(JMPBA;Jpapan Model Power Boat Association)
JMPBA All Japan Champion Ship 400m Oval
& Heat Race
'1998.09.05-06. Held in Nagoya, Aichi Pref.
Update Jan/01/1999

Table of contents
1.400m Oval time trial
1-1)Record & Result
1-2)Photos & Movie

2.Heat rcace
2-1)Result
2-2)Photos

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1.400m Oval time trial (Go 4-times round the 100m cource)
1-1)Record & Result

This year in every classes, new record hasn't recorded. We analyzed originaly Engines rpm(Revolution Per Minute) in straight way by using sound analysis which error includes +/-10% perhaps.

A(21) Class

Placing	Name	1R(time/rpm)	2R(time/rpm)	3R(time/rpm)	Engine
1	T.Yamane	18.98/31,800	18.29/33,000	NA	NOVA21
2	Y.Nishimoto	19.06/33,600	19.11/33,000	18.81	NOVA21
3	M.Oike	19.46/33,000	20.03/34,200	19.45	NOVA21
4	H.Otagaki	NA	19.93/33,000	NA/32,400	OS21RZM
5	E.Shioji	20.05/29,700	NA/30,600	NA	REX21
6	M.Iwagou	NA/31,200	20.74/32,400	NA	OS21RZM
7	H.Marutani	21.01	NA	NA	OS21RZM
8	S.Saka	22.72	21.18	NA	NOVA21
9	S.Takahashi	NA	NA	21.71	NONA21
10	T.Kuroda	NA	22.02	NA	NOVA21
11	K.Fukuda	NA	23.00	34.55	REX-350 21
12	K.Kubo	24.68/26,400	NA/27,000	24.40/27,000	OS21RXM
13	M.Senno	26.97	24.50	NA	OS21
14	Y.Nakamura	27.86/30,600	NA/28,800	NA	OS21RZM
15	K.Fujimoto	NA	34.91	NA	NOVA
16	S.Yano	45.14	38.69	39.71	REX21
-	S.Fijiwara	NA	NA	NA	NOVA21
-	M.Enomoto	NA	NA	NA	OS21RZM
-	K.Yamada	NA	NA	NA	REX21

Time(second)
B(46) Class

Placing	Name	1R(time/rpm)	2R(time/rpm)	3R(time/rpm)	Engine
1	K.Yamamoto	23.00	20.43/24,600	19.00/25,200	PICCO45
2	Y.Utumi	23.56	20.65	19.12	OS46VX-M
3	Y.Oike	19.26/26,400	NA/25,800	20.39/26,400	OS46VX-M
4	M.Okada	NA	21.48	19.27	OS46VX-M
5	H.Watanabe	NA	19.91	19.69	OS46VX-M
6	T.Nishimura	20.99	20.39	NA	OS46VX-M
7	T.Horinaka	NA	NA	20.43	OS40PS
8	M.Hosokane	20.78	20.96	NA	OS46VX-M
9	T.Ueda	21.22	22.11	NA	OS46VX-M
10	H.Nakamori	22.58/24,600	NA/25,200	NA/23,700	OS46VX-M
11	K.Tokunaga	25.06	NA	22.85	OPS45
12	Y.Kouzaki	23.89	NA	NA	OS46VX-M
13	H.Noguchi	25.65	24.47	NA	OPS45
14	S.Fujimoto	NA	NA	24.79	OS46VX-M
15	K.Fujii	NA	NA	27.79	OS46VR
-	Y.Naka	NA	NA	NA	OS46VX-M
-	N.Oso	NA/25,200	NA/24,000	NA	OS46VX-M
-	K.Miyaji	NA	NA	NA	PICCO45

Time(second)
C(91) Class

Placing	Name	1R(time/rpm)	2R(time/rpm)	3R(time/rpm)	Engine
1	K.Goto	20.54/25,800	18.55/25,800	NA/26,400	OS46VX(Changed over 46)
2	I.Inai	NA	20.36/19,800	19.47/19,200	OS91
3	M.Shimada	NA/22,800	20.67/21,600	19.65/22,200	OS81
4	M.Iwasaki	NA	20.08	NA	OS46VX(Changed over 46)
5	O.Miyazaki	NA	20.09	NA	OS81VRM
6	T.Kitawaki	22.10	25.03	NA	OS91
7	K.Miyauchi	NA	24.31	22.31	OS81
8	Y.Miyauchi	NA	22.39	23.11	NELSON91
9	M.Motobou	23.21/21,600	NA/19,800	NA/21,600	OS77
10	T.Nakaya	25.89	24.50	NA	NELSON91
11	S.Fujijhira	NA	27.88	NA	OS91DF
12	S.Sima	34.13	NA	36.92	BVM91

Time(second)
1-2)Photos & Movie
400m Oval Race Scene AVI. 'A' class champion.
The fastest boat of this year. About 5sec 1,260KB.
I tested my video card with MPEG1
Encoding/Decoding tip.




Left:B class Y.Oike who was 3rd place has been acrossing the start and finish line. This photo indicates the left sponson how to touch the water.
Right:A class T.Yamane who was the first place has gone straight way.


At the left corner, one boat hit the buoy.


C class M.Shimada who was 3rd place at the corner and straight way.



B class, the gear mutiple system increase in number of prop revolution.




Left: Start your engine!, Right: At the pit.




Left: B class chanpion boat goes straight way.
Right: At the corner, B class boat's turn fin was off in the water after that ･･･.




Left: A class rigger. Right: B Class rigger.


--------------------------------------------------------- 2.Heat race result
2-1)Heat race result

Result

Class	Placing	Name	Engine	Length x Width x Weight
A Mono	1	Y.Furui	NOVA21	970x280x4500
A Mono	2	T.Yamane	NOVA21	900x250x3000
A Mono	3	A.Baba	OS21RZM	900x300x3950
A Hydro	1	Y.Nishimoto	NOVA21	900x600x2000
A Hydro	2	S.Yano	REX21	820x570x1900
A Hydro	3	H.Mizutani	REX21	850x500x1800
B Mono	1	H.Arikuni	PICCO45	1030x310x4000
B Mono	2	T.Nakano	OS46VX-M	1040x290x4200
B Mono	3	I.Onmae	PICCO45	1000x310x5000
B Hydro	1	T.Inoue	OPS45	1000x620x3000
B Hydro	2	Y.Kouzaki	PICCO45	1100x740x3300
B Hydro	3	O.Tanaka	PICCO45	1200x750x3900
C Mono	1	M.Tanimoto	OPS45x2	1150x400x7500
C Mono	2	H.Iino	OS91	1500x400x8000
C Mono	3	K.Mikami	OS91	1500x390x8000
C Hydro	1	N.Kuroda	OS81	1200x750x5000
C Hydro	2	H.Uchibori	OS91	1300x800x5400
C Hydro	3	E.Midorikawa	OS91	1300x800x540

Length(mm) x Wide(mm) x Weight(g)
2-2)Photos & Movie


Left:BH Waiting for the start. Right: BH Let's start !!!



Mono Class battle at the corner !



Hydro Class battle at the corner !

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