Vintage Cafe/Roadacer- R5e

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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sat Mar 05, 2011 9:00 pm

I'm aiming at 225 lbs fully loaded... it is a Yamaha R5 (same frame as the RD350).

This epoxy thing has me totally spooked... I hadn't seen any reports of this kind of stuff. Thanks for the info.
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Re: Vintage Cafe/Roadacer- R5e

Postby Nuts&Volts » Sat Mar 05, 2011 9:45 pm

Very cool Ted! I think that tank will look awesome. You and Ed should so race these someday. Those old school frames are some lightweight. I'm jealous.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 06, 2011 7:16 am

Nuts&Volts wrote:You and Ed should so race these someday.


Hey, thanks man! Yeah, no, that wouldn't be a fair race. (Ed actually knows what he's doing... :lol:)

...off to start sanding the tank.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 06, 2011 9:03 am

OK, first round of rough shaping done, and the conclusion is, it's a keeper. I need to do some filling and maybe a little more rounding, but I'm loving the look... here's what I got:

Image

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Re: Vintage Cafe/Roadacer- R5e

Postby www.recumbents.com » Sun Mar 06, 2011 10:47 am

Just take reasonable precautions and you should be fine with the epoxy. I have been using it for many years and do not have a problem. Keep it off your skin with gloves and don't use it in a small unventilated area. If it's cold you do the layup in the garage and build a box out of insulation foam sheets that can be heated with a cheeseball low power electric forced air heater.

-Warren.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 06, 2011 2:04 pm

Some bondo and filler/primer, and we're at something that looks tank-like!
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I'm lovin' this view:

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Probably done for the weekend... I need to leave it alone to dry for a good time and give it a final blocking. Got some ideas in the works for the batteries- not quite ready to share, but stay tuned. :roll:

Image
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Re: Vintage Cafe/Roadacer- R5e

Postby Nuts&Volts » Sun Mar 06, 2011 4:22 pm

Tank looks sweet. Can't wait to hear about the battery choice!

You're tank here has got me thinkin about making my own tank for future builds. I like that it allows you to design it for whatever you fit inside and what you wanna fit on the outside
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Re: Vintage Cafe/Roadacer- R5e

Postby scouser-nick:) » Sun Mar 06, 2011 4:59 pm

Nice looks really cool love the air vents
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Re: Vintage Cafe/Roadacer- R5e

Postby SplinterOz » Sun Mar 06, 2011 5:06 pm

Ted, Looking really good!!!

You have a nice eye for what makes a good looking bike.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Mon Mar 07, 2011 6:39 am

Thanks! ...but now I've seen a vision. ...and want to start a new tank:

Image
('72 T3)

...it's a sickness, I tell ya, a sickness. :shock:
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Re: Vintage Cafe/Roadacer- R5e

Postby northernmike » Wed Mar 09, 2011 6:34 am

Ted, haven't you finished your second tank yet? :mrgreen:

When will it be battery time?
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Wed Mar 09, 2011 7:02 am

HA! Well, funny you should ask... here's my "fun with saws" entry for this morning:

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...another plus for working with plywood - er - cellulose composite. :roll:
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Wed Mar 09, 2011 1:29 pm

bored at work:

Image
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sat Mar 12, 2011 8:43 am

Backtracking a little with some how-to, this is a shot of glassing my recut. To keep the glass saturated and excess resin from pooling I weighted what I could with flat scraps of ply, and some bricks and my granpappy's machinist jack. It's not vacuum bagging, but it's better than just laying it and hoping for the best. I put down some wax paper so it releases.

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My teenage son's comment: "wait you're making the tank out of bricks now? old school.."

:lol:
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 13, 2011 1:02 pm

Final tank:

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Image

I'll hold off on the final paint until all the body work is done... still have some holes to cut in the tank, too. :shock:
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Re: Vintage Cafe/Roadacer- R5e

Postby northernmike » Sun Mar 13, 2011 1:51 pm

Ted, we need a shot of the whole bike to get a sense of the proportions!

