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Posted by dragbikebam | Dec 14, 2015 @ 09:05 PM | 2,069 Views
I will keep adding pics to this post daily as I go threw each one for winter storage. 18 of my 25 bikes are nitro 501s. Most are finished but some are still under construction. The bikes with batteries are runners. I still have a lot of bikes to post so keep checking....Continue Reading
Posted by dragbikebam | Jan 12, 2015 @ 02:37 AM | 2,318 Views
Well I took the plunge and invested in a professional camera drone rig. Its the Matrix-s with a 3 axis gimbal/w tilt on an isolation plate and a Rage Cams go pro 4 black including a flat lens. I have had an intense experience getting it all set up. Precision builds and mods of the nitro bikes over the years has given me a good eye for development. Im taking it to a much higher level of build because I have to. Anyways the thing is technical and requires a lot of research of the systems including practice. Video coming soon.

Aerial Footage From 2015 (1 min 4 sec)

Posted by dragbikebam | Oct 29, 2014 @ 11:59 AM | 3,255 Views
Budget minded nitro for you guys. Only upgrades are frame spacers, engine mounts, 13t clutch bell, TTN head stock, later std. dual swing arm and front brake pads/rotor no rear brake yet but it really doesnt need it with stock gearing. Should make for a nice tight runner. Im also going to use budget servos a JR st126 high torque($40) for brake and throttle duty a feetech FT5478M ($25) low profile light weight for steering.

Will be updating post as nears completion.
ok I got the bike all broke in and everything is great, the stock gearing is not bad at all and will still haul ass. The stock pipe is not near as restrictive as I thought and the engine will reach full rpm without issue. I love this bike its very easy to drive fast without fear of crashing, lots of stability.
Posted by dragbikebam | Oct 27, 2014 @ 02:17 AM | 4,622 Views
Ok I want to start off by saying I have been running these HPI engines for a couple of years in 4 different bikes and I love them. The HPI .18 is an excellent alternative to an expensive engine . There are many options for what kind of power and starting system your looking for. The engines are very affordable, easy to find and very cheap to rebuild so run the heck out of it. Another advantage is that the low end needle is located just where it is on the Picco so low end tuning is easy also it is a three shim head so you can tune for even more power when broke in. Now the main thing I want to explain is that these engines only turn around 30-32k RPM compared to the Picco's 37-40k but the horsepower is 2.2 compared to Picco's 1.2 so in order to get the advantages of all that HP you need to gear your bike much taller than stock. A 13t clutch bell and a 10/26 micro drive will give you good results and it will not bog the engine at all. The Torque Works swingarm allows me to run a 10/25 micro drive on it but a 10/25 on a standard NF swingarm is not advisable because you will have to shorten the chain and that puts the center of the tire to close to the inner swingarm causing it to rub at high speeds so the 10/26 is optimal for NF bikes and puts the wheel right were it needs to be. The 28 and 27 sprockets will work also. A cheaper way to gear up is to use an aftermarket 14 or 15t clutch bell and keep stock sprocket gearing, I will be testing some larger clutch bells with...Continue Reading
Posted by dragbikebam | Apr 14, 2014 @ 02:14 PM | 6,505 Views
I been taking my time with this one. I have received everything I need to wrap it up..I hope. The bike is very easy to work on.
Posted by dragbikebam | Mar 01, 2014 @ 07:01 PM | 4,910 Views
Battery installation went really well. This battery is a 700mah LiFe 6.6v it only weighs 40 grams or 1.7 oz. its 2.64 oz lighter than a regular 6v 5 cell and the total weight of the bike RTR w/o fuel is 1866 grams(65.25oz), only 15 grams heavier than my RG EVO 3 nitro @ 1851g(65oz) also with a LiFe and 4 grams heavier than the 701 with a LiFe @ 1862. To me this is amazing, an old TTN with a .18 that's practically the same weight as an RG and 701. Im getting some of these batteries for all my nitro bikes. I really was not trying to make this a light weight bike, it just happened that way from the parts I used, I could make it even lighter if I wanted to but this is good enough, its going to be hard to keep the front end down as it is. Only thing left to do is test run and finish breaking in the engine.

