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I'll trade you my Skull Cap spinner for a 2-blade NR spinner...

Hi, all just picked up an avid model A! year unknown! i am a long time aircraft builder but have no experience with avid''s. did build a ridge runner 3 so very similar. can anyone tell me the difference between an A,B,C, mark 4 ? this airplane is going to need a total restore,just wonder if is worth upgrading to one of the newer models if possible? thank's.  Billl

anyone have a spinner they don't need ?  Skull cap or full.  

thanks

Skip

KFIV-1200

anyone have a spinner they don't need ?  Skull cap or full.  

thanks

Skip

KFIV-1200

anyone have a spinner they don't need ?  Skull cap or full.  

thanks

Skip

KFIV-1200

thanks tjay

on the kitfox they are .049

Here is the info I used for replacing the struts on my Avid Mk IV. I used the .47" struts. I had to cut the rod shorter by about 1" and rethread the end fitting, probably because I didn't measure the length properly!

https://www.mcmaster.com/catalog/130/1496/9416K12

Hi, does anyone know the wall thickness of the 7/8 inch lift struts?

Hi, does anyone know the wall thickness of the 7/8 inch lift struts?

Hi, does anyone know the wall thickness of the 7/8 inch lift struts?

Hi, does anyone know the wall thickness of the 7/8 inch lift struts?

The title tells it all, I'm looking for a grove gear and brackets for my Kitfox 4 project.  I do have a never used factory Kitfox cabane gear if someone wants to trade, but I'm willing to buy one outright as well.  Private message me for starters.  Here is a picture of the Kitfox gear and another after I faired and covered the gear legs.  I'm keeping the axels though if I sell or trade this gear.  Thanks,  JImChuk

Mk4 fuse with rudder and doors currently covered in dope. Perfect to rebuild that damaged avid $2500 FOB Hanson MA (28M) near Boston MA. Call me at 508-496-5394

Purchased a new KitFox 7STi and expecting to have it flying by summer 2025. Planning to do some backcountry flying in eastern Utah and Western Colorado. Looking to meet other KitFox owners / pilots interested in new friendships while backcountry group flying, camping & exploring. I'm currently renting Cessnas and Citabrias just to keep up the skills.

The nice thing about vinyl ester and many epoxies is they stand up to alcohol.  Both of those will adhere to the polyester the early tanks were made from.

The resin I used was polyester resin, the stuff made by bondo.  Was just looking at it on line and a number of people were complaining about it not hardening up, I've never had that problem.  Made lots of stuff with it.  I did buy the gallon cans of resin.  Not that that should matter???  JImChuk

Jim,

was the resin epoxy or vinyl ester resin? Thanks, Bryce 

I just knocked on some wood for ya Jim

The Kitfox tanks had kreem fuel tank sealant in them, and I used acetone to try to get it off.  Not sure how many layers I used, but the new rib I made was about 1/8" thick.  Probably used three or four layers of fiberglass cloth to join the ribs back to the bottom of the tank.   I think I made the rib on a piece of old lexan windshield.  Thinking now, and I may have done that, I would lay another piece over the layup of fiberglass, and screw down a piece of plywood over the top to squeeze it all flat while it sets up.  I used the fiberglass resin like you find at walmart.  

Hi Jim,

Thank you very much! What solvent to clean the tanks should I use and what epoxy? How many layers of what weight cloth where used for the doubler mounts and baffles? Thanks, Bryce 

Just a follow up on this repair.  It's been fine now for the last 2 1/2 years.  Hope my saying this don't jinx it.  JImChuk

I had an issue with my Kitfox 4 tank when I did something dumb.  I cut the part of the top off the tank, and refiberglassed things back together.  Has been fine since.  I added one more rib of fiberglass for good measure.  I may have posted a thread about it on here a couple of years ago.  JImChuk

PS  found it     Dumb stunt.... - Close Call's and dumb stunts - AvidFoxFlyers Forums

I accidentally left a non vented fuel cap on the Diva. Fuel valve in the off position. And the temp around here got up in the mid 60’s. Yay, it’s February! Oh Sh!t, the fuel tank looks like a marshmallow! The bottom of the tank puffed out (it’s a heavy hauler wing), the 2 tank ribs separated from the tank bottom. Has anyone dealt with this before and how did you fix it? Thanks, Bryce 

What's the story on the air worthiness certificate? Did it have one at some point? The only thing I can think of keeping this from selling is it must be a dead end to get it legal maybe? Such a pretty airplane, a shame it's hanger flying only.