Robert Wood's Projectile 2.0 HPV Streamliner recumbent bicycle
Projectile 2.0 Streamliner project

Rob Wood's low racer/streamliner project

Winter 1999
Robert Wood is building a new streamliner for the Y2K racing season. In his last racer he was able to average around 40MPH for an hour race. Now he is raising the bar. He wants to go faster! The picture to the right shows the 4130 steel framed fully suspended low racer, in it's nearly completed state.
ProjectileV2.0.jpg (6088 bytes)
ProjectileV2.0_3.jpg (7032 bytes) This picture shows the Garrie Hill carbon fiber seat, and the large intermediary gearing needed to step up the gearing when used with the 20" rear wheel on this bike.
This shot shows the tortuous route that the chain follows to allow clearance for the Answer Pro-Forx suspension fork and 16" front wheel. Rob used a design similar to this on his previous design, and it certainly didn't seem to slow him down. Most of the resistance at 40MPH and up is wind resistance... ProjectileV2.0_2.jpg (8970 bytes)
RearSuspension.jpg (8939 bytes) Here's a closeup of the innovative rear suspension. Rob says that the elastomer was an automotive freeze-out plug. Also note the Sturmey-Archer drum brake, which will eventually be moved to the front wheel. Rob will be using a Nexave roller brake on the rear wheel. There's nothing worse than the smell of burning rubber that is generated by rim brakes during heavy braking  inside an enclosed streamliner. At times the entire fairing can be filled with smoke...
Closeup shot of the Intermediate gearing, and the back of the landing gear.  IntermediateGear.jpg (8083 bytes)
LandingGear.jpg (8635 bytes) The landing gear. A much overlooked item, that is indispensable for any streamlined racer who can't depend on a crew to launch and catch him. It's also the best way to comply with the hpra self launch rule for the Supermodified class.
Rob put this project aside for a while to work on his leaning delta trike, which he brought to a logical conclusion in the spring of 2001. During that time he was racing the Norus streamliner, purchased from Giles Poirier of Montreal. He discovered that while the Norus streamliner was very fast, it's lack of suspension really slowed him down on the bumpy courses we race on. Because of this, he decided to begin development on the Projectile streamliner again. 

Fall 2001

For the Ohio races, Rob built a new Coroplast body for the Projectile 2.0 chassis. The Projectile's full suspension came in handy as the Kil-Kare track was extremely rough.
Rob says:
"I made one major improvement to my new bike so far. I made a new intermediate drive that is much better than what I had. I moved it up on to the forward boom. It consists of a bottom bracket brazed to 2 1.750" muffler clamps. I took one of my old crank sets, cut off the arm and bolted 4 sprockets to it. The first one is the gear up sprocket. The other 3 are for the rear gearing. The sprockets are as follows: 
  • Front crank to intermediate 46-to-30. 
  • Intermediate to rear gearing 42-52-60. 

The good thing about this setup is that to change the ratio all I have to do is change the front crank ring." 

"The whole assembly is mounted with muffler clamps so I can adjust the front chain tension by moving it forward or backward. I rode it this morning and everything works great."


Rob is working on a new fairing for this bike, which should be completed in time for the February HPRA races.
Rob says:
"I also wanted to let you know that the body I am currently working on for the projectile 2 project won't be composite. It is a different type of plastic (Sintra) that Garrie Hill and I are going to try to blow in a mold. This stuff works like a dream and I think we will be able to do it. Garrie sent a scale model over that he made and it came out really good.

I am still planning on making a composite body, all depends on how fast this new Sintra body is." 

The wood shown at the top of the molded part was clamped over the mold to guide the shape of the free form bubble. 

See the Garrie Hill blown fairing project for more info about creating the Sintra shell


Picture by Chris Broome
11/5/02 - Post Mortem
Rob Wood mounted his "Projectile 2" lowracer in Garrie's blown Sintra fairing, made beautiful bomb-bay doors for his feet, added a canopy, and faired in the rear wheel. He raced it in the 2002 WHPSC in Brantford, Ontario and did well, but crashed in the tight and winding course at the auto race track. The Sintra body shattered on impact, broke out around both shoulders and had major cracks throughout the fairing. While Rob survived unscathed, the fairing was totaled, and Rob retired it. 
In the picture above, Rob gets the Sintra bubbled bike tech inspected at the speedway in Brantford.

To  the Right Rob races the bike, some time before the crash. 

Apparently Sintra is not a good material for fairings.

Rob has not given up though, he is now working on his Formed ABS plastic fairing project. This new fairing will be made of ABS plastic which has a reputation for being much more durable


Picture by Chris Broome
   

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