Date   

german mt prop translation

s_harren <s_harren@...>
 

The german word "senkrecht" does mean vertical. Only difference in the
german text is that it doesn't say "the most vertical position" it
only says "the vertical position"...
so long
Sebastian

--- In Q-LIST@yahoogroups.com, "David J. Gall" <David@...> wrote:

Anyone here read German? If so, is the word "vertical" in the English
translation below a correct interpretation of the meaning of the
original
German text?



5.3 Bei Propellern ohne Paßzapfen oder Indexsenkungen, Zündkerze

des dem Propeller am nächsten liegenden Zylinders entfernen und

Kurbelwelle drehen bis OT erreicht ist.

5.4 In dieser Stellung (gilt nur für 2-Blatt) Propeller mit den Blättern

senkrecht auf das Triebwerk stecken und Flanschbolzen bzw.

Stoppmuttern über Kreuz anziehen. U-Scheiben nicht vergessen.

Bei 3-Blatt und 4-Blatt Propellern ist, falls nicht anderweitig
vorgeschrieben,

keine besondere Stellung der Blätter zur Kurbelwelle erforderlich.

Paarweise mit 0,8 mm Draht sichern.



5.3 Propellers without index pins or drive bushing bores: remove the

spark plug from the cylinder nearest to the propeller and turn the

crankshaft until TDC is reached.

5.4 Install the propeller (applicable for 2-blade models, only) in this

crankshaft position with the blades in the most vertical direction.

Torque flange bolts or stop nuts crosswise two by two. Do not

forget the washers. Safety wire in pairs with 0.032" stainless steel.

The position of 3- or 4-blade propellers relative to the crankshaft is

not as critical, unless specifically required.



Thanks,

David J. Gall


Re: prop size?

David J. Gall
 

Anyone here read German? If so, is the word "vertical" in the English
translation below a correct interpretation of the meaning of the original
German text?



5.3 Bei Propellern ohne Paßzapfen oder Indexsenkungen, Zündkerze

des dem Propeller am nächsten liegenden Zylinders entfernen und

Kurbelwelle drehen bis OT erreicht ist.

5.4 In dieser Stellung (gilt nur für 2-Blatt) Propeller mit den Blättern

senkrecht auf das Triebwerk stecken und Flanschbolzen bzw.

Stoppmuttern über Kreuz anziehen. U-Scheiben nicht vergessen.

Bei 3-Blatt und 4-Blatt Propellern ist, falls nicht anderweitig
vorgeschrieben,

keine besondere Stellung der Blätter zur Kurbelwelle erforderlich.

Paarweise mit 0,8 mm Draht sichern.



5.3 Propellers without index pins or drive bushing bores: remove the

spark plug from the cylinder nearest to the propeller and turn the

crankshaft until TDC is reached.

5.4 Install the propeller (applicable for 2-blade models, only) in this

crankshaft position with the blades in the most vertical direction.

Torque flange bolts or stop nuts crosswise two by two. Do not

forget the washers. Safety wire in pairs with 0.032" stainless steel.

The position of 3- or 4-blade propellers relative to the crankshaft is

not as critical, unless specifically required.



Thanks,

David J. Gall




_____

From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com] On Behalf Of
MartinErni@aol.com
Sent: Tuesday, June 06, 2006 11:54 AM
To: Q-LIST@yahoogroups.com
Subject: Re: [Q-LIST] Re: prop size?



David,
I have a 2 blade electric constant speed MT.
Earnest

[Non-text portions of this message have been removed]


Re: prop size?

David J. Gall
 

Hey Ron,

I thought you did NOT want a wood prop. The MT prop is wood....


David J. Gall

-----Original Message-----
From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com]
On Behalf Of Ron Weiss
Sent: Tuesday, June 06, 2006 8:38 PM
To: Q-LIST@yahoogroups.com
Subject: [Q-LIST] Re: prop size?

