[B]DIOT (Defu Indoor Offroad Track)[/B]
#8836
Tech Elite
iTrader: (5)
Join Date: Nov 2002
Location: Coordinates - 1°21'44.88"N, 103°54'17.34"E
Posts: 3,456
Trader Rating: 5 (100%+)
ANGRY RCer
When a RCer with poor anger management gets angry with his RC :-
HV A GREAT CNY guys !!
+ YouTube Video | |
HV A GREAT CNY guys !!
#8837
When a RCer with poor anger management gets angry with his RC :-
HV A GREAT CNY guys !!
+ YouTube Video | |
HV A GREAT CNY guys !!
#8840
If have sure bring down one!
Ya bro still owe u pisang goreng...
Will come down some other time!! See u all and happy chinese new year!!!
#8842
Tech Rookie
#8843
Gong Xi Fa Cai
🌸 🌸 🌸 🌸
🌸恭🌸贺🌸新🌸禧🌸
🌸 🌸 🌸 🌸
🍊大🍊吉🍊大🍊利🍊
🌸 🌸 🌸 🌸
💹业💹务💹发💹展💹
🌸 🌸 🌸 🌸
🌊生🌊意🌊兴🌊隆🌊
🌸 🌸 🌸 🌸
💰财💰源💰广💰进💰
🌸 🌸 🌸 🌸
🌺花🌺开🌺富🌺贵🌺
🌸 🌸 🌸 🌸
👨竹👩报👦平👧安 👶
🌸 🌸 🌸 🌸
🐠年🐟年🐳有🐬余🐙
🌸 🌸 🌸 🌸
🌸 🌸 🌸 🌸
🌸恭🌸贺🌸新🌸禧🌸
🌸 🌸 🌸 🌸
🍊大🍊吉🍊大🍊利🍊
🌸 🌸 🌸 🌸
💹业💹务💹发💹展💹
🌸 🌸 🌸 🌸
🌊生🌊意🌊兴🌊隆🌊
🌸 🌸 🌸 🌸
💰财💰源💰广💰进💰
🌸 🌸 🌸 🌸
🌺花🌺开🌺富🌺贵🌺
🌸 🌸 🌸 🌸
👨竹👩报👦平👧安 👶
🌸 🌸 🌸 🌸
🐠年🐟年🐳有🐬余🐙
🌸 🌸 🌸 🌸
#8844
WISHING ALL RCers OF DIOT A
HAPPY CHINESE NEW YEAR
AND HUAT TO THE MAX
HAPPY CHINESE NEW YEAR
AND HUAT TO THE MAX
#8845
To All my fans, friends and foe’s out there....
Wishing You and your love ones A Happy And Prosperous New Year...
Huat Ahhh.....
Wishing You and your love ones A Happy And Prosperous New Year...
Huat Ahhh.....
#8846
Tech Champion
iTrader: (7)
Some kakis here were apparently interested in the engine 'numbers', so here it is to show you some numbers they claimed...
Most of the "big" BB engines are built for bashers. To get decent power out of the engine, they can either machine it better and make it out of better material to handle higher RPM's, or put a big fat piston in it to give it a lot of torque to carry higher gearing.
To prove that point, I came accross a recent XRC Mag article that noted it's highest 21 HP dyno pull to date with an LRP21 at 1.86hp and winding out to 43K RPM's with a peak of 81oz torque.
Considering the LRP28 S3 truggy (no pull start) was on the same dyno cranking out 1.87hp with 71oz of peak torque with a maxx RPM around 43K... kind of makes you wonder where LRP found that extra power/torque in the smaller engine.
Apparently the power is found in your wallet. Since the 21 will sell for $379 whereas the 28 sells for $175.
You can peruse this list and make your own judgment. It's XRC's list that they have done, but it's a bit dated, from 2006 I believe. The LRP21 isn't on it.
