Today's Message Index:
----------------------
1. 04:05 AM - Re: Is a CHT gauge necessary, or just nice? ()
2. 04:21 AM - Hoe saw (lshutks@webtv.net (Leon Stefan))
3. 05:06 AM - Re Rudder/TaFor riggingilwheel cables (Graham and Robyn)
4. 05:18 AM - Re: Re Rudder/TaFor riggingilwheel cables ()
5. 07:55 AM - Re: Riblett and performance (Ed G.)
6. 08:01 AM - Tail attachment (santiago morete)
7. 08:31 AM - Re: Is a CHT gauge necessary, or just nice? (Jonathan Scholl)
8. 08:34 AM - Re: Is a CHT gauge necessary, or just nice? ()
9. 09:08 AM - Re: Hoe saw (Steve Glass)
10. 10:02 AM - Re: Riblett and performance (Tim Willis)
11. 12:53 PM - lowell frank's stats (Douwe Blumberg)
12. 01:57 PM - Re: lowell frank's stats (Tim Willis)
13. 02:13 PM - Re: lowell frank's stats (Charles Tracy)
14. 02:19 PM - Re: lowell frank's stats (Roman Bukolt)
Message 1
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| Subject: | Is a CHT gauge necessary, or just nice? |
I'm putting one on my Franklin soon but I'm not sure which cylinder to
put it on.I'm only using one temperature gauge.
________________________________
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Ken
Chambers
Sent: April 19, 2007 5:26 PM
Subject: Pietenpol-List: Is a CHT gauge necessary, or just nice?
OK, I've finally got a little money and I'm putting my instrument panel
together. For the engine, I figure the oil pressure and temp gauges are
essential. And of course the tach. But I'm wondering if you veteran A-65
pilots like to keep tabs on the cylinder head temp? My mentor (my Dad)
says he never had much use for one, but it seems like it might come in
handy.
Also, anyone have experience cutting the holes with a common hole saw?
Does that work, if you back up the plywood, or does it chew up the
backside anyway? Maybe a fly cutter is the way to go?
Thanks in advance
Ken, making slow progress in Austin, Texas
Message 2
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I've had good luck with a hole saw by backing the work with a wood
block. Also you can start your hole from one side, then finish it from
the other side. that works well when free hading with a hand drill. Fly
cutters are great but only in a drill press. Leon S. In Ks. wishing I
were in Fl.
Message 3
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| Subject: | Re Rudder/TaFor riggingilwheel cables |
For rigging tail wheel steering cables, what are your views, to avoid
excess weight; instead of running cables all
the way from the rear rudder pedals to the tail wheel, what about
splicing by Nico Press the tail wheel cables to the rudder cables just
before they exit the side of the fuse?
Would this cause any side loads on the rudder cable with possible lost
motion?
Thanks Graham Hewitt
Message 4
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| Subject: | Re Rudder/TaFor riggingilwheel cables |
I don't think so if you include the springs with the connection at the
back on the tail wheel butterfly connection. It may make it feel heavier
in flight to move the rudder but still doable as long as the springs
aren't too tight or heavy duty..
________________________________
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Graham
and Robyn
Sent: April 20, 2007 7:06 AM
Subject: Pietenpol-List: Re Rudder/TaFor riggingilwheel cables
For rigging tail wheel steering cables, what are your views, to avoid
excess weight; instead of running cables all
the way from the rear rudder pedals to the tail wheel, what about
splicing by Nico Press the tail wheel cables to the rudder cables just
before they exit the side of the fuse?
Would this cause any side loads on the rudder cable with possible lost
motion?
Thanks Graham Hewitt
Message 5
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| Subject: | Re: Riblett and performance |
If you saw Lowell's prop you would instantly realize that there is no
compareing his Warner to a Corvair. His prop made me take a double take up
at Brodhead a couple years ago. I don't know how long it is but it's longer
than the normal 72"s and the blades are about 8"to 10" wide if I remember
right. His Warner must put out gobbs of torque which makes the compareing of
his wing's his climb performance to a Piet wing foil apples and oranges.