---Hey Earnest,I've heard really scarry things about that MT
Prop! You should send it to me, I'll check it out for you!
Don't fret, I'll send you a Warp Drive to keep you going.
Remember, it's only your health I'm concerned about! RonIn
Q-LIST@yahoogroups.com, MartinErni@...
wrote:

David,
I have a 2 blade electric constant speed MT.
Earnest


Re: Spring Fling 06

REBECCA SIMPSON
 

Keith,

I too want to say thanks for hosting the flyin. Between graduations
Friday PM and the kids calling to say they were hit by a deer, our
time there was limited. Seeing you Quickie up close made the whole
effort worth it for me. I Borrowed that hi tech digital camera from
work, just wish I could work it. I set it up to record Sam's
presentation but it must have a built in timer as it shut off after
18 minutes. I did get about 70% of your inflight that I can send
either DVD's or MP4 files if anyone is interested. There is a few
good shots of your flight and the Q1 on the ground. Bits of Sam's
pieces and things I found interesting on the DF, Pulsar etc as well
as 311DM departing. If I can get the MP4 small enough, I will post it
to the files section. If anyone wants a 31 minute DVD with about 6
minutes of Q1 and a lot of broken or shaky bits, email me your
address direct and I will send them off snail mail. With Luck, I will
be flying in next year and be able to hold the camera still

Thanks again,
Tad Simpson




--- In Q-LIST@yahoogroups.com, "Keith Welsh" <kfly@...> wrote:

Thanks Jeff for coming:

Glad you enjoyed yourself and liked the burgers. Kinda sweated that
one at first, glad everyone liked em.
I received several compliments so I guess I'll fix them again. One
person asked about the local of the pig and it did come from the home
farm. I just grabbed a few boxes, said adios, and headed for the
airport.
Thanks for mentioning the airport, was wondering how it was
received. And glad you liked the Q1 demo. I have very few in flight
pix. If you have any could you send a few.

Oh and thanks for saving Sam's day. That was GREAT!! One never
knows what lays around the corner at these events.

Thanks again
Keith
----- Original Message -----
From: jeffs912ex@...
To: Q-LIST@yahoogroups.com
Sent: Monday, June 05, 2006 2:56 PM
Subject: Re: [Q-LIST] Spring Fling 06


Thanks Keith,
Did a great job. The burgers were excellent. Good choice for
airports, felt
welcomed by all. First time I saw a Q-1 perform, very cool! Nice
looking
machine too.

Jeff Sell






Quickie Builders Association WEB site
http://www.quickiebuilders.org





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[Non-text portions of this message have been removed]


Re: prop size?

Ron Weiss <ronweiss4@...>
 

---Hey Earnest,I've heard really scarry things about that MT Prop! You
should send it to me, I'll check it out for you! Don't fret, I'll send
you a Warp Drive to keep you going. Remember, it's only your health
I'm concerned about! RonIn Q-LIST@yahoogroups.com, MartinErni@...
wrote:


David,
I have a 2 blade electric constant speed MT.
Earnest


[Non-text portions of this message have been removed]


Re: prop size?

David J. Gall
 

Leon,

Why do you always send me scrambling for the books??! :)


David J. Gall



David;

With the offset thrust line (I assume a belt reduction with the 2/1 ratio
rather than planetary) is is possable that whirl mode resonance might also
be a problem and contribute to prop flutter even if properly "clocked"? I
have seen visable resonance of this type with some ultralight aircraft.
============
Leon


Re: Updated Q2 plans online....

Doug Humble <hawkidoug@...>
 

Nice job Dan!

Doug "Hawkeye" Humble
www.asignabove.net
Omaha NE
N25974

----- Original Message -----
From: olderprograms
To: Q-LIST@yahoogroups.com
Sent: Tuesday, June 06, 2006 11:52 AM
Subject: [Q-LIST] Updated Q2 plans online....


I fixed the Q2 plans posted on my blog so that they were easier to
navigate and search. The "Table of Contents" now has links to the
start of each of the 20 chapters, and I added "next - previous - Return
to Table of Contents" buttons at the top of each page.

Hopefully this will make it easier look through them. Let me know if
you have any ideas or suggestions. More to come soon!

You can visit the Q2 plans directly by clicking here:

http://www.quickheads.com/danyager/index.php?/categories/4-Q2-Plans

Let me know what you think.

Cheers,
Dan
Q2 kit # 2025


Re: prop size?

David J. Gall
 

Earnest,

Could it be a bad translation from the German? I checked the installation
instructions on the MT-props website and I could find no reference such as
you describe for their fixed-pitch two-blade prop.
http://www.mt-propeller.com/pdf/manuals/e-112.pdf.


