Previous: PUBLICATIONS AND WRITINGS
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RESEARCH NOTEBOOKS AND MATERIALS 

Box  
22  I and II (calculations)  
2 degree freedom  
2 degree freedom  
2 degree freedom paper (contains 2 copies of J.C. Houbolt's paper Remarkably condensed results for the spectral gust response of an airplane with vertical motion and pitch)  
2 degree freedom, Kernel Fnc., Slope of lift curve  
2 degree of freedom (ARAP) (contains results of the longitudinallateral gust response, handwritten calculations)  
5 stager (handwritten calculations, graphs, a drawing)  
757 Loran C Receiver (calculations, correspondence, manuals)  
841A. Circumferentially stiffened cylinders under lateral pressure, 19451946  
Box  
23  841B, 194647  
A; Early N and P; New N and P (also contains correspondence)  
Acoustic resonators  
Acoustic sources and air damping  
Advanced K kernel function  
AGARD gust data (also contains correspondence)  
Aircraft configuration (on fuel conservation possibilities)  
[Aircraft weight and balance (model A23)]  
Airships (calculations, also contains correspondence)  
Box  
24  Algorithm on FFT (Flight Flutter Testing), 1975  
Analog exp. (also contains microform copy of R. Buckley, The fast Fourier transform and its use in digital power spectral and correlation analysis, 1972), 1974  
B1 / Flight data, 1976  
B747  
Blanket machine, 1961  
Calculations of f4=  
Cantilever excitation  
Centrifugal lifting rotor  
C.H.A. (spanwise effects) (1)  
C.H.A. (2)  
Convection and spacial correlation  
Conversions, Φ's, R's, P's, Υc, L by mixing length, L by Φ filtering  
Box  
25  Combining loads  
Copies of P (X. T) study  
Correction of root reaction, 1955  
Cross coupling terms  
Cube  
Curved beam, 1971  
Deployable interceptors  
Derivation for gust paper and other work  
Design problems (also contains presentation on GEUDF engines and a memo), 1981  
Dissapative systems  
Dynamic analysis of centrifuge, 1963  
Dynamics I: natural frequencies, structural response, 19461947  
Dynamics II: landing, gusts, hydrodynamics, 19431944  
Dynamics III: methods of analysis, forces and moments, fig and indicial functions, swept wings, 1947, 1955  
Electra (1)  
Electra (2)  
Box  
26  Electra (3)  
Electra (4) (contains an article and abstract of J.C. Houbolt and W.H. Reed, III, PropellerNacelle whirl flutter, 1961)  
Electra (5)  
[Equation of motion]  
Exact difference equations (contains overheads)  
Example  old, 19481949  
Exceedance of interaction curves  
Extensions, winglets, flaps, Bplanes  
ERD evaluation  
Exact solution for the critical stress of an infinitely low flat plate with elastically restrained edges under combined shear and transverse direct stress  
Fatigue (1)  
Fatigue (2)  
Box  
27  Fatigue by crack growth  
Fatigue machine  
Filters (on two highpass numerical filters; paper on digital determination of power spectra, notes)  
Filters, improved Φ TR199 Φ, swept sine (contains two papers by J.C. Houbolt, Tentative improved procedure for the digital determination of power spectra, 1966; Illustrative applications and error determination)  
Filtering and statistical properties (contains a draft of a report by J.C. Houbolt, Highpass numerical filters)  
Flat and curved plates  
Flight flutter testing  
Flight flutter testing, 19711974  
Flight flutter testing correction  
[Flutter; energy equation for plates; rapid calculation for influence surfaces], 19561957  
Flutter analysis, ca 1957  
Flutter and Fourier analyzer  
Box  
28  Formulas and derivations used by A. Regier, 1945  
Fourier analyzer  
Fourier analyzer  
Fourier dev. of kernel function  
Fourier transform of Φ and K  
G.E. I  
G.E. II  
General exceedance curves  
Box  
29  General exceedance curves and various mission analysis  
Gliding h ′ v ′ wind shear  
Gravity gradient  
[Grid performance analysis; gust loads]  
Gust analysis  
Gust analysis  original recurrence analysis, modal solution, simple damped mass oscillator, etc.  
Gust history  
[Gust loads], 19521953  
Gust response  
[Gusts]  
Hang glider  
[Houbolt's correction function]  
Kernel cv  
Box  
30  Kernel and SK  
Kernel function and 3d flutter  
Lateral gust response  
Lateral gust response 1degree freedom  
Launch vehicle  
[Loads sources of flight]  
Low μ  
LRCA (contains a copy of J.C. Houbolt's paper Impact of technical advances (sensitivity), 1980)  
Mars entry vehicle  
Math probing  
Matrix characteristic equation  
Method of modeling  
Mode determination from slope measurements, 1956  
Model analysis results; flutter flight test data, 1976  
A more general range equation  
More on the kernel functions; slope of the lift curve  
Multiple sensors  
Box  
31  N and P graphs  
NASA  gust program  
NASP  
NCAR (contains two articles on turbulence by C.S. Morse and L.R. Cornman)  
New simplified 2 degree for K+N_{0}+4 aircraft  
New thought on gust response  
Nonstationary turbulence  
Nonsteady . μ files  
Nonsteady aero ∫'s  
Nonuniform spanwise gusts lift and roll  
Numerical filtering, 1957  
Box  
32  Numerical methods  
Oper. 18 redo; outlines (contains presentation on Analysis of aircraft structures), 1955  
Orbits (contains memo on interplanetary trajectory program), 1959  
Optimum filter  
Optimum pred. filter  
Optimum staging  
Optimum staging  
Optimum staging  
P(T) study  
Panel flutter  
Papers on aeroelasticity  
Box  
33  Parameter identification  
Peaks  
Probability and game  
[Program E; atmosphere and constants; airplane engine data; Sf studies; sensitivity studies; coupling of two DC9's; twin B1; two JT9D7; model design; lift on swept wings; stability]  
PVA 9330BBN  
PVA 9331  
Range paper, 19691970  
Reentry vehicle; X15 landing analysis  
Reevaluation of γ and P  
Rigid body, P


