you
> might get into a troublesome project.
>
> Jerzy
> ------------------------------
> *From:* Galin Hernandez <galinhdz@gmail.com>
> *To:* kis-list@matronics.com
> *Sent:* Fri, April 16, 2010 7:14:42 PM
> *Subject:* Re: KIS-List: Re: check springs
>
> THANKS!
>
> On Fri, Apr 16, 2010 at 1:33 PM, Richard Trickel <
> richard_trickel@yahoo.com> wrote:
>
>> Galien
>> It is probably not the shock absorber that you here but the springs
>> themselves.. That absorber should last forever since it is for a car which
>> sees a little more action than an airplane will ever see. If you really
>> need to take it apart just remove the top nut and get the tail down to allow
>> the threaded area clear the upper bracket. remove the rubber donut and pull
>> the upper tube off to expose the springs.. Try greasing the springs which
>> rub on the tube, you will see the shock and can move it up and down to see
>> if it is good.
>> Rich
>>
>> --- On *Fri, 4/16/10, Galin Hernandez <galinhdz@gmail.com>* wrote:
>>
>>
>> From: Galin Hernandez <galinhdz@gmail.com>
>> Subject: Re: KIS-List: KIS TRI Nose Leg
>> To: kis-list@matronics.com
>> Date: Friday, April 16, 2010, 9:04 AM
>>
>> Sorry to hear the damage, but you are OK which is the important thing.
>> Use the round tube as Rich said and make a fiberglass fairing for it. You
>> can make the fairing to blend into the nose wheel pant. That is what we did
>> for my airplane and it looks very good. I posted pics on my website:
>>
>> http://puertoricoflyer.com/cgi-bin/photoalbum/view_album/191461
>>
>> Rich, How do you get the shock absorber out of the nose assembly on order
>> to check it. Mine squeaks a LOT as I taxi and it might need replacement.
>> Galin
>> N819PR
>> On Fri, Apr 16, 2010 at 7:42 AM, Richard Trickel <
>> richard_trickel@yahoo.com<http://us.mc1107.mail.yahoo.com/mc/compose?to=richard_trickel@yahoo.com>
>> > wrote:
>>
>>> Graham
>>> We later swiched to a round tube of 4130. If you can get some 2inch .095
>>> wall tube you could weld that in. The airfoit tube requires stiffiners and
>>> though better looking was not as strong as the round tube. |You cand build
>>> a fairing onto the tube with glass and foam.
>>> Rich
>>> Sorry to here about the mishape. Have you found the final cause?
>>>
>>> --- On *Thu, 4/15/10, Graham Brighton <gbrighton@skymesh.com.au<http://us.mc1107.mail.yahoo.com/mc/compose?to=gbrighton@skymesh.com.au>
>>> >* wrote:
>>>
>>>
>>> From: Graham Brighton <gbrighton@skymesh.com.au<http://us.mc1107.mail.yahoo.com/mc/compose?to=gbrighton@skymesh.com.au>
>>> >
>>> Subject: KIS-List: KIS TRI Nose Leg
>>> To: Kis-List@matronics.com<http://us.mc1107.mail.yahoo.com/mc/compose?to=Kis-List@matronics.com>
>>> Date: Thursday, April 15, 2010, 9:07 PM
>>>
>>> G'Day guys,
>>> Recently swapped out the Subaru engine (158hp )
>>> for a Zero time 195hp Subaru in my KIS TRI ... Have had over Temp Oil
>>> pressure probs ...but was thinking the engine was running in ok as Oil Temp
>>> were coming down ..
>>>
>>> However yesterday during another short test flt the Oil Pressure dropped
>>> ..and after an engine surge the engine quit dead ..
>>>
>>> Landed 50mtr short of the Runway ...Damage is ..one smashed Prop Blade
>>> and one Nose Gear leg ..
>>>
>>> So LOOKING to ask if anyone can give me a lead to a replacement nose gear
>>> Leg ..It has the Streamlined steel leg ... Even a lead onto the Streamlined
>>> profile steel supply would be great as i could remake the leg if i had a
>>> piece of the Streamlined Steel Stock .
>>>
>>> Any help would be great
>>>
>>> Graham Brighton
>>>
>>> gbrighton@skymesh.com.au<http://us.mc1107.mail.yahoo.com/mc/compose?to=gbrighton@skymesh.com.au>
>>>
>>> *
>>>
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>>> et=_blank <http://www.matronics.com/Navigator?KIS-Listet=_blank>>http://forums.matronics.com/
>>> llow target=_blank>http://www.matronics.com/contribution
>>> *
>>>
>>>
>>> *
>>>
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>>> _blank">http://www.matronics.com/contribution
>>> *
>>>
>>>
>> *
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