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Pinewood Derby Wheel/Axle Q&A


Q: What is the differences in the various pinewood derby wheels you offer?

A: Here is a comparison of the wheels we offer:

TypeQuantityWeight1Axles Included?MatchedPrep Required
Official BSA53.6Official BSA Stock2NoFull Prep
Premium
Official BSA 		43.6Official BSA Stock2Yes, molds 6, 7, 12, 13, 16Full Prep
Speed
Official BSA 		43.3Optional: BSA Speed2Yes, all moldsOptional: Polish inside edge, inside hub, and bore
Pro-Stock Speed
Official BSA		43.3Optional: BSA Speed2Yes, all moldsNone
Ultralight Speed
Official BSA		42.2Optional: BSA Speed2Yes, all moldsNone
Pro Ultra Lite Speed
Official BSA		41.0Optional: BSA Speed2NoNone
Ultralight H-Tread Speed
Official BSA		42.3No2Yes, all moldsOptional: Polish inside edge and bore
Awana42.2Official Awana StockNoFull Prep
Awana Speed41.0Optional: Official Awana SpeedNoOptional: Cone hub, polish bore.
RA Racer Speed41.5RA Racer StockN/AOptional: Cone hub, polish bore.
Royal Ranger/S&W Speed43.4Royal Ranger/S&W StockN/AOptional: Polish bore.
PineCar43.5PineCar Rod & Nail Axles3NoFull Prep
PineCar Speed41.5No3NoNone
Outlaw41.1Nickel Speed AxlesN/ANone
X-Lite Outlaw40.8Nickel Speed AxlesN/ANone
Needle Outlaw41.1Needle AxlesN/ANone
Super Stock41.5Nickel Speed AxlesN/ANone
Needle Super Stock41.5Needle AxlesN/ANone
1Typical weight per wheel in grams.
2Can use: BSA Speed Axles, Official BSA Speed Axles, Speed Axles, Nickel Speed Axles, or Super Speed Axles.
3Can use BSA Speed Axles, Speed Axles, Nickel Speed Axles, or Super Speed Axles.


Q: What is the difference between the Speed, Pro-Stock Speed, Ultralight Speed, and Pro Ultra Lite Speed for BSA?

A: Here is a comparison of the four wheel types:

TypeWeight (grams)Steps PerformedPrep Required
Speed
Official BSA		3.3Trued tread surfacePolish inside edge, inside hub, and bore
Pro-Stock Speed
Official BSA		3.3Trued bore, trued tread surface, squared outer hub, coned inside hubNone
Ultralight Speed
Official BSA		2.2Trued bore, trued tread surface, squared outer hub, coned inside hub, weight reduced to 2.2 gramsNone
Pro Ultra Lite Speed
Official BSA		1.0Trued bore, trued tread surface, squared outer hub, coned inside hub, weight reduced to 1.0 gramsNone

The following photos show the diffence in appearance of the wheels:

Figure 1
Comparison of Spoke Side of BSA Wheels


Figure 2
Comparison of Hub Side of BSA Wheels


Q: Where on your web site can I order these wheels?

A: Click on the links in the first column of the tables above.


Q: Where can I find information about the mold numbers for BSA wheels?

A: Right Here.


Mold Characteristics

The table below provides the characteristics of the various BSA wheels. The definitions of the columns are:

Important Note
Within each mold family, there are occasional bad wheels. This is mostly due to the manufacturer not allowing the molded wheels to cool sufficiently before mold removal. Always spin test each wheel, eliminating wheels with excess side-to-side wobble.

In the table below, the premium matched wheels are identified with a green background.

Mold #RoundLeft-RightBore SizeOther
1 Okay Okay Typical  
2 Excellent Okay Typical  
3 Ok Good Typical Raised ridge on inside hub - correct with Pro-Hub Tool
4 Excellent Okay Typical Raised ridge on inside hub - correct with Pro-Hub Tool
5 Okay Excellent Smaller  
6 Excellent Good Smaller  
7 Good Excellent Smaller Raised ridge on inside hub - correct with Pro-Hub Tool
8 Good Good Smaller  
9 Okay Okay Typical A few #9 wheels have a significant left-right deviation
10 Good Okay Typical  
11 Okay Excellent Typical Raised ridge on inside hub - correct with Pro-Hub Tool
12 Good Excellent Smaller Raised ridge on inside hub - correct with Pro-Hub Tool
13 Good Excellent Typical Raised ridge on inside hub - correct with Pro-Hub Tool
14 Good Good Typical Raised ridge on inside hub - correct with Pro-Hub Tool
15 Okay Good Typical  
16 Excellent Good Typical  
Measured August 2008. Ten wheels from each mold were randomly selected from 1,200 wheels. The wheels were examined and the results averaged.

Q: Can I pick a mold number?

A: Yes, to reserve and order a particular mold number for Speed Wheels, or Premium Matched Wheels please Click Here.


Q: What is the difference between the axles you offer?

A: Here is a comparison of the axles we offer:

Axles
TypeQuantityMaterialHeadDiameterBurrs?TipPrep Required
BSA Speed4Zinc-plated SteelBeveled0.086 ± 0.0005NoNail PointNone required, but polishing with 1500 grit and finer is recommended
Official BSA Speed4Zinc-plated SteelBeveled0.086 ± 0.003NoNail PointNone required, but polishing with 1350 grit and finer is recommended
Grooved Official BSA Speed4Zinc-plated SteelBeveled0.086 ± 0.003
Mulit-grooved		NoNail PointNone required, but polishing with 1350 grit and finer is recommended
Speed
for BSA, PineCar, Outlaw, etc.		5Zinc-plated SteelBeveled0.0870 ± 0.0005NoBluntNone required, but polishing with metal polish is recommended
Nickel Speed
for BSA, PineCar, Outlaw, etc.		5Nickel-plated SteelBeveled0.0870 ± 0.0005NoBluntNone required, but polishing with metal polish is recommended
Super Speed
for BSA, PineCar, etc.		4Nickel-plated SteelBeveled0.0910 ± 0.0005
Dual Groove		NoMachined PointNone required, but polishing with metal polish is recommended
Official Awana Speed4Zinc-plated SteelBeveled0.092 ± 0.0005
Single Groove		NoBluntNone required, but polishing with metal polish is recommended
Awana - Stock5Zinc-plated SteelSquare0.092 ± 0.0005NoBluntNone required, but polishing with metal polish is recommended
RA Racer - Stock4Zinc-plated SteelSquare0.094 ± 0.001YesNail PointFull Prep
Royal Ranger/S&W - Stock4Zinc-plated SteelSquareTapers from
0.100 to 0.108		YesScrew TipFull Prep
PineCar Nail - Stock5Zinc-plated SteelSquare0.088 ± 0.003YesNail PointFull Prep




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