Quote:
Originally Posted by XRC Xtreme RC RC411.com
Company Engine HP TQ Peak RPM Part # Price
Associated MGT 4.6cc 1.10 @ 19,500 rpm 57.60 oz-in @ 17,750 rpm 34,250 rpm w/ kit n/a
Associated AE.15 .44 @ 22,100 rpm 21.87 oz-in @ 20,100 rpm 33,100 w/kit
Axial Racing .28 Spec I S 1.43 @ 22,800 rpm 75.61 oz-in @ 18,000 rpm 35,000 rpm AX001 $160
Axial Racing .32 same as the Racers Edge Sure Fire .32 with in a 10th in the Sure Fires favor
CEN NX-26 1.02 @ 23,200 rpm 53.00 oz-in. @ 18,000 rpm 33,200 rpm w/ kit n/a
CEN X-76 .46 1.58 @ 21,250 rpm 74.88 oz-in @ 16,500 rpm 36,000 rpm w/ kit $299
CEN OPS .21 speedster 1.27 @ 27,000 rpm 57.53 oz-in @ 19,200 39,800 rpm w/kit n/a
GS GS-R25MT 1.20 @ 24,000 rpm 55.68 oz-in @ 17,000 rpm 35,500 rpm w/ kit $230
HPI 18 SS 0.63 @ 29,500 rpm 24.96 oz-in @ 22,250 rpm 32,500 rpm w/ kit $170
HPI Nitro Star F4.1 0.94 @ 20,250 rpm 48.60 oz-in @ 18,000 rpm 33,500 rpm w/ kit n/a
HPI K4.6HO 1.28 @ 19,500 rpm 64.76 oz-in @ 19,500 rpm 32,000 rpm w/ kit n/a
HPI Nitro Star K4.6 1.32 @ 22,250 rpm 59.52 oz-in @ 19,750 rpm 35,000 rpm w/ kit $200
HPI Nitro Star GS 3.0 .56 @ 25,700 rpm 21.83 oz-in @ 25,500 rpm 36,300 rpm w/ kit
Kyosho GSR-26 0.94 @ 31,500 rpm 46.08 oz-in @ 14,300 rpm 34,250 rpm w/ kit n/a
Kyosho GSR-28 1.16 @ 21,800 rpm 56.32 oz-in @ 19,600 rpm 32,800 rpm w/kit n/a
LRP Z .12R Team Spec.2 1.11 @ 34,500 rpm 32.46 oz-in @ 34,250 rpm 41,250 rpm LRP31201 $240
LRP Z .28R Spec.3 Truggy 1.87 @ 27,200 rpm 70.77 oz-in @ 25,600 rpm 42,800 rpm
Mach .15 Rear Exhaust 0.65 @ 21,500 rpm 30.72 oz-in @ 11,000 rpm 29,500 rpm w/ kit $120
Max Power .12 S-3MF 0.91 @ 34,750 rpm 28.80 oz-in @ 30,250 rpm 43,000 rpm MX12MAXS2MF $349
Max Power MX21M5 1.35 @ 24,500 rpm 55.68 oz-in @ 21,000 rpm 38,250 rpm MX21M5 $350
Mugen X12 SE 0.88 @ 21,500 rpm 28.80 oz-in @ 30,000 rpm 42,500 rpm X12S3 $290
Novarossi N21B 1.33 @ 22,750 rpm 59.52 oz-in @ 20,750 rpm 35,750 rpm N21B $199
Novarossi N528XR Hott Mod 2.02 @ 26,250 rpm 80.64 oz-in @ 22,000 rpm 38,500 rpm N528XR $319
Novarossi P5 1.46 @ 25,250 rpm 59.52 oz-in @ 22,000 rpm 37,750 rpm A2C201 $300
Novarossi 12-3CT 1.03 @ 33,500 rpm 31.32 oz-in @ 32,800rpm 42,000 rpm $395
O.S. .12TZ(S) T3 0.80 @ 34,000 rpm 24.96 oz-in @ 21,750 rpm 38,500 rpm 11371 $230
O.S. 12 TR 0.65 @ 30,000 rpm 25.00 oz-in @ 23,250 rpm 39,350 rpm 11362 $130
O.S. 12 TR-T Outlaw 0.73 @ 31,500 rpm 25.96 oz-in @ 27,250 rpm 41,000 rpm 11365 $160