David J. Gall


_____

From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com] On Behalf Of
MartinErni@aol.com
Sent: Tuesday, June 06, 2006 8:25 AM
To: Q-LIST@yahoogroups.com
Subject: Re: [Q-LIST] Re: prop size?



David,
I have always mounted my props as you describe until I got my MT. MT
installation instructions specifically state that the prop is to be mounted
vertically at TDC. Any idea why they do it differently?
Earnest


Re: prop size?

Ron Weiss <ronweiss4@...>
 

-Thanks Jon, Any info helps! Ron-- In Q-LIST@yahoogroups.com, "Jon
Finley" <jon@...> wrote:

Hi Ron,

Afraid I don't check messages here very often so missed your call
for
help.

Yes, I am in the middle of moving to an airpark (Yippee!!!) near
Albuquerque, NM so my site is down.

As you have already found, you won't find much help out there for
prop
setup on the Soob. It can be very frustrating but remember that
the
fun is typically in the journey and not just the destination.

I am running a 55" 3-blade Warp Drive that had the blades profiled
for
high-rpm use by Gary Hunter - remember, I am direct-drive.
Currently,
the blades are set at 14 degrees. I do not think this prop is very
efficient but that is purely a gut feeling - I have no data to
back it
up. However; it is very adjustable and that is the reason that I'm
using it.

Do to my low thrust line, 55" was the maximum that I could get away
with. Depending on your reduction, you might be able to use a
slightly longer prop. In any case, you will likely be limited to
less
than 60".

With my Soob, an in-flight adjustable prop would be the cat's meow.
They are a bit too spendy for my checkbook though.

Not terribly helpful... Sorry, wish I had a solid answer for you.

Jon Finley





----- Original Message -----
From: Ron Weiss
To: Q-LIST@yahoogroups.com
Sent: Thursday, June 01, 2006 8:39 PM
Subject: [Q-LIST] prop size?


Does anyone have a suggested size prop I should
run
on
a
Subaru
EJ 22,
165hp. at 5500rpm. 2 to 1 reduction. No pure
wood
props
please....Ron


Re: prop size?

Ron Weiss <ronweiss4@...>
 

-Thanks Jon, Any info helps! Ron-- In Q-LIST@yahoogroups.com, "Jon
Finley" <jon@...> wrote:

Hi Ron,

Afraid I don't check messages here very often so missed your call
for
help.

Yes, I am in the middle of moving to an airpark (Yippee!!!) near
Albuquerque, NM so my site is down.

As you have already found, you won't find much help out there for
prop
setup on the Soob. It can be very frustrating but remember that
the
fun is typically in the journey and not just the destination.

I am running a 55" 3-blade Warp Drive that had the blades profiled
for
high-rpm use by Gary Hunter - remember, I am direct-drive.
Currently,
the blades are set at 14 degrees. I do not think this prop is very
efficient but that is purely a gut feeling - I have no data to
back it
up. However; it is very adjustable and that is the reason that I'm
using it.

Do to my low thrust line, 55" was the maximum that I could get away
with. Depending on your reduction, you might be able to use a
slightly longer prop. In any case, you will likely be limited to
less
than 60".

With my Soob, an in-flight adjustable prop would be the cat's meow.
They are a bit too spendy for my checkbook though.

Not terribly helpful... Sorry, wish I had a solid answer for you.

Jon Finley





----- Original Message -----
From: Ron Weiss
To: Q-LIST@yahoogroups.com
Sent: Thursday, June 01, 2006 8:39 PM
Subject: [Q-LIST] prop size?


Does anyone have a suggested size prop I should
run
on
a
Subaru
EJ 22,
165hp. at 5500rpm. 2 to 1 reduction. No pure
wood
props
please....Ron


Re: Updated Q2 plans online....

Steve Ham <sham@...>
 

Dan,

Nice job putting all of this together. Looks like a lot of time and work.



Steve Ham

-----Original Message-----
From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com] On Behalf Of
olderprograms
Sent: Tuesday, June 06, 2006 12:52 PM
To: Q-LIST@yahoogroups.com
Subject: [Q-LIST] Updated Q2 plans online....



I fixed the Q2 plans posted on my blog so that they were easier to
navigate and search. The "Table of Contents" now has links to the
start of each of the 20 chapters, and I added "next - previous - Return
to Table of Contents" buttons at the top of each page.

