Today's Message Index:
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1. 01:08 AM - Re: Mono Rubber block height (Area-51)
2. 08:03 AM - Re: Mono Rubber block height (Erich Trombley)
3. 09:16 AM - Re: Re: Mono Rubber block height (Peter Z)
4. 09:59 AM - Re: Mono Rubber block height (rparigoris)
5. 06:12 PM - Re: Mono Rubber block height (dmac7)
Message 1
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| Subject: | Re: Mono Rubber block height |
After 800 landings 181 undercarriage measures 3.0" between LG-05 plates, under
load, tail down, BEW 325kg.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=515320#515320
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http://forums.matronics.com//files/93ee7544_f9b5_476c_8c77_1ba25b49342c_149.jpeg
Message 2
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| Subject: | Re: Mono Rubber block height |
Ron,
The build manual specifies a distance of 79 mm (3.1 ) between the plates. This
is a critical dimension as it can affect the operation of the landing gear.
It also dictates the amount of over-center on the LG08 legs and the corresponding
horizontal load transferred to the stops on the frame, especially durning
landing. Finally, the dimension also affects prop clearance, which isnt all that
great with the block set to spec.
As my rubber block compressed over time I made up the difference with spacers made
from black ABS. I started with a 0.25 spacers some years ago. I now have
three spacers installed making up a gap of approximately 0.73. The new spacers
are made from 6mm thick material, although it was sold as 1/4 thick sheet.
So, my rubber block is close to the same dimension as yours.
Erich Trombley
N28ET
Classic Monowheel 914
Message 3
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| Subject: | Re: Mono Rubber block height |
Great info Erich!
I have been thinking of doing the same.
Do you disassemble? Or do you use half plates around the shocks?
Any pics?thx!
PeteZ
> On Mar 19, 2025, at 11:11AM, Erich Trombley <erichdtrombley@juno.com> wrote:
>
>
> Ron,
>
> The build manual specifies a distance of 79 mm (3.1 ) between the plates. This
is a critical dimension as it can affect the operation of the landing gear.
It also dictates the amount of over-center on the LG08 legs and the corresponding
horizontal load transferred to the stops on the frame, especially durning
landing. Finally, the dimension also affects prop clearance, which isnt all
that great with the block set to spec.
>
> As my rubber block compressed over time I made up the difference with spacers
made from black ABS. I started with a 0.25 spacers some years ago. I now have
three spacers installed making up a gap of approximately 0.73. The new spacers
are made from 6mm thick material, although it was sold as 1/4 thick sheet.
>
> So, my rubber block is close to the same dimension as yours.
>
> Erich Trombley
> N28ET
> Classic Monowheel 914
>
>
>
>
Message 4
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| Subject: | Re: Mono Rubber block height |
Hi Erich
Thank you for reply.
Did you shoot for 3" gap when adding spacers or 3.1"?
Ron P.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=515323#515323
Message 5
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| Subject: | Re: Mono Rubber block height |
I measured my XS Mono 914/Airmaster suspension block in the garage no wings on
it and it is 2 11/16" between plates. This includes a 3/16" plywood shim. Yes
it supposed to be 3.1" but that is no load. If one goes back and reads the old
Factory Flyer's, Ivan mentioned putting a 1/4" shim in one of the factory Europa's,
G-ELSA if I recall. I did purchase a new suspension block from Swift
but it's on standby for now, I'll put it in later.
I thought the block was made from some type of poly?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=515324#515324
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