William Carter
  • Goodrich, TX
  • United States
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AN525-416R12 Screws

Started this discussion. Last reply by Tony Renshaw Jan 13. 2 Replies

My 5th Gen Cruzer uses 8 of these inside the gear channel (2 forward and 2 aft on each side) to hold the Gear Strut Fittings to the front and rear of the Gear Channel.  The first two I tried to…Continue

AN4-6A Bolts for the Gear Strut Fitting

Started this discussion. Last reply by William Carter Jan 11. 3 Replies

Working on my Cruzer's Gear Strut Fitting and went to check that the bolts and rivets all fit before pulling them off to paint.  My hardware kit did not come with any AN4-6A bolts.  They're not on…Continue

Super Bracket Screws

Started Dec 3, 2025 0 Replies

Building a 5th Gen Cruzer and it has the Front Super Bracket common to the new 750s (Cruzer, STOL, and SD).  It is held in with A6 rivets and Bolts through the Gear Channel and 6 screws through the…Continue

STOL Nose Gear Question

Started this discussion. Last reply by William Carter Dec 5, 2025. 4 Replies

I ordered the STOL gear for my Cruzer but didn't receive any plans for the STOL setup.  It came with the rounded nose gear fork (as opposed to the square one).  I'm getting ready to drill the nose…Continue

 

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Latest Activity

William Carter posted a discussion

AN525-416R12 Screws

My 5th Gen Cruzer uses 8 of these inside the gear channel (2 forward and 2 aft on each side) to hold the Gear Strut Fittings to the front and rear of the Gear Channel.  The first two I tried to tighten stripped at the phillips head.  Searching the EAA build logs I found this..."[AN525-416R12s] have a special Phillips like head, a Reed Prince Frearson head, otherwise the screw heads will strip with a conventional Phillips head."Has anyone else ever heard of these Frearson head screws? Is this…See More
Jan 13
2 Comments
William Carter posted a discussion

AN4-6A Bolts for the Gear Strut Fitting

Working on my Cruzer's Gear Strut Fitting and went to check that the bolts and rivets all fit before pulling them off to paint.  My hardware kit did not come with any AN4-6A bolts.  They're not on the packing list.Are the plans incorrect and some other bolt is called for here or are they just missing from the hardware list?See More
Dec 9, 2025
3 Comments
William Carter posted a discussion

Super Bracket Screws

Building a 5th Gen Cruzer and it has the Front Super Bracket common to the new 750s (Cruzer, STOL, and SD).  It is held in with A6 rivets and Bolts through the Gear Channel and 6 screws through the Cabin Side Assembly.  The rivets are for permanent mounting and the bolts are for strength.  Anyone know why the screws are there instead of just rivets?See More
Dec 3, 2025
0 Comments
William Carter posted a discussion

STOL Nose Gear Question

I ordered the STOL gear for my Cruzer but didn't receive any plans for the STOL setup.  It came with the rounded nose gear fork (as opposed to the square one).  I'm getting ready to drill the nose gear strut to the fork.  Does anyone know the size of the bolts required and whether the strut is supposed to be centered on the fork (left to right and front to back) or it is offset?  Thanks!See More
Nov 30, 2025
4 Comments
William Carter posted a discussion

Tunnel Top Rear for 5th Gen Cruzer

For anyone building a 5th Gen Cruzer (or the equivalent STOL) I have two questions:1. The only place I can find Tunnel Top Rear (LS75F33-5) referenced in my plans is on page 750-FC-03 (Sept 15, 2021).  It does not specify what size rivets are called for to rivet it to the Baggage Floor (LS75F5-4).  Any one know what is called for?2. It appears that all of the control cables and the Torque Tube route through the Jump Seat Front Channel.  What is the purpose of the Tunnel Top Rear, it seems like…See More
Oct 22, 2025
6 Comments
William Carter posted a discussion

Flush Rivets for Seat Back Supports

The Seat Pans that came with our Cruzer kit are about 4mm narrower than the plans call for (381mm instead of 385mm).  This means that we have zero clearance between the steel tube of the Seat Back and the Seat Back Supports.  I mean not easy to slide a piece of paper between them.Has anyone countersunk the last vertical row of rivets in the Seat Back Supports and used flush driven rivets (AN426) instead of AS5 pulled rivets?Any issues with using aluminum rather than steel since it's going…See More
Feb 15, 2025
2 Comments
William Carter posted a discussion

Adjustable Seat Rails

Started on the seats for our Cruzer.  The plans give the bolt size to attach the seat pans to the rails but then say "the nuts are welded to the rails".Ours don't have anything welded to the rails.I've found some pictures of the rails with threaded studs pre-attached as well.  I think they are to attach the bottom rails to the aircraft.  Ours do not have those either.Anybody else have the same issue?See More
Feb 2, 2025
2 Comments
William Carter posted discussions
Jan 25, 2025
William Carter posted a discussion

Wheel Rim Color

Received my finishing kit a couple of weeks ago.  Building a Cruzer with STOL gear.  The rims supplied in the kit are gold.  We'd prefer gloss black.  I've never worked with split rims before.What's the best way to do that?  Powder coat or paint?  Any tricks or tips would be appreciated.See More
Dec 30, 2024
1 Comment
William Carter posted a discussion

Cruzer vs STOL Gear Springs

Are the Gear Springs for the Cruzer (P/N: C75L2-1 Main Gear Spring) and the STOL (P/N: 75L2-1 Tundra Main Gear Spring) the same?They have different part numbers/names but I know Zenith has been moving towards more commonality amongst parts.  The build guide for the Cruzer actually shows the STOL part number and some of the pictures for mounting the gear are of a STOL.If they are not the same, what are the differences and are they bolt-off/bolt-on interchangeable?See More
Sep 6, 2024
2 Comments

Profile Information

Aircraft Model
CH 750 Cruzer
Project Status
Less than half
Building From
Kit
Engine installed (or plan to install)
UL Power
Building Experience
No Experience
Flying Experience
Commercial / CFI

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