O.S. .18 TZ-T 1.18 @ 29,400 rpm 44.16 oz-in @ 21,750 rpm 42,050 rpm OSMG2114 $180
O.S. VZ-B V-Spec 1.47 @ 24,250 rpm 61.20 oz-in @ 22,500 rpm 41,500 rpm 13890 $320
O.S. 30VG 1.80 @ 26,500 rpm 74.88 oz-in @ 18,750 rpm 35,500 rpm 13960 $250
Ofna Hyper 21 8-Port 0.98 @ 20,750 rpm 49.92 oz-in @ 14,750 rpm 33,000 rpm w/ kit $150
Ofna Force .26 1.02 @ 24,000 rpm 48.00 oz-in @ 19,500 rpm 38,500 rpm w/ kit $140
Ofna/Picco P7-R Evo .21 1.47 @ 25,200 rpm 59.01 oz-in. @ 24,800 rpm 39,400 rpm 51218 $309
Ofna Force .32 1.23 @ 23,000 rpm 66.07 oz-in @ 17,400 rpm 33,200 rpm w/kit
Ofna Hyper MacStar 2.8 6 port 1.03 @ 23,400 rpm 44.82 oz-in @ 23,400 rpm 34,200 rpm w/ kit
Peak Diablo .12 Type-R 0.51 @ 25,550 rpm 21.10 oz-in @ 19,000 rpm 33,000 rpm PEK6006 $150
Peak Diablo .28 1.33 @ 27,500 rpm 48.00 oz-in @ 22,000 rpm 40,800 rpm PEK6081 $170
Racers Edge Sure Fire .32 1.65 @ 21,750 rpm 74.80 oz-in @ 21,000 rpm 34,500 rpm RCESF10000 $200
Radical 621P 1.27 @ 26,150 rpm 52.06 oz-in @ 19,400 rpm 39,400 rpm kit n/a
RB Concepts V12 Rody 3T 0.95 @ 34,250 rpm 28.80 oz-in @ 28,750 rpm 44,750 rpm 1700-000445 $375
Rex R12S5 Outlaw 0.84 @ 34,750 rpm 26.88 oz-in @ 26,750 rpm 41,250 rpm RER12S5 $385
Rex ReR5 5-port turbo 0.84 @ 34,750 rpm 27.00 oz-in @ 26,750 rpm 41,250 rpm ReR5S3 $320
Rossi Cobra .21 1.32 @ 25,600 rpm 52.45 oz-in @ 25,200 rpm 41,200 rpm 190AR21 $350
SH PT2002XB .21 1.21 @ 22,100 rpm 55.68 oz-in @ 19,750 rpm 39,000 rpm 147009 $229
SH 0.28 1.22 @ 20,500 rpm 61.40 oz-in @ 14,750 rpm 38,450 rpm w/ kit $150
Sirio S12T3 EvoIII 0.79 @ 35,050 rpm 23.04 oz-in @ 22,000 rpm 40,750 rpm S12-TRP1 $200
Sirio P21 PR Pro 1.46 @ 27,750 RPM 53.76 oz-in @ 26,250 RPM 41,000 rpm S12-TRP1 $200
Sportwerks 0.26 1.30 @ 26,750 rpm 53.76 oz-in @ 19,000 rpm 42,750 rpm w/ kit n/a
STS D30M 1.6 @ 25,000rpm 67.99 oz-in @35,000rpm 35,000rpm $130
STS28 is the same peak HP is at a lower rpm band than the STS D30M
Super Tiger G-27CX 0.86 @ 17,250 rpm 50.70 oz-in @ 16,250 rpm 30,250 rpm w/ kit n/a
Tamiya FR-15S 0.48 @ 30,250 rpm 21.12 oz-in @ 13,000 rpm 36,500 rpm S21 PR Pro $350
Team Losi Mach 427 1.31 @ 26,750 rpm 53.80 oz-in @18,750 rpm 43,250 rpm w/ kit n/a
Thunder Tiger Pro .21 0.92 @ 21,750 rpm 57.60 oz-in @ 16,750 rpm 37,750 rpm w/ kit n/a
Thunder Tiger Pro 28 BXR 1.10 @ 19,500 rpm 57.60 oz-in @ 17,750 rpm 34,250 rpm w/ kit n/a
Top TS12S3 0.77 @ 31,000 rpm 26.88 oz-in @ 20,250 rpm 41,750 rpm TSR12S3 $299
Traxxas TRX 2.5 Rear Exhaust 0.69 @ 29,750 rpm 30.72 oz-in @ 18,750 rpm 38,500 rpm w/ kit $120
