Pietenpol-List: Rudder Bar Mod

An archive of the Matronics Pietenpol Listserve.
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matronics
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Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: Rudder Bar Mod

Post by matronics »

Original Posted By: Jack
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________________________________________________________________________________Subject: Pietenpol-List: Rudder Bar Mod
matronics
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Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: Re: Big wheel rims

Post by matronics »

Original Posted By: "Jeff Boatright"
Awhile back, Jack Phillips shared his rudder bar incident and modification. Doesanyone have pictures or an illustration of this mod?Thanks!Sent from my iPadJack Textor________________________________________________________________________________Subject: Pietenpol-List: Re: Big wheel rims
matronics
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Pietenpol-List: Re: Rudder Bar Mod

Post by matronics »

Original Posted By: "taildrags"
Hi Tools,Gah! The performance of Matronics irks me some times. For whatever reason, abouthalf of your replies never make it to my inbox. In any event, do you know if the bog stock HD wheels will fit a 1.5 inch axle?An issue I ran into with several motorcycle wheels is that the biggest diameteraxle they fit is 1.25".Thanks,JeffRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: Rudder Bar Mod
matronics
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Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: Re: Rudder Bar Mod

Post by matronics »

Original Posted By: "taildrags"
Jack: here's the thread where Jack Phillips's caution and mod were originally posted:http://forums.matronics.com/viewtopic.p ... -----Oscar ZunigaMedford, ORAir Camper NX41CC "Scout"A75 powerRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: Rudder Bar Mod
matronics
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Joined: Sat Mar 18, 2017 8:29 am

Post by matronics »

Original Posted By: "Clif Dawson"
Oops... I guess I posted everything *but* an answer to your question, which shouldhave been something like, "I've read through Jack's post and the responsesthat followed, but never saw an illustration or a photo showing the additionalbrace that he describes". However, if you look at Drawing No. 4 of your Pietplans, middle of the page is "Top View of Control Assembly" and you'll see thatthere is a single asymmetrically-placed, 1/2" 20 ga. tubular rudder bar pivotbrace kicking over to the starboard side from under the nut on the pivot bolt.If I'm reading the responses to Jack's caution correctly, a matching braceover to the port side would help steady the assembly. A builder could getelaborate and make a small tab to mount onto the pivot bolt and then slot theends of two tubular braces and weld them onto the tab instead of stacking flattenedends of tubes onto the bolt, but then again it could also be fabricatedout of pieces of angle or any of a dozen other ways. If one wanted to get trulyartistic (Douwe-?), a piece of tube could be shaped into a semicircle, thenthe ends and center flattened, and angles bent into it to form a single symmetricalsemicircular brace piece. Too much trouble though ;o)--------Oscar ZunigaMedford, ORAir Camper NX41CC "Scout"A75 powerRead this topic online here:http://forums.matronics.com/viewtopic.p ... __________
matronics
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Joined: Sat Mar 18, 2017 8:29 am

Re: Pietenpol-List: Re: Rudder Bar Mod

Post by matronics »

Original Posted By: Jack
I made my own mods but not for wire.Others here have made or acquired custom hubs.Is there enough meat to bore the hole bigger?Clif1. There are two kinds of people in this world:1)Those who can extrapolate from incomplete data>> In any event, do you know if the bog stock HD wheels will fit a 1.5 inch > axle? An issue I ran into with several motorcycle wheels is that the > biggest diameter axle they fit is 1.25".>> Thanks,>> Jeff________________________________________________________________________________Subject: Re: Pietenpol-List: Re: Rudder Bar Mod
matronics
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Joined: Sat Mar 18, 2017 8:29 am

RE: Pietenpol-List: Rudder Bar Mod

Post by matronics »

Original Posted By: owner-pietenpol-list-server(at)matronics.com
Hey Jack,I will publish pics when I finish the mod (probably this winter). I've madethe parts but have not yet installed them, preferring to wait until it getstoo cold to comfortably fly the Pietenpol. Meanwhile, I'm carefullychecking the status of the field repair before every flight - so far it isholding up just fine.Jack PhillipsNX899JPSmith Mountain Lake, Virginia-----Original Message-----
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