For Bearhawk with Optional Rear and Baggage Door and Float Reinforcement

Tubing Lengths By Drawing

Round 4130 "N" Tubing

Tube	Size	Length feet	Remarks
	1/4 x .028	1
T1	1/4 x .035	29
T2	5/16 x.058	4
	5/16 x .065	1
T3	3/8 x .035	54
	3/8 x .049	3
T4	3/8 x .058	5
	3/8 x .065	1
	3/8x .090	1
	7/16 x .049	2
	7/16 x .065	1
	7/16 x .095	1
T5	1/2 x .035	58
T6	1/2 x .049	8
	1/2 x .058	1
	9/16 x .120	2	Note: Substitute 9/16x.095 if you can find it.
T7	5/8 x .035	52
T8	5/8 x .049	23
T9	5/8 x .058	3
	5/8 x .095	1
T10	3/4 x .035	146
T11	3/4 x .049	130
	3/4 x .058	12
T12	3/4 x .065	6
	3/4 x .083	1
	3/4 x .156	2
T13	7/8 x .035	9
T14	7/8 x .049	56
T15	7/8 x .058	2
T17	1 x .049	13
T18	1 x .058	5
T19	1 x .065	7	Updated for Drawing 18 update
	1 1/8 x .049	2
	1 1/4 x .058	1
T21	1 3/8 x .058	10
T23	1 1/2 x .065	6
T24	1 1/2 x .120	2
	1 5/8 x .058	1
	2 1/8 x .065	2

Streamline 4130 "N" Tubing

Size	Length feet
1.012 x.428x .035	7
2.02 x .857 x .049	6

Square 4130 "N" Tubing

Size	Length feet
3/4 x 3/4 x .035	17
1 x 1 x .065	2

4130 Steel Rod

Size	Length feet
1/4	23
5/16	4

4130 "N" Steel Sheet

Thickness	Size	Remarks
0.032	2 sheets 18x72	Note: All T25 channel pieces can be made from one sheet if laid out carefully.
0.040	1 sheet 18x72
0.050	18" x 16"	2 sq ft
0.063	18" x40"	5 sq ft
0.071	36" x 4"	1 sq ft
0.080	36" x12"	3 sq ft
0.090	36"x4"	1 sq ft
0.100	36"x12"	3 sq ft

4130 "N" Strips

Thickness	Width	Length
0.125	4"	1'
0.190	4"	2'

#304 Stainless Sheet

Thickness	Size	Remarks
26 gauge	36"x48"	Firewall

Aluminum Tubing 6061T6

Size	Length	Remarks
3/4 x .035	7'	Aileron Counterweight Tube

Aluminum Bar 2024T3

Size	Length	Remarks
1/8 x 1 1/4	12-12' lengths	Main Spar Cap Strips
1 1/2 x 1 1/2 square	2'	Bearhawk Strut Attach Fittings

Tubing Lengths By Drawing

Lengths are in inches unless otherwise specified
Feet are rounded up
SL = Streamlined
SQ = Square

Tubing		Plans Drawing Number																			Bear-Tracks Issue				Totals		Tubing
T#	Size	2	11	12	13	14	15A	16-16A	16B	17	18	19	20	21	22	23	25	26	27	28	Sum 95	Apr 96	Jan 98	Apr 98	Inches	Feet	Size
	1/4x.028																	2							2	1	1/4x.028
T1	1/4x.035		7	3				99					146	66	4	5								10	340	29	1/4x.035
T2	5/16x.058												3		36										39	4	5/16x.058
	5/16x.065		2										10												12	1	5/16x.065
T3	3/8x.035		8					134			84		192	80	14			18		5				102	637	54	3/8x.035
	3/8x.049				20	4			2																26	3	3/8x.049
T4	3/8x.058			13					5	2		5		7				5	4	2				6	49	5	3/8x.058
	3/8x.065		2																						2	1	3/8x.065
	3/8x.095				4																				4	1	3/8x.095
	7/16x.049		16																						16	2	7/16x.049
	7/16x.065						1																		1	1	7/16x.065
	7/16x.095		6		6																				12	1	7/16x.095
T5	1/2x.035		14					71		116	214		275						6						696	58	1/2x.035
T6	1/2x.049			13	26					2			34					3	7						85	8	1/2x.049
	1/2x.058																			2					2	1	1/2x.058
	9/16x.120						1									8	3						10		22	2	9/16x.120
T7	5/8x.035							194		200	209									10					613	52	5/8x.035
T8	5/8x.049							184			60			20							3			5	272	23	5/8x.049
T9	5/8x.058							16					10					6		1					33	3	5/8x.058
	5/8x.095											3													3	1	5/8x.095
T10	3/4x.035							786		281	216								22					440	1745	146	3/4x.035
T11	3/4x.049	164	70	64		12		792		348	41								54	12					1557	130	3/4x.049
	3/4x.058																	3					138		141	12	3/4x.058
T12	3/4x.065			28				16				23													67	6	3/4x.065
	3/4x.083		2																						2	1	3/4x.083
	3/4x.156																18								18	2	3/4x.156
T13	7/8x.035												100												100	9	7/8x.035
T14	7/8x.049							146		71	98		212	55				56	25						633	53	7/8x.049
T15	7/8x.058			10		5													2						17	2	7/8x.058
T17	1x.049									70	77														147	13	1x.049
T18	1x.058									32				18					2						52	5	1x.058
T19	1x.065									34	38														72	7	1x.065
	1 1/8x.049																	15							15	2	1 1/8x.049
	1 1/4x.058																	3							3	1	1 1/4x.058
T21	1 3/8x.058									43						70									113	10	1 3/8x.058
T23	1 1/2x.065															64									64	6	1 1/2x.065
T24	1 1/2x.120															20									20	2	1 1/2x.120
	1 5/8x.058															1									1	1	1 5/8x.058
	2 1/8x.065																18								18	2	2 1/8x.065
	1x.428x.035 SL											76													76	7	1x.428x.035 SL
	2x.857x.049 SL																64								64	6	2x.857x.049 SL
	3/4x3/4x.035 SQ							201																	201	17	3/4x3/4x.035 SQ
	1x1x.065 SQ																				15				15	2	1x1x.065 SQ
	1/4" Rod								34					176										28	238	20	1/4" Rod
	5/16" Rod																					40			40	4	5/16" Rod

Revised 6 May 2003

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