Ed G. Sun N Fun was great yesterday!
>From: "Roman Bukolt" <conceptmodels@tds.net>
>To: <pietenpol-list@matronics.com>
>Subject: Re: Pietenpol-List: Riblett and performance
>Date: Wed, 18 Apr 2007 22:03:07 -0500
>
><conceptmodels@tds.net>
>
>Roger, Wilco, and Out!
>
>Roman
>Do not archive
>----- Original Message ----- From: "Tim Willis"
><timothywillis@earthlink.net>
>To: <pietenpol-list@matronics.com>
>Sent: Wednesday, April 18, 2007 2:28 PM
>Subject: Re: Pietenpol-List: Riblett and performance
>
>
>><timothywillis@earthlink.net>
>>
>>Roman,
>>Thanks for the quick reply. His radial should be comparable in power to a
>>Corvair, then, and that might allow a good comparison to a Corvair with a
>>BP-10 foil. Of course, the torque curves could be quite different. Your
>>project when finished will be a better metric.
>>
>>How about asking Lowell if he had a Piet airfoil on it first, and if he
>>has any comparative data?
>>
>>Tim in central TX
>>
>>-----Original Message-----
>>>From: Roman Bukolt <conceptmodels@tds.net>
>>>Sent: Apr 18, 2007 1:09 PM
>>>To: pietenpol-list@matronics.com
>>>Subject: Re: Pietenpol-List: Riblett and performance
>>>
>>><conceptmodels@tds.net>
>>>
>>>I'll have a Riblett on my corvair Piet when it's finished, one day in the
>>>future.
>>>The radial on Lowell's plane isn't a Warner. I don't recall what it is.
>>>I
>>>do know that it is a 90hp.
>>>I also know that when I saw it take off, the pilot didn't even go to full
>>>throttle.
>>>Other than that, If I remember right, Lowell did fly that same plane and
>>>cengine with a Piet airfoil, but I may be mistaken.
>>>
>>>But as Chucky says, ya gotta admit, with the Piet you can drop'm in a
>>>pretty
>>>small airpatch. Ever see films of a goony bird land? Its like that.
>>>PLOP!
>>>I'd be fun to watch a Piet land with Tundra tires! Boing! Boing!
>>>boing!
>>>etc. etc.etc.
>>>
>>>Roman Bukolt
>>>
>>
>>
>>
>>
>>
>
>
Message 6
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I have seen in the archives a question about the attachment of the horizontal stab
to the fuselage (from Rick Holland) that intererst me, and since it doesn't
have an answer I will post it again.
The two bottom fittings are attached to each other with two
horizontal bolts through the fuselage tailpost, however the fuselage
sides are angled. Did you guys makes 4 wedged shaped washers out of
something so the bolt head and nut seat flat or add 2 wood wedges for
the fittings to sit on?
I will use bolts, no rivets.
Another question, I have seen Piets with the horizontal stab bolted at the leading
edge, main spar or both. I plan to bolt it trough the main beam. What would
be recommendable? Thanks
Saludos
Santiago
---------------------------------
Pregunt. Respond. Descubr.
Todo lo que queras saber, y lo que ni imaginabas,
est en Yahoo! Respuestas (Beta).
Message 7
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| Subject: | Is a CHT gauge necessary, or just nice? |
just try to pick the cyl with least airflow. Typically a rear one! Often found
on number 3.
harvey.rule@bell.ca wrote:
v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}
st1\:*{behavior:url(#default#ieooui) } Im putting one on my
Franklin soon but Im not sure which cylinder to put it on.Im only using one temperature
gauge.
---------------------------------
From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Ken Chambers
Sent: April 19, 2007 5:26 PM
Subject: Pietenpol-List: Is a CHT gauge necessary, or just nice?
OK, I've finally got a little money and I'm putting my instrument panel together.
For the engine, I figure the oil pressure and temp gauges are essential. And
of course the tach. But I'm wondering if you veteran A-65 pilots like to keep
tabs on the cylinder head temp? My mentor (my Dad) says he never had much use
for one, but it seems like it might come in handy.
