International Waters Community

International Waters Gallery


hydraulic dynamometer details


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35 files, last one added on Nov 09, 2005
Album viewed 571 times

torque cradle dynamometer details


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28 files, last one added on Mar 15, 2006
Album viewed 312 times

bell valve type induction


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10 files, last one added on Jul 16, 2005
Album viewed 266 times

fuel metering carburetor


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12 files, last one added on Jul 17, 2005
Album viewed 263 times

30,000 rpm machined steel tuned pipe


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8 files, last one added on Jul 17, 2005
Album viewed 196 times

propeller details


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13 files, last one added on Jul 25, 2005
Album viewed 940 times

chrome tank details


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9 files, last one added on Jul 22, 2005
Album viewed 234 times

liner machining & grinding fixture


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4 files, last one added on Jul 22, 2005
Album viewed 166 times

exhaust radii cutting fixture


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3 files, last one added on Jul 22, 2005
Album viewed 163 times

how to make a reliable 32,000 rpm+ .90 roller rod


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23 files, last one added on Jul 28, 2005
Album viewed 391 times

Non-reversed geared twins


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8 files, last one added on Sep 07, 2005
Album viewed 168 times

A .90 or 1.0 cu. in., completly custom built, completly reliable, 7+ HP motor


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46 files, last one added on Nov 21, 2005
Album viewed 522 times

26 albums on 3 page(s) 1

Random files - Jim Allen's Gallery
torque cradle 018.jpg
Dedicated table for torque cradle712 viewsIn the bottom of the picture, mounted on the table, there is a flow gage & a water control valve that are used to control engine temperature. Also notice the two black, round delrin pieces, mounted to the table top. They hold the dyno feet & prevent movement of the dyno during dyno pulls.Jim Allen
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490 viewsThis fixture is used to square the side flange & cut the "V" in the fuel metering device.Jim Allen
.15 bell valve 009.jpg
624 viewsJim Allen
P7160022.JPG
463 viewsThis fixture is used to machine the throttle stop plate. The carburetor connot be opened or closed beyond the full positions because of this assembly & a stop pin located in the rotating barrel.Jim Allen
Deep-Groove Ball Bearing 055.jpg
Eagle SG 80 carbon fiber cowl281 viewsThis molded carbon fiber cowl weigh's 2 ounces & is made of 6 layers of 3 ounce graphite cloth.Jim Allen
Engine building 027.jpg
Kalfus rudder mechanism473 viewsThis unique mechanism allowed a straight line movement of the .1875 hard steel rod on the right hand side to move the rudder. This rod was guided by the horizontal piece (on the right) seen in the picture & a bushing mounted in the transom. As the rod is moved for & aft, the crossover clamping piece moves the rudder through the two pivots seen on the left. Notice that the rod is always pulling to activate right rudder. All parts, including the pivot screws, are made of full hard O-1 tool steel. Jim Allen
Deep-Groove Ball Bearing 002.jpg
359 viewsA 6002; ABEC A3; T9H; S radial clearance (.0014 to .0018) bearing is mounted for testing. 6002 is the size (.5906X1.2598X.3543); ABEC stands for the Annular Bearing Engineers Committee; A3 is the tolerance class; T9H stands for a solid plastic (polyamide) retainer that is ball guided; & S stands for a special radial clearance. There is the AFBMA (Anti-Friction Bearing Manufactures Association) & the DIN (German Institute for Standardization). Jim Allen
machine tools 009.jpg
Themac tool post grinder748 viewsThe Themac tool post grinder has been modified with a special mount & can now be used to grind ID's on the Super tech OD-ID grinder. There is also a special mount for face grinding in the lathe. Notice that the spindle of the Themac grinder can be rotated completly around the housing, allowing it to be positioned on the center line of the chuck or holding device. A custom made wheel dresser is also shown in the photograph. The Themac spindle uses ABEC-7 bearings; runs 4200 to 42,000 rpm; & can easily hold .000050 tolerances on parts. The grinder has a 1/2 hp motor which runs at 10,000 rpm. This versatile grinder uses wheels from 1/8 to 5 in., in dia & as wide as 3/4 in. Many of the wheels, arbors & split collets used are custom made.Jim Allen
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408 viewsA lathe tool bit is used to machine ball ends. A Holdridge Radii-Cutter Tool Model 3S can also be used. This expensive tool, which uses carbide cutters; can cut covex & concave radii from 0 to3 in's, with an excellent finish. This tool needs at least a 10 in swing lathe to be adapted easily.Jim Allen
torque cradle 015.jpg
Shroud air restrictors482 viewsThese are samples of some of the restricting rings used to control the amount of incomming air & therefore vary the load. Jim Allen

Last additions - Jim Allen's Gallery
cable_collet_clamps_058.jpg
633 viewsCompleted pieces are all interchangeable & after mounting to the flywheel are within +-.0002 concentricity 1.000 in from the split collets face. The same type of a flanged piece with six mounting holes is made when I set up ball and pin universals for solid shaft applications. When using the solid shaft method the thrust is driven up the entire shaft into the engine by using hardened thrust washers between the ball ends & there sloted ends. Jim AllenSep 27, 2007
cable_collet_clamps_057.jpg
540 viewsThese spring steel washers will prevent any galling of the clamping nut, even when it is tightened with great force.Jim AllenSep 27, 2007
cable_collet_clamps_056.jpg
560 viewsMachine an arbor; fasten pieces securely; machine the OD with carbide. Finished washers have no burs on the OD or ID & are very precise.Jim AllenSep 27, 2007
cable_collet_clamps_055.jpg
359 viewsJim AllenSep 27, 2007
cable_collet_clamps_054.jpg
464 viewsAfter clamping .010 thick spring steel pieces between two aluminum pieces, they are machined square to a convienent size. Boring with carbide gives a clean hole without burs. Jim AllenSep 27, 2007
cable_collet_clamps_053.jpg
475 viewsThis photo shows the locking nut being singled pointed internally. This piece does not have to be hardened because it will ride against the spring steel washer when tightening the split collet. It is made of #316 stainless steel.Jim AllenSep 27, 2007
cable_collet_clamps_052.jpg
439 viewsThe collet holding fixture is made of #316 stainless steel & is not hardened. Jim AllenSep 27, 2007
cable_collet_clamps_051.jpg
419 viewsThe split collets are ground internally while being held in the fixture directly above them. External grinding was proved to be un-necessary.Jim AllenSep 27, 2007
cable_collet_clamps_050.jpg
524 viewsThis photo shows the back ends of the split collets being ground square to their ID's. This is done in a Suburban Tool Master-Grind. (+-.00005 spindle runout) The split collets are wrung onto a hardened indicated gage pin for this operation.Jim AllenSep 27, 2007
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779 viewsTwo 6-32 SHCS, a precisely machined steel hub on the flywheel face (.5002 OD) & a flange on the tapered sleeve which has a 1.125 in OD (.5000 ID), ensures positive location of the tapered sleeve each time it is mounted. The hub is #316 stainless steel & is shrunk into the flywheel before final machining. Notice the six bolt hole pattern used on the tapered sleeve's flange. This feature allows automatic positioning of the propeller to a horizontal position if the engine should stop suddenly at wide open throttle & prevents the hull from diving! It is used on solid drive shaft setups.Jim AllenSep 27, 2007