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  1. jeff naul

    Fastest VOLKSWAGEN Sonerai 2

    Just for a fun discussion, who has the fastest VOLKSWAGEN powered Sonerai 2?
  2. jeff naul

    Fiberglass Spinner

    Anyone used the fiberglass spinner that sonex shows on the site? Will they hold up? My 1981 aluminum is getting pretty rough. Thx, Jeff
  3. jeff naul

    Propellor design

    Do you guys think these newer Sensenitch/ whirlwind GAP propellors are as good as say the Catto/prince designs. Also, if I didnt care about climb would reducing diameter and increasing pitch yield any speed gains? I always read that more diameter is better but its also harder to turn that...
  4. jeff naul

    2 blade warpdrive hub

    Want to buy a 2 blade warp drive hub. I have a 3 blade just want the 2 blade hub only to try with my blades. Thx. Jeff.
  5. jeff naul

    2180 dyno

    Looking at dyno sheets on CB's site and they show a 2180 on pump gas making 94 h.p. at 3500 rpm. So why do we only get 70 h.p. at 3500?
  6. jeff naul

    prop extension

    Anybody have a 2 to 3 inch prop extension laying around their not using? Force One bolt pattern... thx Jeff
  7. jeff naul

    changing to taildragger..

    hey guys, I have a Zenith Zodiac HDS and wanting to change over to taildragger. what I want to use is whitman rod gear bolted to the spar. this configuration will have the gear swept straight forward rather than out and back as tailwinds/RVs have.. does anyone see any problems with this? ive...
  8. jeff naul

    2180 upgrade.

    Hey guys, I'm boxing my engine this weekend and shipping to Hummel for the Force 1 prop hub machine work. While I'm a part I'm wondering what is the latest greatest best cam for our application? My logbook shows my engine kit was ordered from CB performance so I'm sure the cam is not the best...
  9. jeff naul

    raising vertical stab ...

    I am just about to repaint my mid wing S2... and one day I'm going to raise the vertical then next day I'm not... my turtledeck is stock height... it's been years since I flew it and I just can't remember if it's worth doing. I know the ball always bounced around and coordinated turns took alot...
  10. jeff naul

    Turning rev master carb

    O.k. not VW related... I built a new intake for my subaru EA 81/zenith zodiac so I could turn my Revmaster carb so that the needle pulls up when the throttle opens. Wow what a difference it made. I now have even EGTs from idle to wot. When the carb was turned one side of the engine would puff...
  11. jeff naul

    Force one prop hub wanted

    I've had good luck finding parts in the past so I thought I would give this one a shot too. Anyone have one on the shelf? Thx, Jeff
  12. jeff naul

    S 2 clipped wing...

    What I've been wondering is if I clipped the wing of a sonerai 2 and then add a Hoerner wingtip. Would that give the speed of a clipped wing without losing any of the stability of the long wing? I'm sure this has been discussed but my searching came up with nothing.
  13. jeff naul

    Wanted.. hydraulic brakes

    Before I pull the trigger and order the sonex brake system like freds conversion, I was going to see who may have anything laying around for sale. THX, Jeff
  14. jeff naul

    Warp drive speed

    Hey guys, at what speed do you think a warpdrive prop gives up? thx, jeff
  15. jeff naul

    2180 exhaust

    I'm building new exhaust and wondering am I going to see any considerable power loss by going two into one? And at the rpm these engines operate is crossover worth the trouble? Thx, jeff
  16. jeff naul

    S 2 speed

    Just doing some thinking.... who has the fastest sonerai 2? Excluding the guy with 100h.p. rotax lol... what do you guys think a VW powered S2 with alot of airframe clean up can realistically cruise or top speed at... is 200mph unrealistic for a 2 with day a 2180 or 2276? I intend for this to...
  17. jeff naul

    S2 original mid wing

    I had to bring my Sonerai home from the hangar when I fished my Zodiac. My plan was to repaint and update her and just play with it occasionally as I have for all the years I owned it. Reality is too many projects at home so not much got done in the year it has been here. So I'm going to put it...
  18. jeff naul

    who's going to sun n fun?

    I'll be there saturday and sunday...not in my sonerai... top gun starts Monday so I'll be playing with my little plane the rest of the week.. Any sonerais?
  19. jeff naul

    vortex generators

    I'm about order a set for my Zenith Zodiac because everybody that has added them all see huge improvements. 10 m.p.h. cruise increase with 5-7 slower landing speeds with no thump that the HDS is known for on touchdown. So this has me thinkin about my Sonerai, I fly off a grass strip with trees...
  20. jeff naul

    had a close call!

    Well to start flew for an hour buzzing around to all my buddies home strips and was loving the first good day to fly in weeks. Landed for some fuel and return some missed calls. Decided to go get a few touch and goes before dark hit. After the first when I went full power I didn't have the pull...
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