Also, anyone have experience cutting the holes with a common hole saw? Does that
work, if you back up the plywood, or does it chew up the backside anyway? Maybe
a fly cutter is the way to go?
Thanks in advance
Ken, making slow progress in Austin, Texas
http://www.matronics.com/Navigator?Pietenpol-List
http://forums.matronics.com
Message 8
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| Subject: | Is a CHT gauge necessary, or just nice? |
Thanks,I'll try that one.
________________________________
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jonathan
Scholl
Sent: April 20, 2007 11:30 AM
Subject: RE: Pietenpol-List: Is a CHT gauge necessary, or just nice?
just try to pick the cyl with least airflow. Typically a rear one!
Often found on number 3.
Message 9
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I to would rather cut with a hole saw than a flycutter. The hole is not as
crisp but the cut is safer and more controllable.
"HOE saw" careful look what happened to Imus.
Steve in Maine
>From: lshutks@webtv.net (Leon Stefan)
>To: pietenpol-list@matronics.com
>Subject: Pietenpol-List: Hoe saw
>Date: Fri, 20 Apr 2007 06:21:25 -0500
>
>
>I've had good luck with a hole saw by backing the work with a wood
>block. Also you can start your hole from one side, then finish it from
>the other side. that works well when free hading with a hand drill. Fly
>cutters are great but only in a drill press. Leon S. In Ks. wishing I
>were in Fl.
>
>
_________________________________________________________________
Download Messenger. Join the im Initiative. Help make a difference today.
http://im.live.com/messenger/im/home/?source=TAGHM_APR07
Message 10
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| Subject: | Re: Riblett and performance |
It sounds like we should hope that Lowell at one time merely changed his wing and
left his engine alone, for at least a short period of apples-to-apples comparison
among his many iterations.
Otherwise, I am very impressed with his many adaptations of his Piet. This last
one with that prop and engine sounds like a STOL. BP himself would have loved
to see that one.
Tim in central TX
-----Original Message-----
>From: "Ed G." <flyboy_120@hotmail.com>
>Sent: Apr 20, 2007 8:54 AM
>To: pietenpol-list@matronics.com
>Subject: Re: Pietenpol-List: Riblett and performance
>
>
>
>If you saw Lowell's prop you would instantly realize that there is no
>compareing his Warner to a Corvair. His prop made me take a double take up
>at Brodhead a couple years ago. I don't know how long it is but it's longer
>than the normal 72"s and the blades are about 8"to 10" wide if I remember
>right. His Warner must put out gobbs of torque which makes the compareing of
>his wing's his climb performance to a Piet wing foil apples and oranges.
>Ed G. Sun N Fun was great yesterday!
>
>
>>From: "Roman Bukolt" <conceptmodels@tds.net>
>>To: <pietenpol-list@matronics.com>
>>Subject: Re: Pietenpol-List: Riblett and performance
>>Date: Wed, 18 Apr 2007 22:03:07 -0500
>>
>><conceptmodels@tds.net>
>>
>>Roger, Wilco, and Out!
>>
>>Roman
>>Do not archive
>>----- Original Message ----- From: "Tim Willis"
>><timothywillis@earthlink.net>
>>To: <pietenpol-list@matronics.com>
>>Sent: Wednesday, April 18, 2007 2:28 PM
>>Subject: Re: Pietenpol-List: Riblett and performance
>>
>>
>>><timothywillis@earthlink.net>
>>>
>>>Roman,
>>>Thanks for the quick reply. His radial should be comparable in power to a
>>>Corvair, then, and that might allow a good comparison to a Corvair with a
>>>BP-10 foil. Of course, the torque curves could be quite different. Your
>>>project when finished will be a better metric.
>>>
>>>How about asking Lowell if he had a Piet airfoil on it first, and if he
>>>has any comparative data?
>>>
>>>Tim in central TX
>>>
>>>-----Original Message-----
>>>>From: Roman Bukolt <conceptmodels@tds.net>
>>>>Sent: Apr 18, 2007 1:09 PM
>>>>To: pietenpol-list@matronics.com
>>>>Subject: Re: Pietenpol-List: Riblett and performance
>>>>
>>>><conceptmodels@tds.net>
>>>>
>>>>I'll have a Riblett on my corvair Piet when it's finished, one day in the
>>>>future.
