Today's Message Index:
----------------------
1. 02:29 AM - Re: run up on the trailer (Raimo Toivio)
2. 02:40 AM - Re: run up on the trailer (David Joyce)
3. 02:44 AM - Re: run up on the trailer (David Joyce)
4. 03:30 PM - Re: Undercarriage Overcentre Locking (Graeme Smith)
Message 1
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Subject: | Re: run up on the trailer |
Thanks David,
that looks clear. Europa towed
by Jaguar is a stylish combination!
Did you use some traps through a
spar tunnel to make extra support?
Raimo
===
do not archive
----- Original Message -----
From: "David Joyce" <davidjoyce@doctors.org.uk>
Sent: Friday, February 23, 2007 6:42 PM
Subject: Re: Europa-List: run up on the trailer
> Raimo, I did my engine runs that way including full power tests. No
> problems. Picture attached. David Joyce
> ----- Original Message -----
> From: "Raimo Toivio" <raimo.toivio@rwm.fi>
> To: <europa-list@matronics.com>
> Sent: Friday, February 23, 2007 3:48 PM
> Subject: Europa-List: run up on the trailer
>
>
>>
>> Those who know:
>>
>> is it possible to run up an engine
>> when the plane is on the trailer
>> and do it safely?
>>
>> I have a monowheel Europa
>> and an original Europa trailer
>> with the optional side supporters.
>> The trailer is fixed with a car and
>> the tailwheel is fixed with the trailer.
>> The wings will be derigged.
>>
>> Just wonder is it too hard for the main
>> gear because of the prop torque?
>> My purpose is just to make it idle,
>> no full power at all.
>>
>> Thanks, Raimo
>> ==========
>>
>> Raimo M W Toivio
>>
>> OH-XRT Europa XS Mono #417, completed
>> OH-CVK C172 Skyhawk, under reinterioring
>> OH-BLL Beechcraft C45, w radial engines (grounded)
>>
>> 37500 Lempaala
>> Finland
>> tel + 358 3 3753 777
>> fax + 358 3 3753 100
>> gsm + 358 40 590 1450
>>
>> raimo.toivio@rwm.fi
>> www.rwm.fi
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
Message 2
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Subject: | Re: run up on the trailer |
Raimo, Yes but in retrospect I don't think it was necessary. David
----- Original Message -----
From: "Raimo Toivio" <raimo.toivio@rwm-systems.fi>
Sent: Saturday, February 24, 2007 10:28 AM
Subject: Re: Europa-List: run up on the trailer
<raimo.toivio@rwm-systems.fi>
>
> Thanks David,
>
> that looks clear. Europa towed
> by Jaguar is a stylish combination!
> Did you use some traps through a
> spar tunnel to make extra support?
>
> Raimo
> ===
>
> do not archive
>
> ----- Original Message -----
> From: "David Joyce" <davidjoyce@doctors.org.uk>
> To: <europa-list@matronics.com>
> Sent: Friday, February 23, 2007 6:42 PM
> Subject: Re: Europa-List: run up on the trailer
>
>
> > Raimo, I did my engine runs that way including full power tests. No
> > problems. Picture attached. David Joyce
> > ----- Original Message -----
> > From: "Raimo Toivio" <raimo.toivio@rwm.fi>
> > To: <europa-list@matronics.com>
> > Sent: Friday, February 23, 2007 3:48 PM
> > Subject: Europa-List: run up on the trailer
> >
> >
> >>
> >> Those who know:
> >>
> >> is it possible to run up an engine
> >> when the plane is on the trailer
> >> and do it safely?
> >>
> >> I have a monowheel Europa
> >> and an original Europa trailer
> >> with the optional side supporters.
> >> The trailer is fixed with a car and
> >> the tailwheel is fixed with the trailer.
> >> The wings will be derigged.
> >>
> >> Just wonder is it too hard for the main
> >> gear because of the prop torque?
> >> My purpose is just to make it idle,
> >> no full power at all.
> >>
> >> Thanks, Raimo
> >> ==========
> >>
> >> Raimo M W Toivio
> >>
> >> OH-XRT Europa XS Mono #417, completed
> >> OH-CVK C172 Skyhawk, under reinterioring
> >> OH-BLL Beechcraft C45, w radial engines (grounded)
> >>
> >> 37500 Lempaala
> >> Finland
> >> tel + 358 3 3753 777
> >> fax + 358 3 3753 100
> >> gsm + 358 40 590 1450
> >>
> >> raimo.toivio@rwm.fi
> >> www.rwm.fi
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
>
>
Message 3
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Subject: | Re: run up on the trailer |
Carl, The prop was over grass, the axis of the plane was horizontal so prop
wash not actually hitting gravel - no problem. Still driving the same car 4
yrs later! Regards, David
----- Original Message -----
From: "Carl Pattinson" <carl@flyers.freeserve.co.uk>
Sent: Friday, February 23, 2007 5:26 PM
Subject: Re: Europa-List: run up on the trailer
<carl@flyers.freeserve.co.uk>
>
> David,
>
> I see you have hitched the trailer to to your car but on a "gravel
> driveway".
