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Builder Name:Michael Wood   -  
Project:   Hatz - Bantam   -   VIEW REPORTS
Start/Last Date:Sep 22, 2019 - No Finish Date
Engine:Verner Scarlet 7U
Panel:Round dials, Trig radios, EDM 350 in subpanel, Aera 660 on ram mount
 
Friendly URL: https://eaabuilderslog.org?s=woodmw

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Dec 31, 2024     Hatz Radial Bantam project       Category: Research
I started work on my Hatz Radial Bantam project on Sep 22, 2019, with the delivery of the first assemblies from Hangar 10 Aero. In January of 2021, I started posting to this builders log. I started by posting entries from the earliest dates. After posting most of 2019 entries, I started posting current information. My intent is to post new entries as I complete tasks, and continue to added posts for earlier dates as time permits.

N. American Flyer, the first Hatz Bantam was designed and built by Mark Marino, Hangar 10 Aero, Duluth, MN. http://www.hatzbantam.com

Mark continued the evolution of the plane with the Super Bantam with UL power.

Current development is on the Radial Bantam, powered by the Verner Scarlett 7U radial engine.

The first Radial Bantam has flown and is now in flight testing.


 
Mar 12, 2024     Engine and cowl       Category: Engine


 
Feb 26, 2024     Lower left wing       Category: Wings


 
Feb 25, 2024     Lower left wing       Category: Wings


 
Feb 24, 2024     Lower left wing       Category: Wings


 
Feb 23, 2024     Lower left wing       Category: Wings


 
Feb 22, 2024     Lower left wing       Category: Wings


 
Feb 21, 2024     Lower left wing       Category: Wings


 
Feb 20, 2024     Engine Cowl       Category: Engine Cowl
Continued sanding high build primer on cowl ring. Purchased a stiffer sanding pad to better follow overall curve of ring.


 
Feb 20, 2024     Lower left wing       Category: Wings


 
Feb 18, 2024     Lower left wing       Category: Wings


 
Feb 15, 2024     Lower left wing       Category: Wings


 
Feb 14, 2024     Lower left wing       Category: Wings


 
Feb 13, 2024     Lower left wing       Category: Wings


 
Feb 11, 2024     Lower left wing       Category: Wings


 
Feb 10, 2024     Lower left wing       Category: Wings
Attached remaining rib tapes and glued to rear edges.


 
Feb 09, 2024     Lower left wing       Category: Wings
Cut 4" tape for wing root rib, 2" for rest. Partially attached root rib and short tapes forward of aileron bay.


 
Feb 08, 2024     Lower left wing       Category: Wings
After applying reinforcing tape, burned holes, inserted fabric rivets, and pulled rivets.


 
Feb 07, 2024     Lower left wing       Category: Wings
Finished gluing rib tapes, aileron bay tape. Turned wing and marked rivet holes on top surface.


 
Feb 05, 2024     Lower left wing       Category: Wings
Most rib tapes glued in place.


 
Feb 03, 2024     Lower left wing       Category: Wings


 
Feb 01, 2024     Lower left wing       Category: Wings


 
Jan 31, 2024     Lower left wing       Category: Wings


 
Jan 30, 2024     Lower left wing       Category: Wings


 
Jan 29, 2024     Lower left wing       Category: Wings


 
Jan 28, 2024     Lower left wing       Category: Wings


 
Jan 26, 2024     Lower left wing       Category: Wings


 
Jan 25, 2024     Lower left wing       Category: Wings


 
Jan 24, 2024     Lower left wing       Category: Wings


 
Jan 23, 2024     Lower left wing       Category: Wings


 
Jan 11, 2024     Engine Cowl       Category: Engine Cowl


 
Jan 11, 2024     Lower left wing       Category: Wings


 
Jan 10, 2024     Engine Cowl       Category: Engine Cowl


 
Jan 09, 2024     Lower left wing       Category: Wings


 
Jan 08, 2024     Engine Cowl       Category: Engine Cowl


 
Jan 07, 2024     Engine Cowl       Category: Engine Cowl


 
Jan 06, 2024     Lower left wing       Category: Wings


 
Jan 05, 2024     Engine Cowl       Category: Engine Cowl


 
Dec 31, 2023     Engine Cowl       Category: Engine Cowl


 
Dec 26, 2023     Engine Cowl       Category: Engine Cowl


 
 
Dec 15, 2023     Engine Cowl       Category: Engine Cowl


 
 
 
Dec 11, 2023     Engine Cowl       Category: Engine Cowl


 
Dec 09, 2023     Engine Cowl       Category: Engine Cowl


 
Dec 08, 2023     Engine Cowl       Category: Engine Cowl


 
Dec 07, 2023     Engine Cowl       Category: Engine Cowl


 
Dec 07, 2023     Long Clamps       Category: Workshop


 
 
Nov 28, 2023     DRDT-2 Stand       Category: Workshop


 
Nov 21, 2023     Engine Cowl       Category: Engine Cowl


 
Oct 31, 2023     Engine Cowl       Category: Engine Cowl


 
Sep 03, 2023     Paint stands       Category: Workshop


 
Aug 11, 2023     Lower left wing       Category: Wings
Attached left aileron to wing with cleco.