Traxxas TRX 3.3 Pullstart 1.06 @ 31,250 rpm 37.49 oz-in @ 19,500 rpm 37,750 rpm w/ kit $152
Trinity 427 Monster Horsepower 1.02 @ 24,250 rpm 48.00 oz-in @ 19,250 rpm 38,100 rpm w/ kit n/a
Trinity .30 Adam Drake 1.44 @ 21,750 rpm 55.68 oz-in @ 27,000 rpm 36,250 rpm TRI40006 $215
Trinity .21 Adam Drake 1.48 @ 25,400 rpm 57.72 oz-in @25,400 rpm 41,000 rpm TRI40012 $465
Trinity .21 Platinum Drake 1.58 @ 26,200 rpm 61.03 oz-in @25,800 rpm 40,600 rpm w/ kit
Werks Racing Collari B7 1.54 @ 26,000 rpm 59.52 oz-in @ 23,750 rpm 36,650 rpm WRXLC21B7 $250
Xray NT18 w/ kit n/a
XTM XTM 24.7 1.27 @ 23,000 rpm 61.44 oz-in @ 16,750 rpm 37,250 rpm w/ kit $140
Most of the "big" BB engines are built for bashers. To get decent power out of the engine, they can either machine it better and make it out of better material to handle higher RPM's, or put a big fat piston in it to give it a lot of torque to carry higher gearing.
To prove that point, I came accross a recent XRC Mag article that noted it's highest 21 HP dyno pull to date with an LRP21 at 1.86hp and winding out to 43K RPM's with a peak of 81oz torque.
Considering the LRP28 S3 truggy (no pull start) was on the same dyno cranking out 1.87hp with 71oz of peak torque with a maxx RPM around 43K... kind of makes you wonder where LRP found that extra power/torque in the smaller engine.
Apparently the power is found in your wallet. Since the 21 will sell for $379 whereas the 28 sells for $175.
You can peruse this list and make your own judgment. It's XRC's list that they have done, but it's a bit dated, from 2006 I believe. The LRP21 isn't on it.
Quote:
Originally Posted by XRC Xtreme RC RC411.com
Company Engine HP TQ Peak RPM Part # Price
Associated MGT 4.6cc 1.10 @ 19,500 rpm 57.60 oz-in @ 17,750 rpm 34,250 rpm w/ kit n/a
Associated AE.15 .44 @ 22,100 rpm 21.87 oz-in @ 20,100 rpm 33,100 w/kit
Axial Racing .28 Spec I S 1.43 @ 22,800 rpm 75.61 oz-in @ 18,000 rpm 35,000 rpm AX001 $160
Axial Racing .32 same as the Racers Edge Sure Fire .32 with in a 10th in the Sure Fires favor
CEN NX-26 1.02 @ 23,200 rpm 53.00 oz-in. @ 18,000 rpm 33,200 rpm w/ kit n/a
CEN X-76 .46 1.58 @ 21,250 rpm 74.88 oz-in @ 16,500 rpm 36,000 rpm w/ kit $299
CEN OPS .21 speedster 1.27 @ 27,000 rpm 57.53 oz-in @ 19,200 39,800 rpm w/kit n/a
GS GS-R25MT 1.20 @ 24,000 rpm 55.68 oz-in @ 17,000 rpm 35,500 rpm w/ kit $230
HPI 18 SS 0.63 @ 29,500 rpm 24.96 oz-in @ 22,250 rpm 32,500 rpm w/ kit $170