>
> Was there any paintwork left on the vehicle afterwards?
>
> ----- Original Message -----
> From: "David Joyce" <davidjoyce@doctors.org.uk>
> To: <europa-list@matronics.com>
> Sent: Friday, February 23, 2007 4:42 PM
> Subject: Re: Europa-List: run up on the trailer
>
>
> > Raimo, I did my engine runs that way including full power tests. No
> > problems. Picture attached. David Joyce
> > ----- Original Message -----
> > From: "Raimo Toivio" <raimo.toivio@rwm.fi>
> > To: <europa-list@matronics.com>
> > Sent: Friday, February 23, 2007 3:48 PM
> > Subject: Europa-List: run up on the trailer
> >
> >
> >>
> >> Those who know:
> >>
> >> is it possible to run up an engine
> >> when the plane is on the trailer
> >> and do it safely?
> >>
> >> I have a monowheel Europa
> >> and an original Europa trailer
> >> with the optional side supporters.
> >> The trailer is fixed with a car and
> >> the tailwheel is fixed with the trailer.
> >> The wings will be derigged.
> >>
> >> Just wonder is it too hard for the main
> >> gear because of the prop torque?
> >> My purpose is just to make it idle,
> >> no full power at all.
> >>
> >> Thanks, Raimo
> >> ==========
> >>
> >> Raimo M W Toivio
> >>
> >> OH-XRT Europa XS Mono #417, completed
> >> OH-CVK C172 Skyhawk, under reinterioring
> >> OH-BLL Beechcraft C45, w radial engines (grounded)
> >>
> >> 37500 Lempaala
> >> Finland
> >> tel + 358 3 3753 777
> >> fax + 358 3 3753 100
> >> gsm + 358 40 590 1450
> >>
> >> raimo.toivio@rwm.fi
> >> www.rwm.fi
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
>
>
Message 4
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Subject: | Undercarriage Overcentre Locking |
Paul,
Sorry to hear that. I considered the same solution, but have the impression
that nose gear collapses are almost as common as mono collapses??
Graeme
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Paul Boulet
Sent: 24 February 2007 05:59
Subject: Re: Europa-List: Undercarriage Overcentre Locking
For what it's worth, I had the same exact experience. My solution was to
convert to Tri Gear. Frustrating and expensive indeed
Paul Boulet N914PB
----- Original Message ----
From: Graeme Smith <gcsmith@flyer.co.uk>
Sent: Friday, February 23, 2007 2:26:29 PM
Subject: Europa-List: Undercarriage Overcentre Locking
Greetings,
Having suffered an undercarriage collapse during the takeoff roll on my
monowheel, I am now pondering what corrective actions to take to prevent a
re-ocurrence. As far as I can figure out, the overcentre locking went 'under
centre' when the aircraft went over a large 'ski-jump undulation' at just
below flying speed on takeoff from a grass strip. Having spent a lot of time
and money cleaning up the mess and fitting a new prop etc, I'm reluctant to
go flying again, even if I confine my operations to an absolutely
glass-smooth runway, until I understand why it happened in the first place
and have some degree of confidence that it won't happen again.
I've looked for any possible 'builder variations' in this area to see if
there is anything that I could have screwed up, but it seems that the
geometry in this area is totally determined by the manufacture of the
landing gear frame and the u/c components, what's more, this area has been
rigorously inspected on several occasions by some very fastidious
inspectors. (although my landing gear frame was modified in the factory to
add reinforcing following some very early landing frame failures, it's
possible that the geometry was affected during this mod). Are any other mono
owners aware of the amount of overcentre on their installations, it would be
interesting to see if there is much variation.
On my aircraft, the degree of overcentre in the 'down and locked' position
is 1/64 of hardly anything at all, (i.e. very small) and it occurs to me
that shaving a few mm off the stops on the landing gear frame would be a
good way of increasing the security of the overcentre locking.
Question: has anyone tried this? Can anyone think of a reason why not?
Regards,
Graeme Smith
No 26
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