Hopefully this will make it easier look through them. Let me know if
you have any ideas or suggestions. More to come soon!

You can visit the Q2 plans directly by clicking here:

http://www.quickhea
<http://www.quickheads.com/danyager/index.php?/categories/4-Q2-Plans>
ds.com/danyager/index.php?/categories/4-Q2-Plans

Let me know what you think.

Cheers,
Dan
Q2 kit # 2025


Updated Q2 plans online....

olderprograms <groups@...>
 

I fixed the Q2 plans posted on my blog so that they were easier to
navigate and search. The "Table of Contents" now has links to the
start of each of the 20 chapters, and I added "next - previous - Return
to Table of Contents" buttons at the top of each page.

Hopefully this will make it easier look through them. Let me know if
you have any ideas or suggestions. More to come soon!

You can visit the Q2 plans directly by clicking here:

http://www.quickheads.com/danyager/index.php?/categories/4-Q2-Plans

Let me know what you think.

Cheers,
Dan
Q2 kit # 2025


Re: prop size?

Jay <scheevel@...>
 

Ron Weiss wrote:



"...because all the info I can get is that some reduction units don't

like 2 bladed wood props(harmonic issues). One guy used a Prince and

liked the performance, but, there was this vibration?...."



It sounds like the problem may not be the prop by itself. I would look
instead at the prop/reduction drive combination. The two components together
may produce the harmonic vibration that is noted. Let me explain:



If the reduction drive assembly is not stiff enough, then it also can
contribute to the harmonics of the system. The prop itself is not designed
to be completely stiff (nor should it be), but props are designed and
balanced so as not to destructively resonate on their own.



However, when a prop is bolted to another assembly that is not stiff enough,
the elastic/inertial response of the combination could produce unanticipated
harmonic oscillations.



In the traditional aircraft installation, the prop is bolted to the
crankshaft (prop-flange), which is VERY stiff and is also dampened by the
engine mass. In this case, the harmonic modes of the prop/engine combination
are outside the range of any prop oscillation modes, so significant harmonic
oscillations are effectively damped. This may not be the case when the prop
is connected to a reduction drive where the reduction drive is less stiff
than the standard crankshaft.



This is probably part of the reason the FAA certifies prop-engine
combinations instead of just the prop.



Something to consider..



Jay Scheevel - Tri-Q, still building


Re: prop size?

Steve Ham <sham@...>
 

-----Original Message-----
From: Q-LIST@yahoogroups.com [mailto:Q-LIST@yahoogroups.com] On Behalf Of
Jon Finley
Sent: Tuesday, June 06, 2006 9:10 AM
To: Q-LIST@yahoogroups.com
Subject: [Q-LIST] Re: prop size?







Jon, What Did you do ??? give up The Great North for some sunshine and
sand???__Are you keeping your Q?



Steve Ham









._,_.___

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Re: prop size?

MartinErni@...
 

David,
I have a 2 blade electric constant speed MT.
Earnest


Re: prop size?

Doug Humble <hawkidoug@...>
 

Hey Jon Finley, nice to hear from you! I sent an email to you off list and it got bounced as I thought it might. Please email me off list at HawkiDoug@cox.net if you would please.

Doug "Hawkeye" Humble
www.asignabove.net
Omaha NE
N25974

----- Original Message -----
From: Jon Finley
To: Q-LIST@yahoogroups.com
Sent: Tuesday, June 06, 2006 8:09 AM
Subject: [Q-LIST] Re: prop size?


Hi Ron,

Afraid I don't check messages here very often so missed your call for
help.

Yes, I am in the middle of moving to an airpark (Yippee!!!) near
Albuquerque, NM so my site is down.

As you have already found, you won't find much help out there for prop
setup on the Soob. It can be very frustrating but remember that the
fun is typically in the journey and not just the destination.

I am running a 55" 3-blade Warp Drive that had the blades profiled for
high-rpm use by Gary Hunter - remember, I am direct-drive. Currently,
the blades are set at 14 degrees. I do not think this prop is very
efficient but that is purely a gut feeling - I have no data to back it
up. However; it is very adjustable and that is the reason that I'm
using it.

