PraetoR Posted May 15, 2021 Share Posted May 15, 2021 Raise her to where she just fits inside that shelving unit and you've pretty much got the perfect height! 2 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 15, 2021 Author Share Posted May 15, 2021 Yeah, I reckon you’re pretty much spot on - I’ve got a 5kg weight at work that I can use to roughly set the preload before I get the body too. 2 Quote Link to comment Share on other sites More sharing options...
Popular Post walkbythesea Posted May 15, 2021 Author Popular Post Share Posted May 15, 2021 Quite a lot done this lunch, adjustments to link lengths take bloody ages! Getting somewhere near the correct wheelbase though. Need to get the shocks built and on to set it properly. 4 Quote Link to comment Share on other sites More sharing options...
Stormbringer Posted May 15, 2021 Share Posted May 15, 2021 (edited) Progress mate and those wheels are looking good on it Edited May 15, 2021 by Stormbringer Quote Link to comment Share on other sites More sharing options...
PraetoR Posted May 15, 2021 Share Posted May 15, 2021 Will you need longer driveshafts? Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 15, 2021 Author Share Posted May 15, 2021 13 minutes ago, PraetoR said: Will you need longer driveshafts? The honest answer is I don’t know… Especially as I’m waiting for the missing driveshaft components from modelsport I can’t even really try what I have for size. Wheelbase is my main concern, driveshafts to fit can always be sourced later. Whether it’s an error I’ll find out later, but I also opted to add a bit of length to the front links as well as the back rather than stick it all in the rear - so by splitting the difference a bit I figure I may end up changing both driveshafts or neither… 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 15, 2021 Author Share Posted May 15, 2021 The chassis did have an adjustable wheelbase anyway, though my manual gave absolutely no hints as to what to adjust where to achieve the different sizes. I’ve added the bulk of extra in the rear with a front/rear split of maybe about 30/70 ish… 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 16, 2021 Author Share Posted May 16, 2021 Springs and things! Roughly adjusted wheelbase has landed at 333mm, so a pretty good effort by eye - just need to fine tune it down by 3mm 👍 3 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 16, 2021 Author Share Posted May 16, 2021 …but as expected the 5kg that the Tonka will add sits it firmly down on its bump stops - and so begins the challenge of appropriately springing it for the weight 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 16, 2021 Author Share Posted May 16, 2021 (edited) The question is, do I try and find harder springs for these shocks or double up straight away with a whole extra set of shocks all round ala Clodbuster? Edited May 16, 2021 by walkbythesea Quote Link to comment Share on other sites More sharing options...
Badcrumble Posted May 16, 2021 Share Posted May 16, 2021 How easy would it be to fit a second set of dampers? Can you see what others have done in the video you posted? I would think springs would be the first option before more cost and extra work. Would these fit or be able to be cut down? AX10 hard springs 1 Quote Link to comment Share on other sites More sharing options...
PraetoR Posted May 16, 2021 Share Posted May 16, 2021 Also, you can try some extremely hard, short springs, for the top of each shock, since these are dual rate. Hopefully, this will stop it hitting the bump stops and allow the sprung weight to float. 1 Quote Link to comment Share on other sites More sharing options...
Popular Post walkbythesea Posted May 16, 2021 Author Popular Post Share Posted May 16, 2021 Only on temporary driveshafts until my modelsport parcel arrives, but she lives! 7 Quote Link to comment Share on other sites More sharing options...
Badcrumble Posted May 16, 2021 Share Posted May 16, 2021 No guarantee they would fit but something like this following the suggestion by @PraetoR Short firm springs 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 17, 2021 Author Share Posted May 17, 2021 The missing driveshaft components have arrived so I’ll properly finish the chassis tomorrow 👍 Quote Link to comment Share on other sites More sharing options...
Stormbringer Posted May 17, 2021 Share Posted May 17, 2021 Tomorrow ???? what about the rest of today lol Quote Link to comment Share on other sites More sharing options...