>>>>The radial on Lowell's plane isn't a Warner. I don't recall what it is.
>>>>I
>>>>do know that it is a 90hp.
>>>>I also know that when I saw it take off, the pilot didn't even go to full
>>>>throttle.
>>>>Other than that, If I remember right, Lowell did fly that same plane and
>>>>cengine with a Piet airfoil, but I may be mistaken.
>>>>
>>>>But as Chucky says, ya gotta admit, with the Piet you can drop'm in a
>>>>pretty
>>>>small airpatch. Ever see films of a goony bird land? Its like that.
>>>>PLOP!
>>>>I'd be fun to watch a Piet land with Tundra tires! Boing! Boing!
>>>>boing!
>>>>etc. etc.etc.
>>>>
>>>>Roman Bukolt
>>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
Message 11
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| Subject: | lowell frank's stats |
Spoke with Lowell Frank today, and he gave me his best estimates of the
differences between his plane with the Piet wing and the same plane now
with the Ribblett 612.
His plane is exactly the same, except the new wing is two feet shorter.
He did this because the new wing has more lift. He says he recommends
people leave the original length now to get extra lift and he doesn't
think it'll slow things down much at all.
Most of you know, but his plane has a 90hp Lambert on it, which it did
with the Piet wing too. He's also had a model B on it, a Funk engine, a
145 Warner and now the lambert.
He says the most noticible difference is in the top speed, which he says
increased 15 mph
Stall dropped about 5 mph
He claims the climb almost doubled
it is much more responsive to throttle changes now.
Hope this helps. I'd like to purchase some Ribblett drawings, can
someone get me his contact info?
Thanks
Douwe
Message 12
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| Subject: | Re: lowell frank's stats |
Douwe,
Those are impressive differences. I would think that with an A-65 there might
not be that much difference in cruising speed.
Re the drawing, Roman Bukolt has scaled out the Riblett 613.5, which Riblett himself
says is the best for the Piet. (It has a taller camber on the upper surface
than the 612.) IMHO, the 613.5 should accentuate the benefits that Lowell
found of the Riblett 612 over the BP-10.
Roman sells the full scale drawings of the 613.5 for $10 or $15-- I forget which--
postage paid. You might contact him. I found it to be a very workable drawing.
(I am not building that airfoil now, however.)
Roman also has the plots for the 613.5, which are NOT included in Riblett's last
edition of his "GA Airfoils." I don't recall if he has the plots for the 612,
but I do, if you need them, as I got them from my copy of Riblett's book.
Tim in central TX
-----Original Message-----
>From: Douwe Blumberg <douweblumberg@earthlink.net>
>Sent: Apr 20, 2007 1:51 PM
>To: pietenpolgroup <pietenpol-list@matronics.com>
>Subject: Pietenpol-List: lowell frank's stats
>
>Spoke with Lowell Frank today, and he gave me his best estimates of the differences
between his plane with the Piet wing and the same plane now with the Ribblett
612.
>
>His plane is exactly the same, except the new wing is two feet shorter. He did
this because the new wing has more lift. He says he recommends people leave
the original length now to get extra lift and he doesn't think it'll slow things
down much at all.
>
>Most of you know, but his plane has a 90hp Lambert on it, which it did with the
Piet wing too. He's also had a model B on it, a Funk engine, a 145 Warner and
now the lambert.
>
>He says the most noticible difference is in the top speed, which he says increased
15 mph
>
>Stall dropped about 5 mph
>
>He claims the climb almost doubled
>
>it is much more responsive to throttle changes now.
>
>Hope this helps. I'd like to purchase some Ribblett drawings, can someone get
me his contact info?