HPI Nitro Star F4.1 0.94 @ 20,250 rpm 48.60 oz-in @ 18,000 rpm 33,500 rpm w/ kit n/a
HPI K4.6HO 1.28 @ 19,500 rpm 64.76 oz-in @ 19,500 rpm 32,000 rpm w/ kit n/a
HPI Nitro Star K4.6 1.32 @ 22,250 rpm 59.52 oz-in @ 19,750 rpm 35,000 rpm w/ kit $200
HPI Nitro Star GS 3.0 .56 @ 25,700 rpm 21.83 oz-in @ 25,500 rpm 36,300 rpm w/ kit
Kyosho GSR-26 0.94 @ 31,500 rpm 46.08 oz-in @ 14,300 rpm 34,250 rpm w/ kit n/a
Kyosho GSR-28 1.16 @ 21,800 rpm 56.32 oz-in @ 19,600 rpm 32,800 rpm w/kit n/a
LRP Z .12R Team Spec.2 1.11 @ 34,500 rpm 32.46 oz-in @ 34,250 rpm 41,250 rpm LRP31201 $240
LRP Z .28R Spec.3 Truggy 1.87 @ 27,200 rpm 70.77 oz-in @ 25,600 rpm 42,800 rpm
Mach .15 Rear Exhaust 0.65 @ 21,500 rpm 30.72 oz-in @ 11,000 rpm 29,500 rpm w/ kit $120
Max Power .12 S-3MF 0.91 @ 34,750 rpm 28.80 oz-in @ 30,250 rpm 43,000 rpm MX12MAXS2MF $349
Max Power MX21M5 1.35 @ 24,500 rpm 55.68 oz-in @ 21,000 rpm 38,250 rpm MX21M5 $350
Mugen X12 SE 0.88 @ 21,500 rpm 28.80 oz-in @ 30,000 rpm 42,500 rpm X12S3 $290
Novarossi N21B 1.33 @ 22,750 rpm 59.52 oz-in @ 20,750 rpm 35,750 rpm N21B $199
Novarossi N528XR Hott Mod 2.02 @ 26,250 rpm 80.64 oz-in @ 22,000 rpm 38,500 rpm N528XR $319
Novarossi P5 1.46 @ 25,250 rpm 59.52 oz-in @ 22,000 rpm 37,750 rpm A2C201 $300
Novarossi 12-3CT 1.03 @ 33,500 rpm 31.32 oz-in @ 32,800rpm 42,000 rpm $395
O.S. .12TZ(S) T3 0.80 @ 34,000 rpm 24.96 oz-in @ 21,750 rpm 38,500 rpm 11371 $230
O.S. 12 TR 0.65 @ 30,000 rpm 25.00 oz-in @ 23,250 rpm 39,350 rpm 11362 $130
O.S. 12 TR-T Outlaw 0.73 @ 31,500 rpm 25.96 oz-in @ 27,250 rpm 41,000 rpm 11365 $160
O.S. .18 TZ-T 1.18 @ 29,400 rpm 44.16 oz-in @ 21,750 rpm 42,050 rpm OSMG2114 $180
O.S. VZ-B V-Spec 1.47 @ 24,250 rpm 61.20 oz-in @ 22,500 rpm 41,500 rpm 13890 $320
O.S. 30VG 1.80 @ 26,500 rpm 74.88 oz-in @ 18,750 rpm 35,500 rpm 13960 $250
Ofna Hyper 21 8-Port 0.98 @ 20,750 rpm 49.92 oz-in @ 14,750 rpm 33,000 rpm w/ kit $150
Ofna Force .26 1.02 @ 24,000 rpm 48.00 oz-in @ 19,500 rpm 38,500 rpm w/ kit $140
Ofna/Picco P7-R Evo .21 1.47 @ 25,200 rpm 59.01 oz-in. @ 24,800 rpm 39,400 rpm 51218 $309
Ofna Force .32 1.23 @ 23,000 rpm 66.07 oz-in @ 17,400 rpm 33,200 rpm w/kit
Ofna Hyper MacStar 2.8 6 port 1.03 @ 23,400 rpm 44.82 oz-in @ 23,400 rpm 34,200 rpm w/ kit
Peak Diablo .12 Type-R 0.51 @ 25,550 rpm 21.10 oz-in @ 19,000 rpm 33,000 rpm PEK6006 $150
Peak Diablo .28 1.33 @ 27,500 rpm 48.00 oz-in @ 22,000 rpm 40,800 rpm PEK6081 $170
