N1 and N2 indicator are basically exactly the same in terms of construction. The major problem here is the vernier dial and the speed at which it is rotating during engine acceleration. Here is an engine spool up table. It shows that the engine can spool up above 50% at
Fantastic find in Belgium!
A HUGE number of cockpit parts of Lufthansa’s D-ABUD my father flew with Lufthansa in the 70s. Many thanks for Guy van Herbruggen for this wonderful donation. Most of the parts will be cleaned only and left as is.
Today I took delivery of the Boeing 707 cockpit I have been dreaming of for many many years. This former Saudi Arabian Airlines 707 (HZ-ACI) will become Lufthansa’s B707 D-ABUD/UF (N88ZL) with all panels, most gauges and other parts coming from these two aircraft. My father did his entire 707
After a long search I was able to locate 3 original Lufthansa Bendix Radio Magnetic Indicators used on Boeing 707s! Still missing one but will definitely find that one too.
Vertical Speed Indicator – plain an simple. Original drums and gears removed and replaced with a NEMA stepper motor and a IR sensor for initialization. NEMA is running at 1/16 steps for super smooth and quick needle movements. Stay tuned for upcoming videos of the gauge conversion.
Kollsman Airspeed Indicator
This Airspeed indicator actually came from a B727-100 but since they are identical to the ones installed on Lufthansa 707s I chose this one and painted the 410 kts and 420 kts marker black. Both needles are working on this gauge. Wh
Work in progress to list the history of all B707 operated by Lufthansa from 1960-1985. Click here: Lufthansa 707 Fleet.
Turbo Compressor RPM indicator
Simple and quick conversion. About 4 hours total time for designing, milling and built. Uses X27 dashboard stepper motor using its internal stop for position reference.