>
>Thanks
>
>Douwe
Message 13
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| Subject: | Re: lowell frank's stats |
I ran across this link while looking at the Airplane PDQ web site. They have a
long list of airfoils that you can download for free in autocad. I believe the
Ribblett 612 is one of them. This might help in developing a rib. Of coarse it
would be easier if someone has a layout with rib framing already. Download the
zip file at this address:
http://www.davincitechnologies.com/AirfoilOptimizerStdAirfoils.htm
Charlie
Douwe Blumberg <douweblumberg@earthlink.net> wrote:
Spoke with Lowell Frank today, and he gave me his best estimates of the
differences between his plane with the Piet wing and the same plane now with
the Ribblett 612.
His plane is exactly the same, except the new wing is two feet shorter. He did
this because the new wing has more lift. He says he recommends people leave
the original length now to get extra lift and he doesn't think it'll slow things
down much at all.
Most of you know, but his plane has a 90hp Lambert on it, which it did with the
Piet wing too. He's also had a model B on it, a Funk engine, a 145 Warner
and now the lambert.
He says the most noticible difference is in the top speed, which he says increased
15 mph
Stall dropped about 5 mph
He claims the climb almost doubled
it is much more responsive to throttle changes now.
Hope this helps. I'd like to purchase some Ribblett drawings, can someone get
me his contact info?
Thanks
Douwe
---------------------------------
Ahhh...imagining that irresistible "new car" smell?
Check outnew cars at Yahoo! Autos.
Message 14
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| Subject: | Re: lowell frank's stats |
FYI
I have the full size drawings of both the Riblett 612 and the Riblett 613.5
available. They are $10.00 each including shipping and handling.
BTW 24 Piet people so far have ordered the 612 and two ordered both the 612
anf the 613.5.
Roman Bukolt (Not Roman Gukolt)
6505 Urich Terr.
Madison, Wi. 53719
----- Original Message -----
From: "Tim Willis" <timothywillis@earthlink.net>
Sent: Friday, April 20, 2007 3:56 PM
Subject: Re: Pietenpol-List: lowell frank's stats
> <timothywillis@earthlink.net>
>
> Douwe,
>
> Those are impressive differences. I would think that with an A-65 there
> might not be that much difference in cruising speed.
>
> Re the drawing, Roman Bukolt has scaled out the Riblett 613.5, which
> Riblett himself says is the best for the Piet. (It has a taller camber on
> the upper surface than the 612.) IMHO, the 613.5 should accentuate the
> benefits that Lowell found of the Riblett 612 over the BP-10.
>
> Roman sells the full scale drawings of the 613.5 for $10 or $15-- I forget
> which-- postage paid. You might contact him. I found it to be a very
> workable drawing. (I am not building that airfoil now, however.)
>
> Roman also has the plots for the 613.5, which are NOT included in
> Riblett's last edition of his "GA Airfoils." I don't recall if he has the
> plots for the 612, but I do, if you need them, as I got them from my copy
> of Riblett's book.
>
> Tim in central TX
>
>
> -----Original Message-----
>>From: Douwe Blumberg <douweblumberg@earthlink.net>
>>Sent: Apr 20, 2007 1:51 PM
>>To: pietenpolgroup <pietenpol-list@matronics.com>
>>Subject: Pietenpol-List: lowell frank's stats
>>
>>Spoke with Lowell Frank today, and he gave me his best estimates of the
>>differences between his plane with the Piet wing and the same plane now
>>with the Ribblett 612.
>>
>>His plane is exactly the same, except the new wing is two feet shorter.
>>He did this because the new wing has more lift. He says he recommends
>>people leave the original length now to get extra lift and he doesn't
>>think it'll slow things down much at all.
>>
>>Most of you know, but his plane has a 90hp Lambert on it, which it did
>>with the Piet wing too. He's also had a model B on it, a Funk engine, a
>>145 Warner and now the lambert.
>>
>>He says the most noticible difference is in the top speed, which he says
>>increased 15 mph
>>
>>Stall dropped about 5 mph
>>
>>He claims the climb almost doubled
>>
>>it is much more responsive to throttle changes now.
>>
>>Hope this helps. I'd like to purchase some Ribblett drawings, can someone
>>get me his contact info?
>>
>>Thanks
>>
>>Douwe
>
>
>
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