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Corv-oil Filler Tube

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paulrod36(at)msn.com
Guest

Posted: Mon Feb 23, 2009 12:38 pm Post subject: Corv-oil Filler Tube

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> Before I modify my Corvair with my trusty chainsaw and sledgehammer, I  thought I'd ask a few questions:  What's the consensus on placement of the  filler tube? I've been thinking of either setting the tube at the top rear of  one of the valve covers, or shortening it way down, and setting it somewhere in  the flat top cover. Since I'm not yet quite sure how much space I'll need for  the alternator, and exactly how much space will be available, I thought I'd ask  and avoid the  "Oh, *&#"  moment that invariably follows blazing  new trails over the cliff.  Also, if you remove the horizontal oil filter  adapter, and hang the filter vertical, is there still enough room for the rear  accessory pulley? And, finally, I don't see any need for the old Delcotron  saddle. Anybody have a problem with sawing it off?

  

 Thanks,

  

 Paul Rodriguez

 601XL/Corvair

 Crank about to go for nitriding

   [quote][b]

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leinad

Joined: 19 Sep 2006
Posts: 283
Location: Central Virginia

Posted: Tue Feb 24, 2009 6:26 pm Post subject: Re: Corv-oil Filler Tube

Paul,

It sounds like you're aiming toward a setup like the one I've chosen.  Rear alternator running off the harmonic balancer.  I left the oil filler in place but shortened it.  I was able to cut it off and re-weld it shorter without pressing the steel filler out of the rear housing.  



I did remove the horizontal oil filter adapter and have mine vertical.  The belt passes it without interference.



I suppose you could remove the alternator saddle but I found it a convenient place for the alternator brackets to bolt.



There are lots of pictures of my set up on my website.  http://daniel.dempseyfamily.us/zodiac/index.html

Look at the firewall forward pages.



 	  Quote: 	
		  "paulrod36(at)msn.com"]<xml><xml><endif> Before I modify my Corvair with my trusty chainsaw and sledgehammer, I  thought I'd ask a few questions:  What's the consensus on placement of the  filler tube? I've been thinking of either setting the tube at the top rear of  one of the valve covers, or shortening it way down, and setting it somewhere in  the flat top cover. Since I'm not yet quite sure how much space I'll need for  the alternator, and exactly how much space will be available, I thought I'd ask  and avoid the  "Oh, *&#"  moment that invariably follows blazing  new trails over the cliff.  Also, if you remove the horizontal oil filter  adapter, and hang the filter vertical, is there still enough room for the rear  accessory pulley? And, finally, I don't see any need for the old Delcotron  saddle. Anybody have a problem with sawing it off?

  

 Thanks,

  

 Paul Rodriguez

 601XL/Corvair

 Crank about to go for nitriding

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_________________
Scratch building XL with Corvair Engine

paulrod36(at)msn.com
Guest

Posted: Wed Feb 25, 2009 4:49 pm Post subject: Corv-oil Filler Tube

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  Daniel. your site is great! Answered several of my questions. I do have  one, however, that I asked WW, and never got a reply. What's with the flywheel?  According to the book, it's an 85 or 86 Taurus, looks like it should have come  from an automatic transmission, but there isn't anything in the manual  addressing what needs to be done with it. I assume you have to re-drill for the  bolt battern on the flange, right?  Also, he talks about a puck. but  doesn't give enough information on it. Like, why, and what it looks like, and  where it goes. It's not even on his parts list, as far as I could tell. How did  you do your front end between engine and prop hub?

  

 Paul R

 [quote]   ---

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leinad

Joined: 19 Sep 2006
Posts: 283
Location: Central Virginia

Posted: Wed Feb 25, 2009 7:28 pm Post subject: Re: Corv-oil Filler Tube

Paul,

I've purchased William Wynne's conversion manual from back in 2004.  I found the same problem.   Certain key pieces of information were missing, like a drawing of the puck, and some of the dimensions. WW was at first very friendly and sounding as if he wanted to help.  But when I started asking questions like the ones you asked the communications stopped.  He may have just gotten very busy, but I was left feeling like he didn't want to provide all the information needed to do the conversion (which is what I thought I'd purchased).  I wound up designing my own prop hub, and decided to mount the alternator on the rear of the engine where the harmonic balancer pulley is located.  This made sense to me.   The pulley was meant to drive an alternator.   It saves weight and moves the weight back a good distance.  The draw back is that it'll require opening the "hood" to do a preflight to check the belt tension, but that seamed like a good trade off.  For the ring gear the engine flange has a pilot that sticks out and my prop hub has a counter bore on the engine end that fits on that pilot snuggly.  The ring gear has been bored to that same pilot diameter and the bolt pattern drilled around it for the same bolt circle as the prop hub.  The pilot on the flange is long enough to go through the gear material (I think it was about .090) and well into the counter bore on the prop hub.  The bolts that hold the prop hub on also hold the gear on.  The gear being clamped in between the hub and the flange.  I am also using a safety shaft.  I checked the material the gear is made of for flatness and it was VERY flat.  It runs perfectly true when the engine is running.  The only possible problem I can see in this design (which has NOT been flight tested) is that the starter delivers its torque through this joint.  I don't think most of the corvair builders need ALL the information.  They'll purchase his parts and be able to do the conversion, and that may be the best path.

Dan

 	  Quote: 	
		   ="paulrod36(at)msn.com"]<xml><xml><endif>  Daniel. your site is great! Answered several of my questions. I do have  one, however, that I asked WW, and never got a reply. What's with the flywheel?  According to the book, it's an 85 or 86 Taurus, looks like it should have come  from an automatic transmission, but there isn't anything in the manual  addressing what needs to be done with it. I assume you have to re-drill for the  bolt battern on the flange, right?  Also, he talks about a puck. but  doesn't give enough information on it. Like, why, and what it looks like, and  where it goes. It's not even on his parts list, as far as I could tell. How did  you do your front end between engine and prop hub?

  

 Paul R

    ---

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_________________
Scratch building XL with Corvair Engine

paulrod36(at)msn.com
Guest

Posted: Wed Mar 04, 2009 10:51 am Post subject: Corv-oil Filler Tube

<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]-->  Dan, thanks for the info. If I run into WW at Oshkosh I'll ask him, but it  now seems that the puck really isn't needed. Your setup. admittedly unflown, but  sure to hold up, seems perfectly straightforward. The starter torque is still  going through the prop bolts, which, if they couldn't handle the starter,  certainly couldn't handle the prop. And, since nobody seems to be losing props,  I'd call it good and move on. My plane won't be beautiful, my rivets won't be  laser-true, and I'm not into making parts over and over again because of some  cosmetic or perceived flaw. I'm not one of those to whom perfect is the enemy of  good. 

  

 I'll be saving your info in my engine file for later use.   As an  aside, a friend suggested I name the bird "poor thing". He quoted from  Shakespeare, "A poor thing, Sir, but mine own."

  

 Thanks.

  

 Paul

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