Box  
34  Rings and shells (notes, calculations)  
Roll (calculations and graphs)  
Rollresponse (calculations, paper on vehicle roll response, tables and figures)  
Root behavior and flutter (calculations and graphs)  
Rotating blades  
Runway roughness (calculations, correspondence, printed paper by J.C. Houbolt, Mathematical treatment involved in development of roughness criteria)  
Rutgers (calculations, memo, correspondence)  
Rutgers  on jet VTOL engines, V/STOL aircraft  
[Sensitivity study, error in h; longitude w; longitude E; LHA and longitude; star chart]  
Shuttle ascent loads  
Simplified solution for gust problem  
Box  
35  Simplified rocket ascent (on vehicle design and various optional staging studies)  
Some technical graphs and information  
Some unfinished work on the stability of a short column  
Sonic boom  
Sources and sinks (a letter concerning the paper "Some new concepts in oscillatory lifting surface theory" and notes, also tree other papers on the same subject)  
Sources; grids; w(x); w(x); K; Fourier transforms  
Space and time variant noise  
Stability  
[Steering control problem; Booster capability], 1963  
Structures (on determinations; stability; properties of metals)  
Box  
36  Subcritical flight flutter testing (analog experiments), 1975  
Subcritical flight flutter testing, 1975  
Subsonic design  
Subsonic design (cont.) and lecture figures  
Surface winds and gusts (objectives; individuals; trip schedule; findings)  
Taxiing stresses  
Tip off (contains photo and negatives)  
Tip propellers  
Tip propellers (contains overheads)  
Thin strip column (fixed ends, energy; pinned ends, energy; free and restrained edges), 19421945  
Box  
37  Torsion of propellers  
TR199; on dynamic gust response (memos, notes), 1962  
Transient aerodynamics and the isoclinic wing, 1949  
Turbulence meter  
Twin fuselage (contains correspondence, articles, overheads)  
Upwash corrections  
Various math  
Various problems (contains B1 data, memo on flutter problem; aerodynamic circuit)  
Various spectral matters  
Vehicle design studies  
Wake turbulence  
WF  gust  
Box  
38  WF (mission consideration)  
Wingtip propellers (research papers of 19691984)  
A_{r} and K_{0} for various aircraft  
K, k_{0}, downwash  
K for incompressible flow  
K for 1011, DC10, 747, 727 (letters and data from P. McGowan, F. Hoblit, N. Crabil)  
, (Calculations and graphs), 1979  
K ∫reduced to sub ∫; exact ∫ ; K report 4 airplanes  
lp (calculations)  
Φ_{n} (r)= ∫_{0} ∞ P (l) dl, N/N_{0}= ∫ ; Φ _{1} + Φ _{2}  
Φwith time variation spanwise gust distributions  
F + iG functions  
h by least squares  
f_{4} (twodimensional gust effect)  
α


h for gusts z and Φ  
α/q  
Δ's low power airships (contains overheads)  
Box  
39  Kÿ with filter  
Δ divergence  
w from z w from Φ_{w} (Includes 3.5" floppy disk)  
α(l) and N_{0} (L)  
h(α) and F_{n}  
n m PT N_{0} (graphs, data)  
K_{0} for swept wing  
N_{0} by 2 degree gusts (calculations and two reports on turbulence)  
α, v, m and weight of wing  
Unlabeled folder with handwritten calculations, ca 195657  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations, 1963  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations and graphs, 1964  
Unlabeled folder with handwritten calculations, 19721973  
Box  
40  Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations  
Unlabeled folder with handwritten calculations  