But it looks GREAT, man.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 13, 2011 4:23 pm

oh, maaaan. You mean I have to clean up my shop? :roll:

Here you go:

Image

The next phase is the real seat and tail. Still tossing battery ideas around.
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Re: Vintage Cafe/Roadacer- R5e

Postby quarkdude » Tue Mar 15, 2011 8:35 am

Hello teddillard,
I just joined the forum yesterday and started looking around at what people are doing here and I stumbled across your R5 electric build. That is sooo coool! I own and ride a 1973 RD350 cafe racer. It is nearly complete, just a few more things to go but have ridden it around the neigborhood to know that Yamaha RD's mean serious buisness. I have another RD350 that I stripped down to the frame that I have been podering on making an electric out of - that is why I was just amazed that someone else had the same idea. I like what you have done with the bike already. If I get to the point of "electrifying" my RD, yours would definitely be the model for it. I love the cafe racer look and I agree that we will be seeing more cafe racers on the street as the price of gas goes up. Here is a pic of my bike as it is now. Still need to get the last few things ironed out and get it painted, but it is functional.

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I'll get a close eye on your progress, it is just exciting to see your bike coming together. A big two thumbs up on your project.
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Tue Mar 15, 2011 8:46 am

woah, that's AWESOME! Thanks for the kind words, anything I can do to help, let me know!

FYI, you may be interested in the train of thought that got me to this point- it started with the Hammarhead Volta
http://evmc2.wordpress.com/2010/08/10/hammarhead-volta-and-bigass-zev-hub-motors/

Not an all-out race bike, but here's what got me going, back in the '80s... my old '75 after a rebuild, boring, porting, like that:

Image
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Re: Vintage Cafe/Roadacer- R5e

Postby quarkdude » Tue Mar 15, 2011 12:21 pm

Hello again, teddillard

Looks like the 1973 thru 1985'ish RD and RZ 350 frames would be a good platform to build into electric motorcycles. A natural with the old school frame shape that was ahead of it's time both back then and now for quick to build electric motorcycle frames. This might bring back the popularity (although it is already growing with cafe racer builds) for the Yamaha RD. Your ease of mounting the electric motor with a minimal motor adapter to the stock mounts is pretty cool. That was the inspiration I was thinking of for my RD Frame. To convert is over without cutting the original frame. With the newer cyclindrical LiFePO4 cells, it should be easy to put enough of them in the remaining combusion engine area to get enough amp hours and voltage to get a 40 mile range I would suspect.

Thanks, quarkdude - Albuquerque, NM
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Sun Mar 20, 2011 3:06 pm

Had to work yesterday, and the weasels kept me pretty busy this week, but I've been stewing about the seat the whole time. Got this roughed out today:

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quarkdude, I think the only thing that these frames kind of limit you on is the volume and weight of batteries you can run. That's why I'm going with the lipo idea, to get the most back for the (weight and volume) buck. My priority isn't range, though, it's power-to-weight. If I can do more than 20 miles I'll be happy...
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Re: Vintage Cafe/Roadacer- R5e

Postby quarkdude » Mon Mar 21, 2011 8:28 am

I like the rough seat design. Your fabricating skills are awesome. This weekend I went and test rode a ZERO electric motorcycle to see what they are like. Not a bad bike but the motor control is programmed to give a "roll on" start. Not full power start, maybe like 10-15% up to about 8-10mph then the power to the motor kicks in gradually but quick. I was at a stop light getting ready for a left turn and the guy in the car next to me kept looking at the bike. I bet it was weird to hear no sound of a running engine. Can't wait to build my other RD350 into an electric now. ha ha... :D
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Mon Mar 21, 2011 8:40 am

Thanks! Yeah, not a big fan of the "roll-on" start. I'm considering a "clutch" lever that is a simple on/off to the throttle, so you can peg the throttle wide open and dump the "clutch". Electric Nitrous. :)
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Re: Vintage Cafe/Roadacer- R5e

Postby gogo » Mon Mar 21, 2011 10:28 am

teddillard wrote:woah, that's AWESOME! Thanks for the kind words, anything I can do to help, let me know!

FYI, you may be interested in the train of thought that got me to this point- it started with the Hammarhead Volta
http://evmc2.wordpress.com/2010/08/10/hammarhead-volta-and-bigass-zev-hub-motors/

Not an all-out race bike, but here's what got me going, back in the '80s... my old '75 after a rebuild, boring, porting, like that:

Image


Is that the cafe racer seat from JC Whitney?
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Re: Vintage Cafe/Roadacer- R5e

Postby teddillard » Mon Mar 21, 2011 11:02 am

No, I can't remember the maker of that seat, but it was awesome... for some reason the name Guilerri "Spa" sticks in my mind, but there's nothing showing up on the Googs.
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