Badcrumble Posted May 17, 2021 Share Posted May 17, 2021 My popcorn's going stale 🍿! 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 17, 2021 Author Share Posted May 17, 2021 On 16/05/2021 at 10:22, Badcrumble said: How easy would it be to fit a second set of dampers? Can you see what others have done in the video you posted? I would think springs would be the first option before more cost and extra work. Would these fit or be able to be cut down? AX10 hard springs I like the look of them, can anyone explain how spring rates are measured? 3 lbs/in doesn’t mean a lot to me - does that mean it takes 3 lbs to compress it an inch? Can I therefore assume that a spring per corner will hold up 12lbs and only sag an inch? Ergo a shade over 5.4kg - which is approximately what I’m expecting Krystals sprung weight to land at. 23 hours ago, Badcrumble said: No guarantee they would fit but something like this following the suggestion by @PraetoR Short firm springs so maybe by combining these in the top with the ax10 firm springs in the bottom I’ll end up somewhere near right? Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 17, 2021 Author Share Posted May 17, 2021 4 minutes ago, Stormbringer said: Tomorrow ???? what about the rest of today lol Krystal is at work and I am at home 1 1 Quote Link to comment Share on other sites More sharing options...
Stormbringer Posted May 17, 2021 Share Posted May 17, 2021 ahhh ok then let you off this time Quote Link to comment Share on other sites More sharing options...
Badcrumble Posted May 17, 2021 Share Posted May 17, 2021 10 minutes ago, walkbythesea said: I like the look of them, can anyone explain how spring rates are measured? 3 lbs/in doesn’t mean a lot to me - does that mean it takes 3 lbs to compress it an inch? Can I therefore assume that a spring per corner will hold up 12lbs and only sag an inch? Ergo a shade over 5.4kg - which is approximately what I’m expecting Krystals sprung weight to land at. so maybe by combining these in the top with the ax10 firm springs in the bottom I’ll end up somewhere near right? This thread shows how spring rates can be measured Tamiyaclub spring rates but isn't crawler related. There are threads that I can't currently link (or view) on rccrawler.com. What I can't tell is whether either of the springs I linked would fit your dampers 😟 as they are both Axial and your kit is HPI. 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 17, 2021 Author Share Posted May 17, 2021 (edited) 2 minutes ago, Badcrumble said: This thread shows how spring rates can be measured Tamiyaclub spring rates but isn't crawler related. There are threads that I can't currently link (or view) on rccrawler.com. What I can't tell is whether either of the springs I linked would fit your dampers 😟 as they are both Axial and your kit is HPI. So the RCbitz Ebay link you sent has these in stock…. short springs long springs so I’ve asked them for their advice and to clarify the spring sizes which I can then compare to the HPI springs Edited May 17, 2021 by walkbythesea 1 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 17, 2021 Author Share Posted May 17, 2021 (edited) The 2 bolts either side at the top above the side windows allow the body sides to spread in order to remove the interior, it’s a real blessing as the rest of the body is riveted everywhere! Interior comes out in one complete piece. Once the interior is removed it exposes the 12 rivets that hold the axle supports in place. I even found the original rubber steering wheel jammed under the interior. So with the rivets drilled out the complete axle units come out and leave the bottom of the truck completely flat and ready to receive the RC chassis 👍 Here’s to hoping it all fits! Edited May 17, 2021 by walkbythesea 3 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 18, 2021 Author Share Posted May 18, 2021 (edited) First trial fit of the body! Very pleased overall but it does ride a little higher than I’d like, however with the height of the motor the only way to lower it will be to cut out the floor… Aesthetically, if the bottom of the side planks were in line with the sliders that would be ideal. Front clearance as she stands offers amazing angle of attack though… Edited May 18, 2021 by walkbythesea 2 Quote Link to comment Share on other sites More sharing options...
walkbythesea Posted May 18, 2021 Author Share Posted May 18, 2021 (edited) She sure does sit down hard on her bump stops… …but I’m pretty convinced that there’s room in the arches to body drop her down to the sliders Edited May 18, 2021 by walkbythesea 3 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.