 
Jul 28, 2023     Lower left wing       Category: Wings
Primed and attached fabric support. Reamed aileron hinges to wing attach.


 
Jul 27, 2023     Lower left wing       Category: Wings
Fabricated small support plate for fabric over aileron bell crank area.


 
Jul 22, 2023     Lower left wing       Category: Wings
Match drilled aileron hinges to wing.


 
Jul 21, 2023     Lower left wing       Category: Wings
Finish sanded Superfill on wingwalk.


 
Jul 20, 2023     Lower left wing       Category: Wings
Sanded bottom CF plate, flipped wing, applied finish layer Superfil to wingwalk. Also finish sanded Superfil on wingtip trailing edge gusset.


 
Jul 17, 2023     Lower left wing       Category: Wings
Blocked Superfil and applied second layer to bottom CF plate.


 
Jul 16, 2023     Lower left wing       Category: Wings
Sanded rivets and applied Superfil to bottom carbon fiber support plate.


 
Jun 30, 2023     Lower left wing       Category: Wings
Block sanded Superfil.


 
Jun 29, 2023     Lower left wing       Category: Wings
Applied Superfil to low spots of wingwalk.


 
Jun 07, 2023     Lower left wing       Category: Wings
Sanded wingwalk attach rivets flush.


 
May 25, 2023     Lower left wing       Category: Wings
Cut out frame for fabric covering over aileron bell crank access.


 
May 23, 2023     Lower left wing       Category: Wings
Fabricated and cut out covering frame over aileron idler. Riveted wing tip top leading edge skin in place.


 
May 22, 2023     Lower left wing       Category: Wings
Started fabrication, positioning, and cutouts of frame for covering over aileron bell crank access. Cut out access to aileron idler. Riveted bottom wingtip leading edge skin.


 
May 17, 2023     Lower left wing       Category: Wings
Riveted wing tip bow connectors and rear gussets.


 
May 16, 2023     Lower left wing       Category: Wings


 
May 15, 2023     Lower left wing       Category: Wings
Cleaned, etched, primed spar extensions and wing tip support tubes.


 
May 14, 2023     Lower left wing       Category: Wings
Trimmed, shaped, drilled, clecoed top leading edge extension.


 
May 12, 2023     Lower left wing       Category: Wings
Drilled conduit clamps and clecoed in place to wing tip bow. Cut, fit, formed trailing edge at wing tip bow after verifying aileron fitment. Cut, fit, and formed top and bottom gussets at rear of wing tip bow. Drilled and clecoed outboard bottom leading edge.


 
May 11, 2023     Rear cockpit       Category: Fuselage
Split and installed vinyl tubing on edge of rear cockpit opening.


 
May 11, 2023     Lower left wing       Category: Wings
Fabricated, fit, and attached support tubes between spars and middle of wing tip bow arc.


 
May 10, 2023     Lower left wing       Category: Wings
Cut and fit to size, drilled and clecoed rear spar extension.


 
May 09, 2023     Lower left wing       Category: Wings
Drilled and clecoed front spar extension in place. Cut and bent new rear spar extension, twice.


 
May 08, 2023     Avionics       Category: Avionics
Tested external GPS and ADS-B IN antennas. Both seem to work well. Unplugging GPS from Aera 660 resulted in few satellites with lower signal strength. Unplugging ADS-B IN resulted in loss of air-to-air signal.


 
May 08, 2023     Wiring       Category: Electical Sy
Wired ammeter leads to shunt.


 
May 05, 2023     Lower left wing       Category: Wings
Clamp spar extensions in place, position wing tip tubing, drill front mounting holes, tweak tubing bends.


 
May 04, 2023     Lower left wing       Category: Wings
Ream, countersink, and rivet bottom carbon fiber sheet.


 
May 03, 2023     Lower left wing       Category: Wings
Ream and counter sink wing walk. Rivet in place.


 
Apr 27, 2023     Wiring       Category: Electical Sy
3D printed 12v and ground blocks for front panel, drilled front mounting shelf, installed.


 
Apr 23, 2023     Wiring       Category: Electical Sy
Ran 6ga from shunt to main buss.


 
Apr 19, 2023     Wiring       Category: Electical Sy
3D printed mount for inline fuse holders for ammeter pick off leads. Mount also has provision for single post ground block.


 
Apr 18, 2023     Intake tubes       Category: Engine
To safeguard the intake tubes, I removed the tubes and installed 3D printed covers/seals on cylinders and rubber tube caps on intake plenum.


 
Apr 11, 2023     Lower left wing       Category: Wings
Drilled wing walk sheet for rivets.


 
Apr 07, 2023     Avionics       Category: Avionics
Soldered switch and installed connectors for speaker wire.


 
Apr 04, 2023     Avionics       Category: Instrument Panel
Wired USB power outlet to circuit, grounded master switch, connected additional grounds to ground block. Wired remaining circuit breakers to 12v block. Connected additional instruments and avionics to 12v block. Fabricated ammeter shunt mount and clecoed in place.


 


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