Brodhead Pietenpol Association

Original Posted By: Rcaprd(at)aol.com
I have a Piet with a Continental C-85 with Bendix S4LN-21 mags. Onestopped working so I decided to pull it out. I discovered that the coilhad kind of disintegrated so I ordered a new one from Aircraft Spruce.Problem is, I don't know how to position the distributer gear so the whitemark you see through the portal at the top is in the correct place. I seea little L and R printed on the face of the gear, but am not sure what theyare meant to be aligned with. The is a little mark but I am not sureif this is the correct indicator. Anyway, could omeone tell me how to setthe internal mag timing. Also, the replacement coil I received has twoleads (a long one on one end and a short one on the other) whereas the oneI removed had only one lead. Do I use one and tape over the other? Also,the end of one of the metal contacts that sticks out from the end of thecoil has a slight bevel, while the other is cut square. I can't see thatit makes a difference > which side the bevel is on. By the way, both of mymags have impulse couplings. Thanks for any help. If someone has a pagefrom a Bendix manual and a fax machine my number is 603-352-1456. Thanks,Joe Kohler, Alstead, NH________________________________________________________________________________

Original Posted By: "Lonnie Gillespie"
Subject: Re: Pietenpol-List: Alum head vendorIn a message dated 8/18/00 11:33:20 AM Central Daylight Time, gyachts(at)kans.com writes:>Hey Greg !! Bring everything ya got !! Don't even think about waiting till next year!! What I meant was that it is going to be saturday, and maybe even spill over into Sunday, too. Especially if it looks like good flying weather.Chuck________________________________________________________________________________

Original Posted By:> Joseph Kohler
since your mag is a left hand (s4Ln) rotation, the notched or marked smallgear tooth mates with the notch on the big gear where the L arrow points. It is kinda late and I just gor in. I'll answer the rest tomorrow, if Ican. (I think so, if not off the top of my head, I do have all of themanuals)----------

Original Posted By: DonanClara(at)aol.com
Subject: Re: Pietenpol-List: Bendix mag timingJoe, A Bendix magneto like yours needs to be set up for left hand rotationso use the "L" mark. The two leads are for the primary and secondarywindings. I think the shorter one is for the secondary if I rememberright. The best way to check is with an ohmmeter; the primary windingswill only have about 300 to 500 or so ohms resistance whereas thesecondary will have around 5,000 or so. Measure with the ohmmeter fromground to the respective lead. The primary lead will connect to thepoints and the secondary to the distributer. Some magnetos had a metaltab sticking out the side as the lead for the secondary and if your oldcoil was like this, you have gotten the wrong coil for your mag.John LangstonPipe Creek, TXnle97(at)juno.com________________________________________________________________________________

Original Posted By: Joe
> > > I have a Piet with a Continental C-85 with Bendix S4LN-21 mags. One> stopped working so I decided to pull it out. I discovered that the coil> had kind of disintegrated so I ordered a new one from Aircraft Spruce.> Problem is, I don't know how to position the distributer gear so the white> mark you see through the portal at the top is in the correct place. Isee> a little L and R printed on the face of the gear, but am not sure whatthey> are meant to be aligned with. The is a little mark but I am notsure> if this is the correct indicator. Anyway, could omeone tell me how toset> the internal mag timing. Also, the replacement coil I received has two> leads (a long one on one end and a short one on the other) whereas theone> I removed had only one lead. Do I use one and tape over the other? Also,> the end of one of the metal contacts that sticks out from the end of the> coil has a slight bevel, while the other is cut square. I can't seethat> it makes a difference > which side the bevel is on. By the way, both ofmy> mags have impulse couplings. Thanks for any help. If someone has apage> from a Bendix manual and a fax machine my number is 603-352-1456. Thanks,> Joe Kohler, Alstead, NH> > > > ________________________________________________________________________________Date: Sun, 20 Aug 2000 21:32:36 -0500