Update: After getting a few runs with the bike I am starting to realize that this .18 with the RD free flowing pipe is not giving me much run time because of the small TTN fuel tank. I think the bike would be better with the stock exhaust giving me more torque with these gears and longer run times. Its very fast on the top end but its not very practical power for racing IMO....Continue Reading
Posted by dragbikebam | Feb 24, 2014 @ 09:45 PM | 5,514 Views
Engine is good now so I been doing a little work on the TTN this weekend. Im now waiting on the li-fe battery and should be ready for some test runs soon.
Posted by dragbikebam | Dec 07, 2013 @ 08:57 PM | 2,201 Views
Im going for all out top speed so Im going with the RD pipe. The top speed should be in the 50+ range with the 25t rear sprocket, that's about how fast my 509 is with the same set up.
Posted by dragbikebam | Jul 24, 2013 @ 10:17 PM | 7,307 Views
This is something I been doing to all my bikes that have short forks like the 501 and 506 or if your using aftermarket forks like Alleven or KP. If you have the new orange NF forks this mod is not necessary because they are already much longer than other fork brands. This mod raises the front end, you can decide how much when drilling your hole. This allows you to shorten your crash bars considerably and has better handling all around if done right. You may want to raise your rear end too so the balance is right but not necessary all the time. For me this is the #1 easiest thing to help your old 68mm turn faster. All the cuts and holes are up to you, if your rake is to much after the mod then you need to take more off the adjuster block. The higher you drill your hole the more you will need to trim off the adjuster block.
Posted by dragbikebam | Jun 22, 2013 @ 02:32 AM | 5,257 Views
MORE POWER!!! I don't really need more power but I could not resist after finding that the HPI .18 for the Hot Bodys 1/10 trucks has the SG shaft the side exhaust the slide carb and is roto/pull start capable. A perfect match I thought, and it almost is. There are just a few issues but easy fixes. The .18 is slightly wider so I had to dremel and file the left side bar of the frame just a few mm's to fit the engine flush.The motor was only $85, its suppose to have 2.2hp at 33000rpm where my Picco has 1.2hp at 37000rpm so a tall gear ratio is in order to take advantage of this new power. I haven't decided on a roto or.pull starter yet.The engine did not include either but did include an external one way bearing nut. It looks huge in there and I didn't have to trim or file anything on the engine or fuel tank but you do need to mount the engine tilted up. Perfect fit with no binding. Still have alot of work to do but the hard part is done and it was fairly easy. Im using a TTN lay shaft because it has the outer flat spot and it works fine with a little shimming plus I already had it....Continue Reading
Posted by dragbikebam | May 21, 2013 @ 09:53 PM | 5,864 Views
The Hobao Hyper .12 is an awesome little engine, been running this one for 3 years, its still powerful and reliable. Not racing it but just bashing a tank of fuel once or twice a month. Fits the NF bikes perfect after you trim for the pull start. Its an impressive engine for the cost, more powerful than the Sirio and Novarossi but not quite close to a Picco unless you mod the exhaust with a larger outlet hole and then it is a whole other animal. The cooling fins were broke off from a horrific full throttle lock up crash right into a curb at about 45mph and the front wheel smashed into the engine.....the engine was the only thing that survived so these fins are not trimmed to fit...That was the last time I ever used plastic servo horns for the throttle control. The front brake clevis broke from the arm and trapped itself between the throttle arm and frame spacer, I also mount all my throttle servos with the shaft towards the rear to keep that from ever happening again
Posted by dragbikebam | May 30, 2009 @ 12:43 AM | 4,585 Views
more build pics..we are into moto gp and road racing but there are no tracks for that near us and getting to old...but drag strips are everywhere...what do you do????DRAGBIKEBAM!!!!!!