# TCDS GTC 19: Nelson Aircraft Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Nelson Aircraft Corporation
- Revision: 0
- Revised: April 21, 1947
- Product: Aircraft, Glider
- Certification basis: CAR 5
- Registered aircraft: 1, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/f4/1d/f41d795b536cea0247089f66b7c8df54c8d7c5f293e0909d3c3faab2295efe30
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8DB86E618C946C038525673C00665B17.0001
- Page: https://openairdocs.org/tcds/GTC%2019

## Models (1)

As the data sheet lists them.

- BB-1

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
NELSCN AIRCRAFT CORPORATION
MODELS: Nelson Auxiliary Power Glider BB-1, 2 PCIM
I.C. NUMBER: GTC 19 (Approved 4/21/47)
Type  Glider with auxiliary power (See NOTE 3)
Airspeed limits  Glide or dive 88 mph True Ind.
C.G. range  (+79.2) to (+85) (See NOTE 5)
Datum  69.4 inches forward of leading edge of wing at root
leveling means
Maximum weight
NO.  seats  2 (+57.5) (See NOTE 5)
Maximum baggage
Fuel capacity  3 gallons (fuel-oil mixture)
Control  surface  26.5 degrees up  12.5 degrees down
movements  12.5 degrees up  6.0 degrees down
20.0 degrees right  20.0 degrees left
Serial Nos. eligible  Required equipment  Items 1, 101, 102, 201, 202, 301, 401, 402, 403
SPECIFICATIONS PERTINENT TO ALL MODELS:
Certification basis  Type Certificate No. 19 (CAR 5)
Froduction basis  None (See NOTE A)
Propeller and Propeller Accessories:
Propeller fixed pitch wood  (See NOTE 2)
U.S. Propellers 42RB20  4 1bs.  (+130)
U.S. Propellers 42RBX24  4 1bs.  (+130)
U.S. Propellers 42RB21  4 1bs.  (+130)
Engine  and Engine Accessories - Fuel System
101.  Engine
(a)  Nelson Model H-44 (See NOTE 3)
(b)  Nelson Model H-49  (See NOTE 3)
102.  Batteries  (2)  Eveready  #1461
6-volt drycell  18 1bs.  (+13)
2 wheels with brakes - Nelson B-100  (+9405)
2 tires Firestone 4.00-4 commercial
+94.=
tubes 4.00-4 commercial grade  *94.5
Nose wheel items
Wheel and tire - General E63  5 1bs.  (+18)
Flectrical Equipment
301-  One  voltmeter
Interior Equipment

Airspeed indicator
Tachometer
CAA Approved Operating Limitations
(equivalent to and acceptable
as an "Airplane Flight Manual")
NOTE A.  Prior to original  certification each glider must satisfactorily pass:
An inspection for workmanship, material and conformity during
construction.
(b)  A final inspection of the completed glider.
(c)  Check of flight characteristics.
NOTE 1.  Current weight and balance report including list of equipment included
in certificated weight empty, and loading instructions when necessary, must
be in each glider at the time of original certification and at all times
thereafter.
Propeller is not required to be certificated, but is to be approved on
oasis of conformity of either U.s. Propellers, Inc. drawings 42RB-03, Change
A; 42RB21; or 42RBX24.  Propeller diameter 42" maximum, 41" minimum; static
limits 3900 RPM maximum, 3750 RPM minimum.
NOTE 3.  Engine  is not required to be type certificated but is to be approved on
the basis of conformity with following requirements:
Manufacturer: Nelson Specialty Welding Equipment Company, San leandro, CA
Model  H-44  H-49
Assembly Drawing No.  E-80  E-80 with E-225 cylinder
туре  4HOA-2 cylinder
Rating
ximum except I.O.
HP, RPM at pressure
Altitude  25-3900 S.L.  28-4000 S.I.
Take-off
(one minute) HP.
RPM, full throttle  25-3900  28-4000
Minimum Idling Speeds  Spark advanced-2000 RPM
Spark retarded-1500 RPM
Fuel  12 parts 80 octane gasoline
to 1 part SAE 30 oil by
volume
Bore and Stroke, In.  2.25 × 2.75  2.375 × 2.75
Displacement Cu. In.  44  49
Compression Ratio  9.0:1
Weight  (dry) Ib.  40
Crankshaft  Gearing  Direct drive
Propeller Shaft  Special tapered
Supercharger Ratio  None
Carburetion  Carter WA1 No. 413-S,
Part No. E-192
Ignition, Single  Used two 6-volt dry cell
batteries, two breakers
and two coils
(See NOTE 4)
Ignition timing;
Degrees btc  40 degrees
Spark Plugs  Champion J-10 or AC-44
Lubrication  Fuel-Oil mixture
(crankcase induction)
Temperature Limits  Cylinder heads 500 degrees F
Cylinder Bases 280 degrees F
NOTE 4. The following placards must be mounted in full view of the pilot:
"This aircraft must be operated in compliance with the CAA Approved
Operations Limitations Manual. '
"No acrobatic maneuvers authorized, including spins."
"Airplane, auto or winch tow is prohibited."
"Instrument flight prohibited. "
"Avoid continuous engine operation below 3000 RPM."
(Adjacent to tachometer.)
"Minimum battery voltage 4.0 volts."
(Adjacent to voltmeter.)
Total weight in both seats must be greater than a certain minimum value
when glider is flown solo.  This minimum value shall be established as
prescribed by the Approved Operations Limitations Manual, and shall be shown
on a placard reading as follows:
"Total weight in seats must be at least -- 1b. for balance reasons. When
ballast is required, secure in all locations.'
This placard must be mounted in full view of the pilot.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Nelson BB-1](https://openairdocs.org/model/nelson-bb-1): 1 aircraft (registry code 6200102)

## STCs approved under this data sheet (3)

- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc.
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.. Andrew D. Humphrey
- [STC SG4-1240](https://openairdocs.org/stc/SG4-1240): Installation of Eonnex cover on aircraft surfaces.. Ceconite, Inc

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