Racers Edge Sure Fire .32 1.65 @ 21,750 rpm 74.80 oz-in @ 21,000 rpm 34,500 rpm RCESF10000 $200
Radical 621P 1.27 @ 26,150 rpm 52.06 oz-in @ 19,400 rpm 39,400 rpm kit n/a
RB Concepts V12 Rody 3T 0.95 @ 34,250 rpm 28.80 oz-in @ 28,750 rpm 44,750 rpm 1700-000445 $375
Rex R12S5 Outlaw 0.84 @ 34,750 rpm 26.88 oz-in @ 26,750 rpm 41,250 rpm RER12S5 $385
Rex ReR5 5-port turbo 0.84 @ 34,750 rpm 27.00 oz-in @ 26,750 rpm 41,250 rpm ReR5S3 $320
Rossi Cobra .21 1.32 @ 25,600 rpm 52.45 oz-in @ 25,200 rpm 41,200 rpm 190AR21 $350
SH PT2002XB .21 1.21 @ 22,100 rpm 55.68 oz-in @ 19,750 rpm 39,000 rpm 147009 $229
SH 0.28 1.22 @ 20,500 rpm 61.40 oz-in @ 14,750 rpm 38,450 rpm w/ kit $150
Sirio S12T3 EvoIII 0.79 @ 35,050 rpm 23.04 oz-in @ 22,000 rpm 40,750 rpm S12-TRP1 $200
Sirio P21 PR Pro 1.46 @ 27,750 RPM 53.76 oz-in @ 26,250 RPM 41,000 rpm S12-TRP1 $200
Sportwerks 0.26 1.30 @ 26,750 rpm 53.76 oz-in @ 19,000 rpm 42,750 rpm w/ kit n/a
STS D30M 1.6 @ 25,000rpm 67.99 oz-in @35,000rpm 35,000rpm $130
STS28 is the same peak HP is at a lower rpm band than the STS D30M
Super Tiger G-27CX 0.86 @ 17,250 rpm 50.70 oz-in @ 16,250 rpm 30,250 rpm w/ kit n/a
Tamiya FR-15S 0.48 @ 30,250 rpm 21.12 oz-in @ 13,000 rpm 36,500 rpm S21 PR Pro $350
Team Losi Mach 427 1.31 @ 26,750 rpm 53.80 oz-in @18,750 rpm 43,250 rpm w/ kit n/a
Thunder Tiger Pro .21 0.92 @ 21,750 rpm 57.60 oz-in @ 16,750 rpm 37,750 rpm w/ kit n/a
Thunder Tiger Pro 28 BXR 1.10 @ 19,500 rpm 57.60 oz-in @ 17,750 rpm 34,250 rpm w/ kit n/a
Top TS12S3 0.77 @ 31,000 rpm 26.88 oz-in @ 20,250 rpm 41,750 rpm TSR12S3 $299
Traxxas TRX 2.5 Rear Exhaust 0.69 @ 29,750 rpm 30.72 oz-in @ 18,750 rpm 38,500 rpm w/ kit $120
Traxxas TRX 3.3 Pullstart 1.06 @ 31,250 rpm 37.49 oz-in @ 19,500 rpm 37,750 rpm w/ kit $152
Trinity 427 Monster Horsepower 1.02 @ 24,250 rpm 48.00 oz-in @ 19,250 rpm 38,100 rpm w/ kit n/a
Trinity .30 Adam Drake 1.44 @ 21,750 rpm 55.68 oz-in @ 27,000 rpm 36,250 rpm TRI40006 $215
Trinity .21 Adam Drake 1.48 @ 25,400 rpm 57.72 oz-in @25,400 rpm 41,000 rpm TRI40012 $465
Trinity .21 Platinum Drake 1.58 @ 26,200 rpm 61.03 oz-in @25,800 rpm 40,600 rpm w/ kit
Werks Racing Collari B7 1.54 @ 26,000 rpm 59.52 oz-in @ 23,750 rpm 36,650 rpm WRXLC21B7 $250
Xray NT18 w/ kit n/a
XTM XTM 24.7 1.27 @ 23,000 rpm 61.44 oz-in @ 16,750 rpm 37,250 rpm w/ kit $140
#8847
Very chim ...
#8848
Anyone participating for the upcoming DT race....??
#8850
It's a 2 day race.. Dunno can go or not..