Do to my low thrust line, 55" was the maximum that I could get away
with. Depending on your reduction, you might be able to use a
slightly longer prop. In any case, you will likely be limited to less
than 60".

With my Soob, an in-flight adjustable prop would be the cat's meow.
They are a bit too spendy for my checkbook though.

Not terribly helpful... Sorry, wish I had a solid answer for you.

Jon Finley

> > > > > > > > ----- Original Message -----
> > > > > > > > From: Ron Weiss
> > > > > > > > To: Q-LIST@yahoogroups.com
> > > > > > > > Sent: Thursday, June 01, 2006 8:39 PM
> > > > > > > > Subject: [Q-LIST] prop size?
> > > > > > > >
> > > > > > > >
> > > > > > > > Does anyone have a suggested size prop I should run
> on
> > a
> > > > > Subaru
> > > > > > > EJ 22,
> > > > > > > > 165hp. at 5500rpm. 2 to 1 reduction. No pure wood
> > props
> > > > > > > please....Ron


Re: Spring Fling 06

Tri-Q1 <rryan@...>
 

Keith, Would you give us a complete description of your Q1's demo
flight ?

Ryan

--- In Q-LIST@yahoogroups.com, "Keith Welsh" <kfly@...> wrote:

Everyone there was very appreciative that they were able to see and
experience all they came for and no one left disappointed. And that is
always the primary objective. Heck I even gave my best ever Q-1 flight
demo. A few commented that they didn't know an Onan Quickie could do
all that. In experienced hands it can be demoed impressively. The
secret is knowing that gravity can be used as an amassing airspeed
builder when needed. Of course with only 20hp it bleeds off quickly
when the maneuver begins but starting at 140 mph at full throttle buys
allot of time to demonstrate a Quickie.

For the Spring Fling 2006
Keith Welsh
Quickie N494K


Re: prop size?

Leon - C <leon@...>
 

David;

With the offset thrust line (I assume a belt reduction with the 2/1 ratio rather than planetary) is is possable that whirl mode resonance might also be a problem and contribute to prop flutter even if properly "clocked"? I have seen visable resonance of this type with some ultralight aircraft.
============
Leon

The spreadsheet Leon tried to send you is located here:
http://david.gall.com/files/Airplane/Prop-100.xls.
It is based on NACA Technical Memorandum 212. It should be sufficient to get
you "into the ballpark" for your propeller selection. It can recommend pitch
and diameter for either a two- or a three-bladed prop.

Your reported propeller failures sound like resonance problems. With a 2:1
reduction, the propeller is in lock-step with the vibration of the engine
from the power pulses. <<


Re: prop size?

Jon Finley <jon@...>
 

Hi Ron,

Afraid I don't check messages here very often so missed your call for
help.

Yes, I am in the middle of moving to an airpark (Yippee!!!) near
Albuquerque, NM so my site is down.

As you have already found, you won't find much help out there for prop
setup on the Soob. It can be very frustrating but remember that the
fun is typically in the journey and not just the destination.

I am running a 55" 3-blade Warp Drive that had the blades profiled for
high-rpm use by Gary Hunter - remember, I am direct-drive. Currently,
the blades are set at 14 degrees. I do not think this prop is very
efficient but that is purely a gut feeling - I have no data to back it
up. However; it is very adjustable and that is the reason that I'm
using it.

Do to my low thrust line, 55" was the maximum that I could get away
with. Depending on your reduction, you might be able to use a
slightly longer prop. In any case, you will likely be limited to less
than 60".

With my Soob, an in-flight adjustable prop would be the cat's meow.
They are a bit too spendy for my checkbook though.

Not terribly helpful... Sorry, wish I had a solid answer for you.

Jon Finley

----- Original Message -----
From: Ron Weiss
To: Q-LIST@yahoogroups.com
Sent: Thursday, June 01, 2006 8:39 PM
Subject: [Q-LIST] prop size?


Does anyone have a suggested size prop I should run
on
a
Subaru
EJ 22,
165hp. at 5500rpm. 2 to 1 reduction. No pure wood
props
please....Ron


Re: prop size?

MartinErni@...
 

David,
I have always mounted my props as you describe until I got my MT. MT
installation instructions specifically state that the prop is to be mounted
vertically at TDC. Any idea why they do it differently?
Earnest